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  1. #101
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    Duo vs. Gloworm

    Quote Originally Posted by SB Trails View Post
    Man-- im stuck between the duo and the gloworm...
    Same here. If anyone ends up with both the Duo and the Gloworm I'd love to know how they compare. I'm looking for something for the bars as I already have a Jetlite on my helmet...

    :Kim

  2. #102
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    So I dank the Gemi koolaid and bought a Duo. By the way, props to Action-Led. Shipping was lightning fast. Anyway, I now have all three lights..xera, olympia and duo. Went for a two hour ride last night with this as a helmet light the Olympia on the bar. In general I like the light though, I wish it was more of a spot. Though much brighter than my xera, I didn't feel as it threw quite as far and that's with the spot lens in my xera. The difference, if any was't huge and in reality, for the trails here in N. TX, I'm probably better off with a wider beam. Not many long downhills where I'd need a lot of throw. Rode for two hours on hi and the battery level was still on green with the hard case battery.

    Seems very well built as are the other Gemini's I've purchased. Will have to wait till next summer to see how it handles our hot nights. In all, a nice light though I'm still left wanting a tad more. I wish Gemini would make a slightly larger version of the Olympia with 4 leds running around 2400 lumens for my bar and produce a spot lens for the current olympia so I could run it on my helmet. The olympia is just barely heavier than the duo and I didn't even know the duo was there. That would make for a lot of light ....Gemini...are you listening?
    Last edited by rixsurfer; 10-16-2012 at 12:51 PM.

  3. #103
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    Just ran a first 2 cell run down test on the Duo.

    Fully charged battery the light went out at 1:16.

    Action LED has it listed to run for 1:30 on high. I never noticed it change to Amber color and at approx 1:15 I noticed the button was red and then it went out out 1:16

    I have a second 2 cell battery I will try tomorrow to compare results.
    2013 Banshee Spitfire V2 650b

  4. #104
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    Man, great price for the Duo!

    How long is the sale on for?

  5. #105
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    Quote Originally Posted by pucked up View Post
    How long is the sale on for?
    I asked Jim @ Action the same question....he told me he was planning to leave it there for a while.
    No blogs here, nothing special.....I just like to ride my bike.

  6. #106
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    Got to give it a good test to tonight. Fire roads & socal chaparral singletrack
    Well I know the thermal protection works had dim me down once on a climb that 808E wouldn't. but that's to be expected twice the lumen s twice the heat, I'm just gong to have to learn this lights limits. all in all its a really bright light pushes past the Olympias throw limits well and gives you a lot of useable distance.
    This is not a super thrower it seems to get about the same distance as a 808e but in a more smoothed spread out pattern. I think with spot lenses and a hotspot this thing would be insane
    I always type in bold cuz I'm blind as a bat
    For the Rich there is therapy!!!! for the rest of us we have Mountain Biking


  7. #107
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    [QUOTE=skidad;9786994]Just ran a first 2 cell run down test on the Duo.

    Fully charged battery the light went out at 1:16.

    Action LED has it listed to run for 1:30 on high. I never noticed it change to Amber color and at approx 1:15 I noticed the button was red and then it went out out 1:16QUOTE]

    I was going to do a rundown on the geoman battery but since Rakuman did that for us I did one with the 4 cell 5.2ah Gemini battery instead - 2:59 (close enough). I was watching as it aproached 3 hrs. and my lighthead did the same thing as yours, yellow to red and then totally off within 2 minutes. This is not the way any of my other Gemini lights behave on a low battery and not how the manuel describes the way the light should function. I'm going to ride tomorrow night but I think Thursday I'll try another battery. If you try your other 2 cell let me know how it works.
    Mole

  8. #108
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    I got a PM from Chris @ Gemini saying my run times should be better on the 2 cell and my battery was possibly not fully charged. He said leave it on the charger for at least an hour after the light goes to green as it will trickle charge to 100% capacity that way. Didn't know that but will give it a try.

    That being said I tested my second (and primarily used) battery and got allot closer to the 1:30 high run time on the Action LED site for the 2 cell. This was before I got the PM from Chris so I will try a 3rd time to see if that improves it even more.

    2nd test on high with 2 cell and my primary battery

    1:06 to amber
    1:19 to red
    1:24:45 to power down

    With all the programming options available with this light I'm sure I can milk out 2 hours on or near high with the 2 cell. Just cycling it to the low 280 lumen setting at stops during the ride might do it...and I always have my spare. Nice not being attached to an extension cord IMO but a 4 cell in the back pack and just blast away on high and no worries.
    2013 Banshee Spitfire V2 650b

  9. #109
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    Quote Originally Posted by skidad View Post
    I got a PM from Chris @ Gemini saying my run times should be better on the 2 cell and my battery was possibly not fully charged. He said leave it on the charger for at least an hour after the light goes to green as it will trickle charge to 100% capacity that way. Didn't know that but will give it a try.

    That being said I tested my second (and primarily used) battery and got allot closer to the 1:30 high run time on the Action LED site for the 2 cell. This was before I got the PM from Chris so I will try a 3rd time to see if that improves it even more.

    2nd test on high with 2 cell and my primary battery

    1:06 to amber
    1:19 to red
    1:24:45 to power down

    With all the programming options available with this light I'm sure I can milk out 2 hours on or near high with the 2 cell. Just cycling it to the low 280 lumen setting at stops during the ride might do it...and I always have my spare. Nice not being attached to an extension cord IMO but a 4 cell in the back pack and just blast away on high and no worries.
    Keep in mind that cool weather effects batteries and this effects how the circuitry in the lamp reads the voltage on the battery. Voltage sag in cold weather is always a problem with batteries. The smaller the battery, the larger the issue.

    Not sure how cold it is where you live but if you did the test inside the house the above paragraph is moot. Likely the battery just needs to recharge again. Trickle charging should not be an issue once the indicator on the charger indicates a full charge. If you doubt the battery is fully charged you can always check it with a meter. Full charge should read 8.4 volts. (DC)

    Anyway, since you're powering two XM-L emitters, if you get 1.5hr on high with a two cell battery you should be thrilled. In cold weather expect maybe 1hr 10min to 1hr 20min. In cold weather best to use the bigger batteries.

  10. #110
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    Hey Skidad,
    My second battery test went better too. I was happy with my time on the first test but I wanted to see if the charge indicator/low battery function would work correctly so I hooked up a partially charged 4 cell to save time. Bingo, approx 15 min. of yellow, followed by 15 min. of red and then flashing red and a power step down insteat of just turning off. I think I'm done testing the light in front of a fan for awhile, time for some single track.
    Mole

  11. #111
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    Quote Originally Posted by MRMOLE View Post
    Hey Skidad,
    My second battery test went better too. I was happy with my time on the first test but I wanted to see if the charge indicator/low battery function would work correctly so I hooked up a partially charged 4 cell to save time. Bingo, approx 15 min. of yellow, followed by 15 min. of red and then flashing red and a power step down insteat of just turning off. I think I'm done testing the light in front of a fan for awhile, time for some single track.
    Mole
    Please test it with the 2-cell in 40-60* weather
    "It looks flexy"

  12. #112
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    Quote Originally Posted by gticlay View Post
    Please test it with the 2-cell in 40-60* weather
    Sorry, I doin't own a 2 cell battery. Even if I did, looking at the current temp outside, it's 2 am and still 70. I don't think I'll see those temps till December.
    Mole

  13. #113
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    Quote Originally Posted by MRMOLE View Post
    Hey Skidad,
    My second battery test went better too. I was happy with my time on the first test but I wanted to see if the charge indicator/low battery function would work correctly so I hooked up a partially charged 4 cell to save time. Bingo, approx 15 min. of yellow, followed by 15 min. of red and then flashing red and a power step down insteat of just turning off. I think I'm done testing the light in front of a fan for awhile, time for some single track.
    Mole
    Retested the first battery per Chris from Gemini's instrutions

    Exact same results almost to the second except I caught the change to amber this time.

    1:13 to amber
    1:15 to red
    1:16 to power down

    Only 1 minute from the change from red to power off and almost 9 minutes shorter run time than my other 2 cell. Not complaining here but a bit curious and I sent a PM to Chris. And yes I'm testing the better battery yet again per Chris's instructions.

    EDIT: Better battery also tested exactly the same as the first time...almost to the second.

    I can check the 2 cell in 40-60 degrees as it's getting below 40 degrees here at night now.
    Last edited by skidad; 10-18-2012 at 07:40 PM.
    2013 Banshee Spitfire V2 650b

  14. #114
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    I took the Duo out tonight and it's a great light. I wish I had other newer lights to compare it to. My history is with DiNotte 400L lights. I will say that this light is almost too bright. I found myself on tight single track using it at 50% power and I was very happy. It was only on the fastest sections did I use it on full power. I found that the reflections from trees, leaves/branches to be very bright if I had it on 100% Depending on your local trails I could see how you would really want to pick something other than Low, Med or High. I found myself liking 60% and it was pretty cool that I could dial it up and down. I can't comment on runtime but the mount was quick to attach and remove (helmet mount).

    I could see how SPOT LENSES would be really great for this light. It has more of a flood pattern and on this cool moist night (55 degrees F) I found that wearing it on the helmet reflected some moisture in my eyes/line of sight. I can see how lowering it to the bars would be nice. I will run this light on the helmet for the time being and wait for a review of the Glowworm X1 and them possibly move it to the bars. Fit and finish seems great, lets see how it holds up. I can say that 4 bikers saw me pulled over on a trail wiring it up as it was dark. They were amazed by the size of the lamp head and waited for me to turn it on. They all gasped when I did

  15. #115
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    Are spot lenses available for the Duo?
    "It looks flexy"

  16. #116
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    Quote Originally Posted by KonaKen View Post
    ***Snipped version*** I took the Duo out tonight and it's a great light. I will say that this light is almost too bright. I could see how SPOT LENSES would be really great for this light. It has more of a flood pattern and on this cool moist night (55 degrees F) I found that wearing it on the helmet reflected some moisture in my eyes/line of sight. I can see how lowering it to the bars would be nice. Fit and finish seems great, lets see how it holds up.
    Used it last night and I agree with KonaKen.

    It is really nice to have that much punch on my helmet with a really low weight (had the 4-cell in my pack).
    No blogs here, nothing special.....I just like to ride my bike.

  17. #117
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    I've been on the fence about this one as my current xm-l titan seems to be bright enough but is just too heavy on the helmet. I was going to get a xera but now that this is out I don't know if I can resist. I'm starting to end up with way too many lights to put to use

  18. #118
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    Quote Originally Posted by manbeer View Post
    I've been on the fence about this one as my current xm-l titan seems to be bright enough but is just too heavy on the helmet. I was going to get a xera but now that this is out I don't know if I can resist. I'm starting to end up with way too many lights to put to use
    You can always recycle the Titan as a super tail light with our new RED wide angle lens
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  19. #119
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    Oh wow, thats brilliant! taking the plunge!

  20. #120
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    Quote Originally Posted by manbeer View Post
    I've been on the fence about this one as my current xm-l titan seems to be bright enough but is just too heavy on the helmet. I was going to get a xera but now that this is out I don't know if I can resist. I'm starting to end up with way too many lights to put to use
    For a helmet light I mainly use a Olympia or a Xera and accasionally a P-7 Titan or MS 808e, last night I tried my Due on the trails for the first time. On the weight issue the Titan/808e tend to make my helmet move around a little more and fatigue my old neck muscles on longer rides even though it's only 40-60 grams of extra weight. Withg the Xera/Duo/Olympia, other than the battery cord I don't even notice them at all. Since your considering either a Xera or a Duo I'd go with the Duo. Your going to get lighter weight with either and a nicer beam pattern (wider and more throw) but only slightly more power(compared to your current Titan) with the Xera, with the Duo you get the additional throw of the Xera with a much wider/more powerful beam. I even like the Duo over the Olympia for helmet use, almost as floody with better throw.

    Too many lights? I find switching my combinations of lights is fun and educational. If I never swithced light combos I never would have tried my Olympia as a helmet light. I learned that as long as it has enough throw, a nice wide beam is good on the helmet too. Some times when I ride my rigid single speed I run a Titan w/wide angle lens on the bars and a Titan on my helmet. That light combo provides pleaty of light for the speeds I go on that bike and it makes me appreciate my more powerful light when I use them. When I ordered by Duo, Jim at Action-LED-Lights sent me a red wide angle lens (for tail light use) to try. Using a headlight as a taillight is interesting. It's hard to evaluate a tail light while riding but my friends that I ride with seem to like it. A good imagination helps justify having many different lights. More lights = more fun!
    Mole

  21. #121
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    [QUOTE=Rakuman;9783494]
    I have noticed with Geomans batteries no power meter on any of my lights were accurate so I'm sure you could easily get another half hour out of it...
    so if you want to use Geoman batteries with an Olympia when it dims down just unplug to reset and run it at no more than half power to get the most out of these batteries...,
    and I see zero issues using them with the DUO



    Well I did my own rundown with the Duo/Geoman 6.0 with good results. 3:05 to flashing red/power down. I plugged in an 808e lighthead to that battery and it was flashing red and shut off almost immediately so I think it did a good job of useing up all the batteries charge. I'm thinking that Gemini has tweaked the low battery (voltage) threshold on this light compared to the Xera/Olympia. With the Xera/Olympia the Geoman battery worked OK but would only allow access to a partial portion of the battery capacity. The Duo works better with the Goeman battery than any other lighthead I've tried (808/808e,Titan P-7, BikeRay IV, Xera, Olympia). Runtimes aren't quite as good as the lower powered units but the battery power level light actually works. Blue to yellow (approx. 1.5 hrs.), yellow to red (approx. 2.5 hrs), red to flashing red @ 3:05. Zero issues with this battery/lighthead combo, I totally agree.
    Mole

  22. #122
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    Quote Originally Posted by manbeer View Post
    I've been on the fence about this one as my current xm-l titan seems to be bright enough but is just too heavy on the helmet. I was going to get a xera but now that this is out I don't know if I can resist. I'm starting to end up with way too many lights to put to use
    Fighting the urge to upgrade is a tough nut, especially at this time of year when all the new stuff is coming out. Just tell yourself that there are other people with the same problem who are worse off than yourself, then buy what you want. That works for me.

    Sooner or later I will see that the extra stuff gets passed on. I'd like to think that at some point some poor Mexican guy working at the local Wendy's is going to get off work at 1:30AM, go out to his 5yr/old Walmart MTB bike he has chained to a light pole and find a sweet DiNotte 600L sitting on his handlebars ( and PBSF on the seatpost flashing away ).

    Now I probably won't hang around to see his reaction but I bet he utters something like, "°caramba"!

  23. #123
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    I picked up an Olympia/Xera a few days ago and was super impressed. The Olympia beam looks similar to my friends' Seca 1700s, but at only $220 (lighthead, battery and charger), I couldn't be happier. The size and weight is ideal. The Xera on the helmet with the Olympia is simply excellent; so, this Duo on the helmet with the Olympia on the bars will be even better. Good job Gemini (and Action-Led).

    A riding buddy was so impressed with the Gemini lights he promptly ordered a Duo. Interested to see what he thinks.

  24. #124
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    [QUOTE=skidad;9792709]Retested the first battery per Chris from Gemini's instrutions

    Exact same results almost to the second except I caught the change to amber this time.

    1:13 to amber
    1:15 to red
    1:16 to power down

    Only 1 minute from the change from red to power off and almost 9 minutes shorter run time than my other 2 cell. Not complaining here but a bit curious and I sent a PM to Chris. And yes I'm testing the better battery yet again per Chris's instructions.

    Did you ever get an answer from Chris about this? I was wondering since I've experenced the same thing with one of my Gemini batteries.
    Mole

  25. #125
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    [QUOTE=MRMOLE;9803096]
    Quote Originally Posted by skidad View Post
    Retested the first battery per Chris from Gemini's instrutions

    Exact same results almost to the second except I caught the change to amber this time.

    1:13 to amber
    1:15 to red
    1:16 to power down

    Only 1 minute from the change from red to power off and almost 9 minutes shorter run time than my other 2 cell. Not complaining here but a bit curious and I sent a PM to Chris. And yes I'm testing the better battery yet again per Chris's instructions.

    Did you ever get an answer from Chris about this? I was wondering since I've experenced the same thing with one of my Gemini batteries.
    Mole
    Nope, not a peep back from either of my PM's. Perhaps I should just email him @ Gemini as I have no idea how often he checks here?

    What makes the battery exhibit that behavior? Some internal circuitry malfunction?
    2013 Banshee Spitfire V2 650b

  26. #126
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    I have a question on both the olympia and the duo. Can you build a battery pack to fit both? I have the olympia but would love to get the duo on the other side of my bar, but to only use one 8-10 cell battery. Is this possible? Can it be built?

  27. #127
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    Quote Originally Posted by mazspeed View Post
    I have a question on both the olympia and the duo. Can you build a battery pack to fit both? I have the olympia but would love to get the duo on the other side of my bar, but to only use one 8-10 cell battery. Is this possible? Can it be built?
    Sure, a higher capacity battery is not a problem though building a Li-ion pack is not recommended for DIY without the right equipment. All the cells have to be closely matched for the pack to charge properly. There are plenty of websites selling pre-assembled packs though such as All-Battery
    You just need to look for a 7.4V Li-ion pack with PCB (printed circuit board) which is the circuit that prevents over charging and over dis-charging along with helping balance the cells. You can use your current charger, it will just take longer to charge.
    An extension cable to give you the connector you need.
    There are also several vendors selling high capacity packs all ready to go such as Open Light Systems.
    Depending on the run time you need the Gemini 7800mAh 6 cell pack will power both lights for 2+ hours.
    Jim Harger
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  28. #128
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    Quote Originally Posted by Action LED Lights View Post
    Sure, a higher capacity battery is not a problem though building a Li-ion pack is not recommended for DIY without the right equipment. All the cells have to be closely matched for the pack to charge properly. There are plenty of websites selling pre-assembled packs though such as All-Battery
    You just need to look for a 7.4V Li-ion pack with PCB (printed circuit board) which is the circuit that prevents over charging and over dis-charging along with helping balance the cells. You can use your current charger, it will just take longer to charge.
    An extension cable to give you the connector you need.
    There are also several vendors selling high capacity packs all ready to go such as Open Light Systems.
    Depending on the run time you need the Gemini 7800mAh 6 cell pack will power both lights for 2+ hours.
    I will contact you later today. Than you very much.

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    I'm ready to buy my first front light, the use you'll give is nothing extreme, just long journeys on desolate roads. I am among the DUO and XERA, which I have to buy? DUO or Xera? ( w/ 4 cells pack )

  30. #130
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    Just got the Duo. Playing around with it in a dark room with white walls, it appears to be slightly green in tint, comapred to the Xera. I'll have to see how it looks tonight when it's dark but from what I can tell the color temp looks a little different than the Olympia and Xera. Real world shoud tell the whole story; based off this test, I might be sending back for another Xera. Thanks to Action Led for getting this to me so quickly.

  31. #131
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    Quote Originally Posted by TCW View Post
    Just got the Duo. Playing around with it in a dark room with white walls, it appears to be slightly green in tint, comapred to the Xera. I'll have to see how it looks tonight when it's dark but from what I can tell the color temp looks a little different than the Olympia and Xera. Real world shoud tell the whole story; based off this test, I might be sending back for another Xera. Thanks to Action Led for getting this to me so quickly.
    If I remember correctly, the Xera was actually a bit too blue (not good for mud and green we have here in the winter). I would welcome a slightly more white or yellow tint.
    "It looks flexy"

  32. #132
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    To me the Olympia and Xera both look about perfect, very white. I have a Niteflux Photon Max that is more blue comparatively. I also have a Foride (it's just like the MagicShine MJ-856) that is quite warm, tending toward slightly yellow. I prefer the color temp of the Olympia/Xera as they match each other perfectly and appear brilliant white. Of course the Duo may be a good match too but that will require more than shining it on the wall.

  33. #133
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    Another thing I noticed, the Duo moves around a bit more easy on its mount than the Olympia/Xera . I tried to tighten the bolt but it felt bottomed out already. Thoughts?

  34. #134
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    Quote Originally Posted by TCW View Post
    Another thing I noticed, the Duo moves around a bit more easy on its mount than the Olympia/Xera . I tried to tighten the bolt but it felt bottomed out already. Thoughts?
    I noticed the same thing. Thanks for reminding me. I plan to put a washer made from an old tube between the mount and base.

  35. #135
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    Quote Originally Posted by gmcttr View Post
    I noticed the same thing. Thanks for reminding me. I plan to put a washer made from an old tube between the mount and base.
    Good idea. I didn't ride tonight but played around outside with the Duo. The Duo has a bit more of a defined hotspot than I expected. The large hotspot seems to have some faint artifacts in the middle which makes it exhibit a slight donut. As I mentioned earlier it has a slightly lower color temp than my other Gemini lights. Tomorrow we are doing a large group ride. I talked a buddy into getting the Duo last week. Hopefully, he will bring his so I can ascertain if I got a dud. My light doesn't appear to have any more throw than my Xera with the wide optic. Something might be wrong.

  36. #136
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    mods please delete for factual errors..
    Last edited by slyfink; 10-23-2012 at 06:16 AM. Reason: factual errors
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  37. #137
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    My buddy with the other Duo didn't show last night so I couldn't directly compare my Duo to his. However, I did compare it to another light, the Light and Motion Taz 1200. The Duo put out more light, the 1400 lumen rating might be legit. Real-world use reveals this to be an excellent light. After the first lap, at dusk we stopped and grabbed the lights. I forgot to grab my bar light so went with the Duo on the helmet, alone. My wife ran the Olympia/Xera combo. On the trail the Duo on high worked well as a single unit, has just enough throw for the open stretches but also has a wide beam for the tight portions of the trail. When we came up on another large group of riders I had to power down to 60% so the dust particles didn't blind me too much; a bar light would've been helpful.

    Anyway, I'm still intereted to see how my buddy's Duo looks in comparison. The slight donut hole in the middle of the beam and lower color temp makes me wonder if the other units look the same. If his is whiter (a better match to the Olympia/Xera) then I will send back to Action Led for trade. If not, I'll happily live with it and chalk it up to the miniscule design of the dual optics.
    Last edited by TCW; 10-24-2012 at 08:36 AM.

  38. #138
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    Quote Originally Posted by TCW View Post
    Another thing I noticed, the Duo moves around a bit more easy on its mount than the Olympia/Xera . I tried to tighten the bolt but it felt bottomed out already. Thoughts?
    Yeah it's a step bolt. I put a thicker o-ring on mine and now it stays put.

  39. #139
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    Quote Originally Posted by gmcttr View Post
    I noticed the same thing. Thanks for reminding me. I plan to put a washer made from an old tube between the mount and base.
    Quote Originally Posted by presslab View Post
    Yeah it's a step bolt. I put a thicker o-ring on mine and now it stays put.
    I cut a washer from an old ultra-thin tube and put it between the mount and light head. Problem solved.

  40. #140
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    I love my Duo! Purchasing Olympia for the bars next! So far my Duo seems to have enough tension without any twisting yet will keep an eye on the unit. Thanks for the heads up!

  41. #141
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    Quote Originally Posted by presslab View Post
    Yeah it's a step bolt. I put a thicker o-ring on mine and now it stays put.
    Yeah, I didn't have a small, thicker, O-ring laying around so I did the thin-tube shim method. It works well but I'd rather do the o-ring. Might have to pick up a few next time I'm in town. The tension on the Olympia/Xera is just right, IMO. The Duo moves way too easy without modification.

  42. #142
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    Just recieved the Duo i ordered for the wife. First impressions are the light is very small and looks well built. Same consistency of quality finish as my Xera's. Still light outside so only had a chance to shine in the dark garage. I really like the colour rendition as it is slightly warmer than the Xera. Infact the Xera seems to have a violet tint to it in comparison, it must be the optic as Xm-L's ar not known to have this. Will wait until dark to check out beam shape and overall brightness compared to the Xera.

  43. #143
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    Just did a 24hr of GA w/ the Duo on helmet and Xera on Handle bar. I let my bro borrow my Olympia and he ran it on his handle bar and Xera on his helmet. All i can say is that "Well done Gemini". I no longer search for a perfect light combo
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  44. #144
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    Just got my Duo 2-cell kit today, and am impressed with the build quality and all that comes with the kit. Even though it's raining I might just have to head out for a ride and test it!
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    I just received the Duo and figured I would share my initial impression. My previous helmet light was the MJ 808e (the xml version) that recently stopped working. My principle dislike with the 808e was with its weight which caused my helmet to move around too much in the rough stuff. The Duo is significantly lighter and the difference is dramatic when wearing it on the head. Given its lack of mass it will be interesting to see how well the Duo dissipates heat. The beam is smooth and considerably wider that the 808e. However, lacks a focused hot spot. I donít believe that it will throw quite as far as the 808e. These are my initial backyard impressions. I will report back after I get the Duo out on the trail.

    Is there anyone out there that has access to the Duo and Glow Worm X2 v2? A lot of us would like to know how they compare.

  46. #146
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    That's exactly what I need to know!! Duo vs Gloworm X2 beam shot picts. I need a long throw beam that is light and low profile on helmet. Gloworm also coming out with a new X1 soon, just a thought!!

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    Gemini may be working on a more spot oriented reflector/optic for the Duo or if enough people ask for it they will.

    I call the Duo the Xera on steroids with that nice smooth beam and a maybe bit more throw. I would love to see this thing with a more focused throwing beam option. Gemini....you listening?
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  48. #148
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    Quote Originally Posted by skidad View Post
    Gemini may be working on a more spot oriented reflector/optic for the Duo or if enough people ask for it they will.

    I call the Duo the Xera on steroids with that nice smooth beam and a maybe bit more throw. I would love to see this thing with a more focused throwing beam option. Gemini....you listening?
    Seems odd they wouldn't design it to use the same reflector/optic shape/size as the Xera - drop it in and go.
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  49. #149
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    Yea, I think over all you get better value with Gloworm, better features, better Battery with "Pan. cells" also cool meter on battery. Mounting system is lower and stronger, being able to change optic lens is a real + and remote.
    I put an order on the Gemini Duo than canceled it, I know the Gemini is great product and well made.

    I will wait a few days to make up my mind. Going out for a ride, daylight now!!

  50. #150
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    Quote Originally Posted by gticlay View Post
    Seems odd they wouldn't design it to use the same reflector/optic shape/size as the Xera - drop it in and go.
    the optics on the Duo are a lot smaller than the Xera's optic.

  51. #151
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    Quote Originally Posted by dgw7000 View Post
    That's exactly what I need to know!! Duo vs Gloworm X2 beam shot picts. I need a long throw beam that is light and low profile on helmet. Gloworm also coming out with a new X1 soon, just a thought!!
    Whatever the differences I doubt they will be significant. Matter of fact, I wouldn't be surprised if they were using the same optics.

    Gloworm mentioned a while back that they were considering an even tighter spot optic for
    the X2. Now they have become silent on the issue and my guess is that they really couldn't find something that was going to work with the present set-up....at least for the time being.

    I'm still waiting for someone to market a quad XP-E2 ( or XP-G2/E2 combo ) set-up which I feel could make a really nice helmet lamp that could have excellent throw.

  52. #152
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    Quote Originally Posted by Cat-man-do View Post
    Whatever the differences I doubt they will be significant. Matter of fact, I wouldn't be surprised if they were using the same optics.

    Gloworm mentioned a while back that they were considering an even tighter spot optic for
    the X2. Now they have become silent on the issue and my guess is that they really couldn't find something that was going to work with the present set-up....at least for the time being.

    I'm still waiting for someone to market a quad XP-E2 ( or XP-G2/E2 combo ) set-up which I feel could make a really nice helmet lamp that could have excellent throw.
    What do you think about the artifacts in the center of the beam I described earlier for the Duo. Does the Gloworm beam have that subtle donut thing going on? From the beam shots I've seen the X2 looks nice, like a Xera doubled up. I still haven't checked out my friend's Duo to see how they compare.

  53. #153
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    Quote Originally Posted by TCW View Post
    What do you think about the artifacts in the center of the beam I described earlier for the Duo. Does the Gloworm beam have that subtle donut thing going on? From the beam shots I've seen the X2 looks nice, like a Xera doubled up. I still haven't checked out my friend's Duo to see how they compare.

    "TCW" I just checked mine to see if I can see any artifacts in my beam pattern Nope very smooth distribution, Try this, cover one lens and see if it is still there, you might have something in there causing it..
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  54. #154
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    Quote Originally Posted by TCW View Post
    What do you think about the artifacts in the center of the beam I described earlier for the Duo. Does the Gloworm beam have that subtle donut thing going on? From the beam shots I've seen the X2 looks nice, like a Xera doubled up. I still haven't checked out my friend's Duo to see how they compare.
    I did not see any artifacts in mine, just a smooth beam pattern. This was shot at a white wall 10 feet away, but didn't notice anything on pavement outside either.
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  55. #155
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    Quote Originally Posted by Cat-man-do View Post
    Whatever the differences I doubt they will be significant. Matter of fact, I wouldn't be surprised if they were using the same optics.

    Gloworm mentioned a while back that they were considering an even tighter spot optic for
    the X2. Now they have become silent on the issue and my guess is that they really couldn't find something that was going to work with the present set-up....at least for the time being.

    I'm still waiting for someone to market a quad XP-E2 ( or XP-G2/E2 combo ) set-up which I feel could make a really nice helmet lamp that could have excellent throw.
    Is it even possible for optics to be created for these lights to throw nearly as well as some reflector based lights due to their small size? I own the X2 Gloworm 2nd version with 2 spot optics and find myself needing more throw. I love the size, helmet mounting, and weight of this light. It would be the perfect light if they could develop new optics that could greatly improve the spot beam.

    I just received the Xeccon S-12 and the throw on it is amazing. The larger lighthead with a reflector really does the job at creating a great spot beam. I just hate the helmet mount as it makes the lighthead stickup so far making if feel much heavier on the helmet, which bothers my neck after an hour or so on the bike. I really wish someone could develop a lower profile helmet mounting system for these types of lights, then I think I would be ok with the lighthead size and weight.

    As much as I would prefer to have the S-12 on my helmet for throw I will mount it on my handlebar and keep the Gloworm on my helmet. For me I find the helmet mounting of the Gloworm by far superior.

  56. #156
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    Quote Originally Posted by Rakuman View Post

    "TCW" I just checked mine to see if I can see any artifacts in my beam pattern Nope very smooth distribution, Try this, cover one lens and see if it is still there, you might have something in there causing it..
    Yeah, I'm pretty much convinced one of the LEDs is messed up. We rode two hours tonight then did some post ride comparisons. My wife's Xera, with stadard optic, out throws my Duo. The overall brightness on my Duo is just barely more than her Xera. Still need to directly compare to my friend's Duo to be 100% certain mine is jacked.

  57. #157
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    Quote Originally Posted by TCW View Post
    Yeah, I'm pretty much convinced one of the LEDs is messed up. We rode two hours tonight then did some post ride comparisons. My wife's Xera, with stadard optic, out throws my Duo. The overall brightness on my Duo is just barely more than her Xera. Still need to directly compare to my friend's Duo to be 100% certain mine is jacked.
    We had a new Duo go bad shortly into our ride tonight. The poor girl was so excited to have her new light and it worked for about 10 minutes. We tried everything (2 of us have them already) but nothing seemed to work. I'm sure Action LED will get her squared away but what a bummer for her after listening to all our hype about it. Luckily I had loaned her a Lyzene Super Drive 450 lumen bar light and she made do with that. Living in MA this turned into more of a trail clearing than riding after Sandy came through.
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  58. #158
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    Anyone using the Duo with the 4 cell battery attached to the helmet? I am wondering about weight, is 4 too heavy vs the 2 cell?

  59. #159
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    Quote Originally Posted by rsolti13 View Post
    Anyone using the Duo with the 4 cell battery attached to the helmet? I am wondering about weight, is 4 too heavy vs the 2 cell?
    I am as I wanted the extra time for winter rides. For me it would be too heavy to put on the helmet like some suggest yet I just carry a small bike pack and keep it in there close to my back to keep it warm. We ride at below -25 c here, and at times regularly, and our shortest length of daylight in December/January is only 5 hours. The 4 cell was a wise choice on my part.

  60. #160
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    I agree, the 4 cell really not designed for the helmet. Backpack is perfect.

  61. #161
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    Quote Originally Posted by Brooks04 View Post
    ...Is it even possible for optics to be created for these lights to throw nearly as well as some reflector based lights due to their small size? I own the X2 Gloworm 2nd version with 2 spot optics and find myself needing more throw. I love the size, helmet mounting, and weight of this light. It would be the perfect light if they could develop new optics that could greatly improve the spot beam.
    .
    I believe that is the million dollar question. The current emitter/optic technology is limited. Reflectors still seem to be the best bet when it comes to providing throw. We may never see a really far throwing emitter/optic set-up until the emitter manufactures decide to design an emitter specifically for that purpose. If they do it will likely resemble something like the old MR-11 halogen bulbs.

    Another option would be to create a "Mega" die Led capable of outputting over 2000 lumen. If they can do that without having to deal with heat problems than we will get our thrower helmet lamps....eventually...

  62. #162
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    I got a good night ride in with the Duo on the lid and MJ 872 on the bars. Here are my 2 cents: My old helmet light was the MJ 808e. In comparison the Duo puts out considerably more light but does not throw as far. It is super bright and a great light for when the going gets slow. However, when the speed rises, I really want a more focused beam. At longer distances the light is just too diffuse. If you run a good flood light on the bars, you eyes adjust to the brightness near the bike. Therefore, when looking far ahead, you need a concentrated beam for your spot. In order to look down range with the Duo I found myself turning off the bar flood.

    At shorter distances this thing rocks. With the wide spread, you donít have to constantly move your head to get the light where you want it. This is much less fatiguing on the neck. I think that the there is consensus emerging about the Duo and the Glow Worm X2. Both use similar if not identical optics. Both are lumen beasts for their size but they are most defiantly not throwers.

    It think Cat-man-do has it right about the optics vs reflectors. It looks like the current crop of available optics donít throw well (at least when paired with an xml). The only way to get these to work at long distances is to crank up the lumens like Lupine does on the Willma and Betty models. Maybe better results could be achieved using small emitters that are easier to focus with small optics.

  63. #163
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    What about sanding down some of the small Regina reflectors or something to fit for throw? They are really small and I'm sure someone could get them to fit. I have a bunch of those kicking around.
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  64. #164
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    Well I just found out last night by putting a great light on helmet. The Serfas 1500 mounted higher up in the air projecting down was the best I have ever had for mtb. I also put 2 clones MJ 808e on bars.
    This combo was great, so what I'm now thinking buying 2 Gemini Xera in place of the 808e on the bars. The only thing was the weight of the Serfas 1500 head 158g, so it must go on back side of helmet to even out weight.
    I just wanted to point out a great light on the head makes a huge difference.

  65. #165
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    Quote Originally Posted by Rakuman View Post

    "TCW" I just checked mine to see if I can see any artifacts in my beam pattern Nope very smooth distribution, Try this, cover one lens and see if it is still there, you might have something in there causing it..
    When I cover each optic they both look equally messed up, having subtle artifacts in the center of each. I had my wife evaluate as I pointed each at the white ceiling; didn't tell which was the Duo or the Xera. She described the Duo as "not smooth", "looks a little wider", "looks yellow." She also thought the Xera had quite a bit more intensity. I asked which beam she'd prefer and she chose the Xera; mentioned that she didn't like the defined hot-spot,with abrupt rings of the Duo. She said it looks like her Niterider MiNewt 600 just not as wide. I agree with her assessment. So, this thing is going back to Jim. I asked him to check it out and see if it's actually a lemon. It's possible that it is fine. Maybe my expectations were just too high based upon the Olympia and Xera. I will let you know how this turns out.

  66. #166
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    Jim is going to send another Duo. Awesome customer service. Action-Led to the rescue.

  67. #167
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    Action is where im going to get my lights from for sure once i figure out which ones i want.. Hearing about customer service like that just makes you want to reward those guys doing the right thing..

  68. #168
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    Ditto on the customer service at Action. The plastic tip of the plug on my XERA broke off and Jim had one in the mail shortly after I contacted him. It's that kind of attention that makes all the difference.

    Two thumbs up for Jim!

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    Quote Originally Posted by Cat-man-do View Post
    Gloworm mentioned a while back that they were considering an even tighter spot optic for
    the X2. Now they have become silent on the issue and my guess is that they really couldn't find something that was going to work with the present set-up....at least for the time being.
    Gloworm have a 'Super-spot' optic in development for the X2 that should be available next month.

  70. #170
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    Quote Originally Posted by Cat-man-do View Post
    Whatever the differences I doubt they will be significant. Matter of fact, I wouldn't be surprised if they were using the same optics.

    Gloworm mentioned a while back that they were considering an even tighter spot optic for
    the X2. Now they have become silent on the issue and my guess is that they really couldn't find something that was going to work with the present set-up....at least for the time being.

    I'm still waiting for someone to market a quad XP-E2 ( or XP-G2/E2 combo ) set-up which I feel could make a really nice helmet lamp that could have excellent throw.
    Got us Cat! We have been quiet......however the only reason for our silence is the work thats going into the finalisation of the X1......and the development of the super spots for the X2. We decided that an off the shelf option would not suit our current application - therefore we've had to go toward custom optics.

    This process requires a little more time, but the finished result should be a pretty good product.
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  71. #171
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    Quote Originally Posted by Gloworm Manufacture View Post
    Got us Cat! We have been quiet......however the only reason for our silence is the work thats going into the finalisation of the X1......and the development of the super spots for the X2. We decided that an off the shelf option would not suit our current application - therefore we've had to go toward custom optics.

    This process requires a little more time, but the finished result should be a pretty good product.
    Well yeah I figured something like that. I already assumed that we wouldn't be seeing the new optics for the X2 until next year. Not that I'm rushing you but it if they did come out by Christmas that would be nice.

    As for me, I'm not a real cold weather rider. I can wait till next year but it would still be nice to have something new to play around with over the winter. Looking forward to what the X1 will bring to the table.

  72. #172
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    Anyone but me find the button hard to push? I popped the button out and put a bit of heat shrink tubing over the nub in the middle. Now it's much easier to push, but still not too easy.

  73. #173
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    Last night was my first ride with DUO (as a helmet light, and Olympia as a bar light), and to be honest, I was disappointed with its throw. No where near as MJ-808 I had. DUO definitely is a flood light.

    Although I like its light weight, it's pretty much useless as a helmet light especially if you have a flood light on your bar.

    EDIT: I probably need to mention that I shred downhill even at night so I need a thrower on my helmet. I was fine with 808E in terms of spill and throw, but I hated the weight. It was heavy enough to moved my helmet around so I wanted something a little lighter without sacrificing the throw. I believe DUO works well for XC/Trail type of riding especially if you do not have a floody bar light.
    Last edited by butasan; 11-07-2012 at 11:24 AM.

  74. #174
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    I went for my first "real" ride last night on the Duo and have to say I'm impressed! I used the 2-cell battery setup on my helmet to replace my Magicshine 808e XML, while keeping my MJ-872 on the bars. I programmed my 3 settings for 30%, 80%, and 100%. 30% is great for riding on the road or climbing, 80% is good if you want to save battery life, and 100% is ideal for fast descents where you need to throw every bit of light you have as far down trail as possible.

    Light intensity is the same at distance as my new MJ-808E (XML version), and much brighter than my old MJ-808 with the SSC-P7. In addition, the Duo beam covers a HUGE area as compared to the MJ-808. The best way I can describe it is that it's a flood pattern that throws just as far as the 808. It's really the perfect headlight IMHO, and pairs really well with a floody bar light like the MJ-872/880/etc. It was great to finally get away from the spotlight effect, have more light on the trail, and be cut free from cords going into the backpack.

    I also found that the programming for the light levels are easy to figure out, and the directions in the manual are clear and understandable. It's almost too easy to get into the programming mode though, and I did it on accident at first.The headbelt is also pretty nice and will come in handy for night hikes, camping, and backpacking trips.

    My only complaints thus far are:
    - Loose screw connection on the mount. As others have said, I'll be adding a piece of tube to tighten this up.
    - Battery level indicator. I rode for 1.5 hours on 80-100% and the light still showed green, which obviously is not correct.

    Improvements over the MJ-808e:
    - Bigger spill on the beam
    - No hot spot at close range
    - Lighter/smaller setup for the helmet
    - Programmable brightness levels
    - No more cords to the backpack (with the 2-cell battery)
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  75. #175
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    Duo vs 808e vs Olympia vs Xera (spot optic) throw test. I took these lightheads up to a canal near my house tonight and used some large two story houses and the opposite inclined bank of the diversion canal (both 150-200 feet away) to shine the lights at. Using light intensity to judge the winner, I'd say the Duo had a very slight advantage over the 808e/Olympia (which were about the same). The clear winner was the Xera w/spot optic. I still prefer the Duo as a helmet lght because of it's beam width advantage over the Xera, but I hope in the near future Gemini will provide us with a spot optic option to give us a little extra throw.
    Mole

  76. #176
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    Got the replacement Duo from Action-Led. It is smooth (no artifacts) and slightly brighter. It appears to have a higher color temp, yes. Success.

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    Hello Everyone,

    This question is geared towards anyone who has purchased a DUO. I just received mine this afternoon. I have fully charged the battery and installed it onto my bicycle. I have one question/concern. My LED status indicator continuously stays illuminated regardless if the light is actually on or not. I do not believe it should do this. Can anyone confirm that the LED status indicator turns off when the headlight it turned off. At this point the only way to turn off the green led on the back of the light is to physically unplug the battery.

    Thank you in advance for any replies.

    Daniel

  78. #178
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    Quote Originally Posted by dowsiany View Post
    Hello Everyone,

    This question is geared towards anyone who has purchased a DUO. I just received mine this afternoon. I have fully charged the battery and installed it onto my bicycle. I have one question/concern. My LED status indicator continuously stays illuminated regardless if the light is actually on or not. I do not believe it should do this. Can anyone confirm that the LED status indicator turns off when the headlight it turned off. At this point the only way to turn off the green led on the back of the light is to physically unplug the battery.

    Thank you in advance for any replies.

    Daniel
    Its supposed to be on it lets you know your battery is connected and have power. It takes very little juice dont worry about it
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  79. #179
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    I bought a Duo two weeks ago from Action because of all the good reviews here. When the light came, there was something loose in the light head. It sounded like a little screw was bouncing around in the light head. Anyway, I emailed Action and with no questions asked, Jim dropped a new head in the mail the same day. He instructed me to drop my Duo head back in the shipping tube and affix the prepaid shipping label once I received the new one. Jim even said to use my original Duo if I needed. Thursday my new Duo head showed up but I didn't use it yet. It doesn't have any loose objects inside and powers up as it should.

    Great service and fast shipping from Action. Glad to see some companies still treat the customer so well.

  80. #180
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    Quote Originally Posted by FastZR1 View Post
    I bought a Duo two weeks ago from Action because of all the good reviews here. When the light came, there was something loose in the light head. It sounded like a little screw was bouncing around in the light head. Anyway, I emailed Action and with no questions asked, Jim dropped a new head in the mail the same day. He instructed me to drop my Duo head back in the shipping tube and affix the prepaid shipping label once I received the new one. Jim even said to use my original Duo if I needed. Thursday my new Duo head showed up but I didn't use it yet. It doesn't have any loose objects inside and powers up as it should.

    Great service and fast shipping from Action. Glad to see some companies still treat the customer so well.
    Jim is the bomb! He always take care of his customers. Deal w/ him a few times and always satisfied w/ his product and service.
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  81. #181
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    I had a chance to try out the Duo last night, this head puts out a nice flood. Comparing it to my Serfas ture 1500 light the Serfas is much better in every way, but 3 times the size and weight. The Serfas light color is more natural also. The color of the Duo is white but when comparing them side by side the Serfas seems more yellow but also more natural to my eye.

    I think having 3 led in a row with center being the spot is the way to design a head, the Duo needs more spot in my view. Also puts out alot of heat, I will be sending it back and getting the Xera.

    Jim at Action your right!! is the best at taking care and standing behind what he sells, has super fast shipping. Its just hard to competed with the true 1500 when you can get one for 199.00 now, at Price Point.

  82. #182
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    That's the only problem with the True 1500 as you mention, size and weight. I compared my wife's Olympia to the True 1500 and they were comparable. I liked the Olympia's color temperature a little better. The best combo I have seen is the Olympia (bars) and Xera on the helmet. The Duo is nice and will be awesome when spot optics are available. I'll probably pick up an Olympia for the bars soon. Right now I'm running a Duo on the helmet and a Niterider MiNewt 600 on the bars.

  83. #183
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    Ok, guys. I'm coming back from a 4 year night riding heitus and need to get a new light. I got my Light and Motion ARC HID out tonight and the batter will charge but the light won't fire up. I suspect it is the bulb which is $150 so that's a non-starter.

    That is all to say for someone used to the 585 Lumen L&M Arc how is the Duo going to compare? I used to do 12 and 24 Hour races with the Arc and was always within a minute or 2 of my daytime laps so the light output was plenty.

    I have read everyone's comments about "throw" and I can relate to almost outrunning my light but we are talking about double the light output of an Arc so I question if optics and throw will really be an issue.

    I spoke to Jim today and he really sold me on the Duo but in reading this thread (yes all 8 pages) I'm wondering if the Xera is the better single light. Oh yeah, I don't want a bar mounted light at all. I prefer a single helmet mounted light.

    Any tips from the regulars here?
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  84. #184
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    Quote Originally Posted by Asahi View Post
    ...I spoke to Jim today and he really sold me on the Duo but in reading this thread (yes all 8 pages) I'm wondering if the Xera is the better single light. Oh yeah, I don't want a bar mounted light at all. I prefer a single helmet mounted light.

    Any tips from the regulars here?
    While some have reported that the Xera has more throw than the Duo, to my eyes the Duo has as much, or a bit more throw with a wider beam. I would pick the Duo if I was only going to use one.

  85. #185
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    If you are gonna use only one light on the helmet...I'd go w/ Jim suggestion. The Duo will give you enough flood and throw.
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  86. #186
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    Thanks for the input. Has there been a thread about the Duo vs the Gloworm X2? I'm between those 2 systems and I keep coming back to the Gloworm because of the mount.

    1400 lumens vs 1200 Lumens. Whats the real world comparison? Noticable?
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  87. #187
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    Quote Originally Posted by Asahi View Post
    Thanks for the input. Has there been a thread about the Duo vs the Gloworm X2? I'm between those 2 systems and I keep coming back to the Gloworm because of the mount.

    1400 lumens vs 1200 Lumens. Whats the real world comparison? Noticable?
    i have been doing the same for a few days trying to decide between the X2 and and Duo for a helmet light. one thing is that i didnt see a 2 cell battery or the extra spot lense availble on the action led site. besides the mount of the x2 i also like that their battery has an indicator.
    would appreciate any comments from someone who has tried both?

    thanks
    Neveo

  88. #188
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    Quote Originally Posted by neveo View Post
    i have been doing the same for a few days trying to decide between the X2 and and Duo for a helmet light. one thing is that i didnt see a 2 cell battery or the extra spot lense availble on the action led site. besides the mount of the x2 i also like that their battery has an indicator.
    would appreciate any comments from someone who has tried both?

    thanks
    Neveo
    I've quizzed Jim for a good bit this afternoon. The Gemini 2 Cell battery is compatible with the X2 so there is your 2cell option. After speaking to Jim he has me pointed to the Gemini Duo. He indicated the replacement lenses were in the works so hopefully that becomes a reality. I'm not sold on the remote switch on the X2 as a standard but really do like their helmet mount design.
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  89. #189
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    Quote Originally Posted by Asahi View Post
    Thanks for the input. Has there been a thread about the Duo vs the Gloworm X2? I'm between those 2 systems and I keep coming back to the Gloworm because of the mount.

    1400 lumens vs 1200 Lumens. Whats the real world comparison? Noticable?
    The 200 lumens difference is not so important in terms of brightness but more so in terms of beam pattern and how the beam pattern will untilize the 200 lumens difference. So far there has not been any direct beamshot comparison between the two brand. That being said, it is a tough desicion.

  90. #190
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    I just compared the Duo to Xera tonight, the Duo has much wider seamless spread. Almost as much throw as the Xera with spot lens, but I do not like the Xera with spot lens installed. Pattern not smooth to my eye. The more I use the Duo the more I like it, I may get the X2 now and go head to head with Duo.

    One more note, Xera is better than my Clone Magicshine 808e more throw and wider spread.
    Last edited by dgw7000; 11-13-2012 at 10:24 PM.

  91. #191
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    Quote Originally Posted by Asahi View Post
    I've quizzed Jim for a good bit this afternoon. The Gemini 2 Cell battery is compatible with the X2 so there is your 2cell option. After speaking to Jim he has me pointed to the Gemini Duo. He indicated the replacement lenses were in the works so hopefully that becomes a reality. I'm not sold on the remote switch on the X2 as a standard but really do like their helmet mount design.
    Funny I quizzed Jim as well today and after talking to him I decided to go with the Duo so I have one on the way. If I didn't already have the XERAs I might have gone with the X2 but I've been using the XERAs for a year now and I like the quality of the light and battery. I'm assuming that will carry over to the Duo. One other thing that I like about the Duo is the ability to program your three power levels to whatever you want them to be. For example on my XERA low-med-high is 30%-70%-100%. The X2 comes with a variety of preprogrammed power levels but I like the ability to tweak it like I need it.

  92. #192
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    Quote Originally Posted by jhymel View Post
    Funny I quizzed Jim as well today and after talking to him I decided to go with the Duo so I have one on the way. If I didn't already have the XERAs I might have gone with the X2 but I've been using the XERAs for a year now and I like the quality of the light and battery. I'm assuming that will carry over to the Duo. One other thing that I like about the Duo is the ability to program your three power levels to whatever you want them to be. For example on my XERA low-med-high is 30%-70%-100%. The X2 comes with a variety of preprogrammed power levels but I like the ability to tweak it like I need it.
    Would have loved them except that they would not use much of the Geoman batteries. I guess the new Duo is OK but :???/
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  93. #193
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    Quote Originally Posted by gticlay View Post
    Would have loved them except that they would not use much of the Geoman batteries. I guess the new Duo is OK but :???/
    Well are you faulting the light because the Geo batteries were made to be too safe?. I would think most two-led set ups have the potential to run into this issue if the draw is too much. I've used the Geo batteries for my XERAs for a year and I normally get 3.25 - 3.5 hours of runtime on high for one light head. This past week I've been experimenting with two running from one Geo. When I run both XERAs on high I get about 30 minutes before the battery indicators turn red. If I run them on a medium level I can get more time.

    I have yet to do a complete run down test since I've only tested this config on actual rides and along with this I'm testing another new light on the helmet. Too many "new" items/configs in the mix and I don't want to be left in the dark on a ride, so I have yet to push the config to cutoff.

    While there has been reports of the Geo batteries not running completely out, there are also some reports of them working fine on the Duo New Gemini light? the Duo?

  94. #194
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    Been loving the light the past couple weeks. It's on my helmet, and has good brightness, and very light. I've been toying with the idea of replacing just one of the lenses with a more spot beam; anyone know of something suitable?

    The other night I did a particularly wet night ride, and while looking at the light I saw something funny on the lens. Turns out it was inside, as a teaspoon of water got inside the light. The two screws were tight when I removed them, and the gasket looked intact. I'll put a bit of silicone on the gasket when I put it back together after it's dried out.

  95. #195
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    Was loving my duo until the other night. Was out on a night build here on the shore when all of a sudden the light turned off. It was on the med setting and had been on for about 2hrs. Thank god I was with another gnome and had a spare light to get out of the woods. When I got out I turned the duo back on and it had less light than a candle. Went home charged it up, reset the light and same issue ... candles worth of light. Anyone else had any issues? Is the unit dead? Anything I can do?

  96. #196
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    Quote Originally Posted by Poppaj View Post
    Was loving my duo until the other night. Was out on a night build here on the shore when all of a sudden the light turned off. It was on the med setting and had been on for about 2hrs. Thank god I was with another gnome and had a spare light to get out of the woods. When I got out I turned the duo back on and it had less light than a candle. Went home charged it up, reset the light and same issue ... candles worth of light. Anyone else had any issues? Is the unit dead? Anything I can do?
    Poppaj,

    You can get a hold of us or Gemini and we'll get a new light head set out to you right away.
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  97. #197
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    Quote Originally Posted by jhymel View Post
    Well are you faulting the light because the Geo batteries were made to be too safe?. I would think most two-led set ups have the potential to run into this issue if the draw is too much. I've used the Geo batteries for my XERAs for a year and I normally get 3.25 - 3.5 hours of runtime on high for one light head. This past week I've been experimenting with two running from one Geo. When I run both XERAs on high I get about 30 minutes before the battery indicators turn red. If I run them on a medium level I can get more time.

    I have yet to do a complete run down test since I've only tested this config on actual rides and along with this I'm testing another new light on the helmet. Too many "new" items/configs in the mix and I don't want to be left in the dark on a ride, so I have yet to push the config to cutoff.

    While there has been reports of the Geo batteries not running completely out, there are also some reports of them working fine on the Duo New Gemini light? the Duo?
    Actually, it was the xera that wasn't working - they would go into some sort of pulsing low battery mode when there was plenty of "juice" left. The battery never shut down. Been watching the Duo and not sure if it will work better with them. :frustrated:
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  98. #198
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    Just wanted to post an update on the Duo after using it several times on the trails.

    In short, it's been 95% perfect with just one actual problem, and one minor nag:

    Problem: Rear light never changes color to indicate battery level. It stays on green until the light shuts off. I know I'm good for 1.5 hours on high with the 2-cell, but it's not working as advertised.

    Nag: As others have mentioned, the lack of an optic/reflector for greater throw. For most of my riding which is singletrack it's not necessary. However, I could see on a super fast gravel road descent that I might want more distance. Just to have the option would be nice.


    Other than those two items, the light has worked amazingly well and truly lights up the night. I could easily ride with just this light on the helmet. It throws just as far as the MJ808e, but with a nice smooth pattern, no hot spot, and a LOT of spill. I've paired the Duo on my helmet with an MJ-872 on the bars which has been a great combination. On high it's totally overkill for anything but the fast descents. For climbing I like both set on 60% output which is more than enough, but gives a long run time. The two beams compliment each other well, since they both are smooth patterns with no discernible hot spots. From the front tire to about 80 yards out I have a completely illuminated trail.

    I also like the ability to program in the 3 light brightness settings on the Duo. I found the stock settings (20/60/100) to be fine, but IMHO the 20% isn't very usable on the trail. Good for work around the house, camping, or walking/running but I really don't use it for those purposes. I changed the lowest setting to 40%, which is perfect for slower speed on the trail and gives a runtime of 6.75 hours on the 2-cell. Battery life has seemed very close to what is advertised, although I've yet to do an actual measured run-down test.
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  99. #199
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    Strange on the not changing colors. My Duo changed with both my 2 cell batteries when doing the run time tests. Of course I can't see it on my helmet to know what it's doing. 90% of the time I run it in the mid 60% setting along with my 856 (the 872 clone in finned housing) in the #2 setting and I'm good. Near the very end of a ride I'll just blast everything for fun.

    I've had no issues with my Duo but a girl I ride with got one and had to send it back after it failed on her first ride and there's been some other reported issues also in these threads. Action LED has been outstanding in all these cases but maybe Gemini needs to watch the QC a bit better.....and yes a spot option would be nice to have/try.
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  100. #200
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    I do like the Duo on the helmet, but have not tried it yet on the bars. The Duo on last Monday night 2.2 hour ride with my favorite battery Magicshine MJ-6030 5600mAh lasted the entire ride on high.
    I also like the cover the battery comes with neoprene so it pulls nice and tight, also has Samsung cells.

    I just pulled the trigger on a Trail Torch TT1800. The company has not had any comebacks or returns, made in the USA, PA. I have a feeling this will be my best light!! This will be my dedicated helmet light, I bought it without the battery to save some money, so I will need to install a Magicshine plug to the light inorder to use all my MJ 6030 battery packs. The Duo may make a good handlebar light!!

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