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  1. Z

    Finally some Mars Bars and my lights are going up

    Well been a little while since I shared anything. The Mars Bars are absolutely doing the job. Anyway thought I'd share Day 44 since turn we are only running 10hrs on 14 off and as the images show it's going great.
  2. Z

    wow - extremely annoying trying to get wires into IDEAL COB holder

    Those holders are for 18AWG I think and no need to tin the wires, also best not to twist, just cut, strip and plug in.
  3. Z

    Cheap and Cheerful DIY using Citizen cobs

    If you put a switch on you could run 2 strips each of say 2700-3000-3500K in a mix. I want Mark to make some in a mix like that on one strip. I don't know about dimming these drivers would love to do that myself but unsure exactly how to do so safely. Have a look at the samsung hard strip...
  4. Z

    Cheap and Cheerful DIY using Citizen cobs

    You could purchase some cutter hard strips (2 per driver) and simply remove the front plate carrying the diodes, cut a new plate attach the hard strips (think you'd get away with 10). Does your Mars 2 have switches on that model, can't recall if they did. That will give you one very mean...
  5. Z

    samsung hard strips

    Update on the 2 x 3000K hard strips from cutters. We have had them in for just under a week, no heat issues on that unequal anodized channel (50mmx25mm) directly screwed down without any TIM. Remember running them only @750ma and will be lower once on my coralux board, will probably drive...
  6. Z

    Cutter Electronics: Complete DIY COB kits

    Mark can you say when the new LDD drivers you have coming might be available? Can you say what the ma ranges will be? And cost? Just deciding if to wait for these to come or to just order the meanwell ldd's that you have.
  7. Z

    Thank I have a dodgy set of cobs or driver from cutter electronics

    Oh now you are remorseful for calling out Mark @ Cutter in a public forum for DIY led builders. Did you even run any rudimentary tests with a multimeter? Just wow absolutely amazing that you'd do that before contacting Mark @ cutter through his website and getting the problem sorted as it...
  8. Z

    Cutter Electronics: Complete DIY COB kits

    Hey Mark, The hard strips are great in the 3000K XPG3 (S3 bin I think) that you made up for my side lighting, I'll definitely be wanting that mix I spoke with you about of 2700K - 3000K - 3500K on the one strip. The beauty of these is the plug and play nature... and also I don't need to spend...
  9. Z

    samsung hard strips

    Know this thread has been left for sometime. But reading it has given me some ideas. Anyway I've been wanting to add some side light to my lower canopy and thought I'd have a go. Mark from cutter has made up 2 of these hard strips for me running XPG3 3000K x 15 (S3 Bin I think) on each 26cm...
  10. Z

    DiY LEDs - How to Power Them

    Yep no problem.
  11. Z

    Finally some Mars Bars and my lights are going up

    Finally gotten around to another update. The girls are doing very nicely and all is going well. Day 14 since turning to 12/12 - Still haven't done my supplemental mono 450nm - 620nm - 660nm and 730nm add on bars that will run off a coralux controller. Also planning to add 6-8 or more XPG3 Hard...
  12. Z

    mars 2 - to cob

    Yes growmau5 video's have been creating plenty of new builders around the globe. Big shout out to him and all the others that contribute to the community. Now when I first posted to your thread, I thought you might have left those drivers in to run the 12v fans and was going to suggest that...
  13. Z

    A "little" project to pass the time.

    Entering the straight now... 156 is all I have to offer bongsmilie
  14. Z

    mars 2 - to cob

    Well done getting into converting that Mars II 900W (ha ha) box of puss. I'm sort of with Airwalker here on removing those drivers lot of dead weight and restriction of air flow, however with only 4 cobs on those heat sinks it'll be no problem. Actually Mars series II lamps have 55-100v 750ma...
  15. Z

    MeanWell LED Drivers: 3 in 1 Dimming Function.

    Simple answer is no - it's very difficult to make potentiometers exacting, you can get them but the prices are frankly unbelievable, that's part of the reason for wanting the resistor to ensure that the driver gets the correct voltage for maximum output. ie. I had 4 pots ... 2 of which had...
  16. Z

    Cutter Electronics: Complete DIY COB kits

    Thanks Growmau, I know (knew) I could order them separately however doing so costs 8% more or there about. Just thought why shouldn't the 72v be in there it's an easy thing to add to a drop down menu.
  17. Z

    Cutter Electronics: Complete DIY COB kits

    Hi Mark, is it possible to add 72v version of this as an option? MAU5-1 Sup
  18. Z

    Cutter Electronics: Complete DIY COB kits

    Hi Growmau, I'd been thinking about this quite a bit over the last few days, having picked up my coralux unit and LDD 5up board from Mark @ cutters... I'll be drawing around the same voltage as you for my supplemental LED's (620-660-730 and 400nm) for first 3 of them but the 400nm will be a mere...
  19. Z

    Temperature problem with CXB Cobs

    You could put the figures into.;... https://dl.dropboxusercontent.com/content_link/HpdMHJdr764eTeu448eHyl1wjgtWECgEZdX8ZduVgWIUQO8xT4xMNpOx5ra1fvoP/file?dl=1 It's the COB calculator created by one of the members... sorry forgotten the name... Hope it helps. I got... CXB3590CD36V3500K 1...
  20. Z

    Ready made modul cree 3590

    https://pdgrow.en.alibaba.com/productgrouplist-803099165/CXB3590_2X.html Think someone's seen these threads and reacted. And this is sort of what you describe...
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