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  1. Kempo

    4 ft 70 w samsung custom aluminum pcb strips

    I understand your point but i see a difference between selling a professional light (lot more safe) and a diy light. Its the same phenomen when Supra shared his found and test on arctic 11 alpine heatsink for cxa3070/3590 and some people decided to sell diy fixture (4x3070 on alpine arctic +...
  2. Kempo

    4 ft 70 w samsung custom aluminum pcb strips

    You tell us its another leech and sell guy, dafuk this forum. I have no problem making $$$ when you have expertise but come on what willl happen next, the "experts" won't share anymore their found on spectrum, CRI, thermal management, fearing leechers making money on their work. Its like waiting...
  3. Kempo

    4 ft 70 w samsung custom aluminum pcb strips

    Chill, i think he will obviously share the link. Im looking forward the thermal management. Very nice work buddy !
  4. Kempo

    Led Users Unite!

    Obvious its not the best light, please dont advertise for crap product.
  5. Kempo

    Best cobs for 2,4m x 1,2m?

    Do you think there is a perfect correlation between effiency and yield ?
  6. Kempo

    LED Companies w/ LINKS

    If i use the same diodes (different number) on PCB (different size) im I copying you ?
  7. Kempo

    MOD 420 Horticulture COB Lighting

    Very nice, the frame is in aluminium ? How many millimeters ? Again very nice work.
  8. Kempo

    Are these leds any good

    if its for a party they are nice.
  9. Kempo

    How many Cree 3590's to = 600 watt or 1000 watt HPS

    sorry to hijack this thread but how many sausages = a good barbecue party ?
  10. Kempo

    Calling all COBs, Calling all COBs, come in number crunchers are you receiving?

    Tme delivers citizen cobs only in Poland, i tried to find a Polish company to recive my order then deliver me but without success. If someone got a trick, feel free to pm, i just need only 4 cobs.
  11. Kempo

    Citizen COBs with suplementation ssl80

    Kingbrite really sell citizen cobs ? ? Im from Europe that such a pain to find some seller here.
  12. Kempo

    Anyone us a LightingPassport spectrometer?

    Please dont feed the troll.
  13. Kempo

    New to LEDs

    Dont listen this new mad angry member, he tried to sell us some scammy stuff. Anyway it will be good to see the offers on this public post not pm with some explanation because im interested too.
  14. Kempo

    Anyone us a LightingPassport spectrometer?

    Welcome to the forum ! it's look like a nice disguised advertising.
  15. Kempo

    DiY LEDs - How to Power Them

    Hi, i have a problem, i plugged my 4 alpines on a netbook power supply in parallel (all blacks wires together and same for red). Its seem like i burnt them :(. I dont understand
  16. Kempo

    What saves more money?

    Check your contract, or you can find some info on google with the company name. You will find the price/watt. Try to start after 10pm when people start going sleep.
  17. Kempo

    REALSTYLES DOES IT AGAIN!!!!!!

    How much do you save on ?
  18. Kempo

    IF you are new to LED and want help choosing what to buy, POST HERE!

    Hi, Is it a good idea to buy some cxa2520 3k and 5k (good bins) for 5$ each ? My first choice was cxb3070, i know its better but it seem the 2520 is very cost effective at this price. I want to run them @500ma.
  19. Kempo

    DiY LEDs - How to Power Them

    Thank you a lot.
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