Another Cree CXB3590 DIY thread

Djloud

Djloud

Active Member
Lopez7808 said:
I was under the impression that you can only run 5 cxb3950s at 36 volts per cob. That's what I seen on the spreadsheet that's posted? Are you running them at forward voltage of 36 volts??
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Yea, im running 4 cobs per driver. An hlg 185h has forward voltage of 143. And since at a lower drive current than the led was really designed it really pulls more like 35.5 volts. In witch that fits 4 perfectly
 
ttystikk

ttystikk

Well-Known Member
Djloud said:
Yea, im running 4 cobs per driver. An hlg 185h has forward voltage of 143. And since at a lower drive current than the led was really designed it really pulls more like 35.5 volts. In witch that fits 4 perfectly
Click to expand...
Yep. Kicks serious ass.
 
V

VegasWinner

Well-Known Member
you can mix 2- 5000K and 2- 3500k on a four COB fixture. I did and it works great. I use 5000K for veg and 3500K for bloom, LED, HPS, MH etc. peace
 
Lopez7808

Lopez7808

Active Member
I am getting ready to start a build a build using cxb3590s 3500k 36v CD bin and a HGL-185h-c1050a but I am thinking of adding some far red LEDs. Question is I am not sure which far red LEDs I should use?
 
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