Building my first COB light

sato108

New Member
Hi guys, I'm just getting back into growing and looking to upgrade my lights. My previous light was a inda-gro 420 mainly due to heat issues in my previous growing space. I've been reading and researching cob LEDs and think that's the way for me to go. I think I have the gist of it but want to run my ideas by you more experienced members and get feedback/suggestions. I'm very green on this, so please bear with me. I want to do a 9 cob set up for a 5x5 space. I was thinking of the Citizen CLU048-1212 CRI90. 133mm heatsinks,
MeanWell HLG-320H-C (should i run one driver at 700ma or 2 at 1400? Is there a driver that will do all 9 at 1400?). For the LEDs, I see they're full spectrum but still have color temps. I want to use the light for both veg and flower. Can I run all the cobs at 4k or 3500k? Or should I do a combo 5 cobs at 4k and 4 cobs at 3k?

Thanks in advance!
 
There is no need to do a combo of lights, that's the great thing about these light is they are full spectrum in 1 light, the 3500k 90cri has all of the red of 3000 and 80% of the blue of a 5000
420-magazine-mobile614941615.jpg
 
After much debate, I think I'm going to go with the Luminous CXM22. I was planning on 12 chips at ~75w with a dimmable driver. Which would be the best driver to use to power them?

Would 2 of the MeanWell HLG-185H-20B do what I want? Or should I be looking at a beefier driver?

Output current is 9.3a.


All of the help is greatly appreciated!
 
To your first question, yes there is a driver to run 9 clu048 1212 at 1400mA, HLG-480H-C1400B but you will get up to 436w(each cob at 48.4w approx)
About CXM22 the minimum voltage is 48, if you want to run them around 75w you will need 1560mA. HLG C series have a constant current closer to your needs of 1400mA and 1750mA, the 1400mA will give you 48V x 1.4A=67.2W and the 1750mA, 48V x 1.75A=84W
The 133mm x 70mm can dissipate up to 50W properly(better 40W)
All I said is just for reference only, the actual ouput power will vary depending on if you change the minV, typV or maxV in the formula.
 
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