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Last question (for now) regarding the QB288: R(ed)Spec or B(lue)Spec? I was leaning towards the red but any opinions would be great. Again, this will be for a small 2x2x3-4' space. Frank - I've gone WAY past motivated and into eagerly awaiting my next start!

I'm not on 220v so the 120-48A is out along with the c1400 (70w isn't enough). Sounds like the QB288 is the winner and Frank's photo gets me really excited! Thanks for all the input folks.

I want to get one of the QB96's to run in a small tent. I already have two drivers from previous builds, HLG-120h-48A & HLG-120h-1400B - any chance I can use one of them to power one QB96? They are both right at the driver limits. My backup plan is the QB288. A little more expensive but it looks...

Thanks for the input! No real reason... I'm a little pressed for space and one driver is smaller and simpler (and I won't be upper the wattage for a while). I like the SE's because they are easier to mount since they have actual mounting holes on them. And mostly because I want to try something...

I'll simply my questions a little - any one know if you can use different voltage COBs in parallel?

I currently have 2 Luminus CXM-22 COBs (CXM-22-35-80-54-AC30-F4-3; 51.5v 1.1a typical) being driven by an HLG-120h-48a and it has been working fine in my 2x2 tent. However I would like add 2 more COB to balance out the light. I've got my eye on the Bridgelux 29SE (BXRC-35E10K0-B-7x-SE; 52v,1.8a...