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I was planning on going with a Hlg240 1400B with 4 COBs. BTW, do the clu048 and Cxm22 share the solderless conector?? I'll try and go with parallel... PD: why is a 320 better than a 240 if is just 4 COBs on it? 320 is 25bucks more expensive, on 5 drivers is 125bucks more... Is it worth it?

Humple, thank you for everything, I'm looking at the CXM-22-35-80-36-AC10-F3-3 Just 12€ a piece, this would make my investment way cheaper, lol. What amperage do you recommend? PD I've heard about lm301B diodes but I don't really get into it...

What I need... Is to pay a big capital in the beginning, so I will get my money back every month with the electricity bill (as I will use this instead of HPS) so I wouldn't mind paying a bit more if a get a more efficient product.

Let me just get it right, other manufacturers offers the same at better price, which translates into a better deal. But these manufacturers are not BETTER than Cree... Right?

How many luminus for a 8x4? What amperage? All my life researching for the cxbs now I need to start all over Cxm22 or 32

The COBs are 20€, that's half a price I will have a look see if I can find the holder, reflector... Do you really advice me skipping the famous cxb3590? My main point big yields with minimum electricity expense. How many cxm22s wd u put for a 8x4?

Always wanted to tried them, heard they were very efficient electricity wise. So you think running 20cobs in a 8x4 tent at a 1.4A I'd be OK? I'm thinking maybe putting 5 COBs more in a future, but 20 to start with.

Not really dirt cheap... 42€ for 3500k 52€ for 3000k (guess it's not worth it) And I'll get the Arctic alpine 11 pro v2, I get for like 10€ in my local dealer, iceled rounding 17€...

As I will be using it only for flowering, I was planning to put on each 4 COB fixture, 2 3500K and 2 3000k chips. What do you guys think? Maybe all of em 3000k? Should I mix them?

Sorry the link is dead, any chance on getting the calculator?

BTW, should I get the 80 or 90 cri?

I have this one CXB3590-0000-000N0HCD35G. It says max current 3.6A. By the way looking for heatsinks, they are offering me this heatsink for 9 dollars, would it do its job? Looks quite good. Or should I spend 20 on an active one? So should I go with a 1700 2000mA with this heatsink?

Sorry u missed my last post haha

As I'm planning to make fixtures of 3 COBs, I can not connect 4 to a driver, in that case I will be forced to dim the light so it doesn't run at 2.2A. Maybe a hlg240 42b would be a better option? BTW, What amperage I should be aiming for? Talking about fixtures, as it's a rectangle, 8x4ft, I...

Sorry, this driver has 6.7A, if I connect 3 in parallel I would have 2.2A on each COB? Or what amperage would be the COBs running at?

I'll stick to the COB man... I am now planning on putting 18 COB, 9 on each 4x4. So what amperage should the driver have? I will buy 6 meanwell hlg240 to power every 3 COB. I was wondering how would they work at a 1700mA amperage. What amperage do you recommend me for flowering? This being said...

I just found the active iceled heatsink here in my country!! It's 45°c/w, running them at 1750A Shouldn't be any problem right? And also just read your comment airwalker... Why u telling me that? I suppose I would get a better price-quality product if I do it myself than buying it. Cxb3590...

Corey, actually yes. I have been looking to passive heatsink and good ones are very expensive, so I decided to go for an active one. I saw that you people use Arctic coolers (read on threads) what do you think about Arctic alpine 11 pro Rev 2? It's around 12 13 bucks, and supposed to cool a 95w...

Hi there! I'm writing from Spain, do you ship over here? I'm interested on some cxb3590, with heatsink, adapter and lens. I would need 8 of em

Airwalker, doing that I would have the maximum energy efficiency but not enough light for my tent, I would have to use the 2100A to properly light it. Correct? And, ISAWTHELIGHT, would you give me a reference number because as I live in Europe, shipping from USA is so expensive so I try to buy...