I build myself an array of 32 cob with cxm22 from luminus and found that its much less risk of problem to use passive cooling instead of active cooling, especially when you have so many cobs. I would choose to what wattage you want to run your CXM32 than find a heatsink that can radiate the wattage...

and ofc.

second question is

2x 36-48inch thermal sink (4each) (with 1-2fans/ or without?)

or shall i go for 60x single COB cooler (example https://www.digikey.cz/product-detail/c ... D/10414922)
for each. - cooled or not?

I am kinda first-timer on this1, any help/advice is welcome. I am playing with configuration of the whole set, deciding between CV or CC 2x480h-54a (4cxm32 each) // or 4x240h-54a (2each) or building them on 240h-c-2100b(2COBs)/eventually 480h-c-2100b(4Cobs) as these components come the best at the p...

Hello there, I am putting together few lamps (up to 4,2kWs ish) so 700/piece and could you an experts opinion/advice about the setup I came up with. so here we go: 6x CXM32 gen4 (4 of them driven by HLG-480h-2100c / another 2 by HLG-240h-2100c ) lens i was looking at Stella WSM/HB from LEDIL. Heatsi...