So I'm not an idiot but I am new to electric circuits.
I setup 10 luminus cxm-9 (32-37V, 320-640ma, 12-20W) in parallel on a 150W hlg-150h-36A. (32-40V max 4.2A) .
I split them into two groups of 5 and put them on two 4" x 48" pieces of 1/8" aluminum, with 3C/mK thermal grease. A theoretical...