@linky nice build, im new to leds but i think ive found numbers with the hlg-480h-c1400 that may impress. The 480h-1400 runs between .700ma-1400ma @420v open circuit. So the vero 29 at 1400ma should require aporx. 34.3 forward voltage to run. 420/34.3=12.2 cobs that can fit. A vero 29 @1400ma...