The hlg-185h-48a (the a version maxes out at 4.27A, and the regular and b version maxes out at 3.9a) would run each board at approximately 49V @ 2.1A. 49V*2.1A=102.9w theoretically. You would get around 200w max and dimming. 185h-48b, or regular with a potentiometer, would run each board about 48.5...

Right on! Thanks @jolly green. Yeah thats what I was thinking as far as getting one pot right under each one. Would the larger heatsink in the XW kit deal with the heat better as opposed to two singles? Like if I were to mount the driver right on top. Also I see what your saying on the hlg 185. Woul...

Hey ya'll Great forum! Been reading a lot on here lately and educating myself as I get ready for my first DIY build. Thanks to LEDGardener and all the super in-depth info, I'm feeling pretty confident. One question I have tho, that I haven't seen much talk about is the orientation of the boards in a...