zlacker

>>sberen+(OP)
50k lm is quite high. What electric power consumption does it have ? I estimate around 500 Watt, am I right ?

>>fix4fu+2F7
It's 60k lumens now, and it draws 580W off the wall

>>sberen+1I7
Am I right in thinking you're dissipating that 580W using passive cooling only?

Impressive if so - every time I've designed something approaching that power level I've ended up needing forced air cooling.