so what will be the best solution for 8 cob's per 4x4 tent?
2xHLG-185H-C1400B or 2xHLG-240H-C1400B? Maybe 2xHLG-320H-C2100A?
For example: MIGRO 600 has 3x250W 2100mA drivers with 6 cob's on small heatsinks and shows pretty nice PAR map on 4x4 tent...