(Limited quantity available while XLG-200-H-A drivers in stock)
The Four panel QB-180v2 has
-576 x Samsung LM301B diodes
At only 45W per panel, this fixture is very efficient.
It should do well in an 80x80 tent.
For 3000K spectrum, according to the Samsung LED Calculator, the fixture has an approximate efficiency of 197.4lm/W pre-driver, and 183.6lm/W after driver losses, giving it 2.6uMol/J efficacy.