Originally Posted by brandonnash
Still amazed that a room that size can be driven effectively with only 4 15" drivers.
Bandwidth limited, I guess I can see it.
If they were relieved of any deep content, evidently they'd be ok. If I was spending the theater's money, I wouldn't have stopped at just four.
Looking at specs, each box is sensitivity rated @97dB(104dB@63), with 1kw continuous, 2kw program handling. That places each box around
130dB, four like powered cabs adds 12dB at all collocated frequencies,...give or take as acoustic summing indoor is tricky business. Approx. ~142dB,.... minus proximity losses, plus whatever boundary and whatever PVG gains may come into to play(wouldn't be that significant given the hi-pass and large room dimensions).
It'd be great to have someone from Danley comment, as I'm just pulling those numbers out of my