>>Stiff walls are a key to allowing the room to be pressurized, and accentuating bass notes.

This is another of those "totally obvious after someone says it, but not obvious at all until then" things. Thanks !


M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8