Kvålsvoll Design Audio Forum

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A waterfall with 300ms range and very short rise-time at 1ms, reveals there are no resonances left, we can also see the excellent early decay attenuation and the later decay tail that is quite unique for Room2:

Comparing Room2 to the Media Room, we see the difference in decay in the 100Hz-500Hz frequency range. Same speakers - F205. This is a result of the insufficient acoustic treatment in the Media Room failing to provide enough absorption in this critical range:

Media Room left, Room2 right:

Even easier to see in the decay graph:

Media Room left, Room2 right.