01-May-2015, 16:18
(07-Apr-2015, 13:14)thumb5 Wrote: Could it be that your speakers and sub are effectively out of phase at some low frequency, so when both are full-range the effect is a cancellation at that frequency?
I had a similar problem and concluded that was the reason; at least, I got a flatter measured (in-room) response by changing the input polarity on my sub.
Yep, that's the only valid explanation.
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