| Pb10 turn off thumps ?
I very seldom switch the power off on the the back of the sub ,but when I do turn off one of the two Pb10s the other sub makes an awful powering down sound . The sound is like a subsonic rumble thats slowing to a halt and droping to a deep hz that you cant hear then the sub flutters with an awful sound like its bottoming out and stops. This happens when I turn one sub off while the other is on the sub thats on gets effected, but I just tried to make it happen again and it didnt.
Why does this happen?
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