Is Bass Non-Directional In A Two-Channel Rig?

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In the old days of analog only, the answer was yes. Drive by a bar/dance club at night and you will only hear/feel the bass....sometimes the voices...but try to hear a cymbal..."
Irrelevant. That has to do with sound absorption issues.

Kal

The basic anwser is yes, bass is non directional in an any channel rig, but at different frequencies for different people. Some people start loosing the ability to discern where bass comes from as high as 120hz, by the time you get to 80 hz, no one can tell where it comes from.

I've got one sub near side wall, plane is slightly behind me, and another next to one of my mains. Both crossed well below 80Hz they work very well and direction is unnoticable.

Try putting the sub in a corner...

"Try putting the sub in a corner..."

Only if you want to excite all the primary modes of the room.

Kal