In article om,
wrote:
Actually the OP was saying car speakers. If they are in the doors or
facing each other (one in the dash the other on the rear, they need to
be out-of-phase.

Not so.


If they are side by side, then they need to be
in-phase.

At least that bit's correct.

--
*I get enough exercise just pushing my luck.

Dave Plowman London SW
To e-mail, change noise into sound.