--- On Sun, 11/15/09, Michael Biel <[log in to unmask]> wrote:
> He would
> play two identical pressings simultaneously as a way to
> effectively (so
> he conjectured) double the length of the reproducing horn
> to improve
> bass response. I did not notice the improvement when
> he demonstrated it for me...
I'm no accoustical engineer, but it would stand to
reason that all that that would do is increase the
volume of the sound at all frequencies (if you could
keep the two sound sources in phase).