On Wed, 5 Feb 2014 11:28:15 -0500
Joe Hartley <jh(a)brainiac.com> wrote:
That said, if you're listening to old Beatles stereo mixes, the bass
will only be on one channel (left, usually) and if you've sent the
right to the DAC, there's not much for the sub. I'd try and convert
the signal to mono for the sub feed.
This suprised me as I had heard that for vinyl it is particularly
important to have mono bass to prevent the needle jumping :-)
ie
http://www.customrecords.com/prepare_music_for_vinyl_record.html