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I always transfer in stereo and then process digitally to mono. Helps me pick the quietest channel, or pieces therefrom, to work with. Mfro ******* Lou Judson wrote: > What about bringing the two channels together for mono? No doubt it > was recorded in mono... > > <L> > > Lou Judson • Intuitive Audio > 415-883-2689 > > > On May 14, 2009, at 9:38 AM, Malcolm Rockwell wrote: > >> Odd that this phasing observation should arise now. >> I have been transferring some mono 1930s ARC test pressings in stereo >> and noticed that the two signals were seemingly out of phase. I >> initially thought it might be an incorrectly wired cart, but that >> turned out not to be the case. Next I looked at the record groove - >> normal. Then I looked at the signals on the computer again. The >> run-in to the musical content IS out of phase (that's where all the >> rumble shows up), but the musical signal itself is in phase! >> Shelving at around 80 Hz and notching at both 60 and 120 Hz should do >> the trick without adversely affecting the program content. I'm going >> to try that. >> Mal >> >> ******* > >