In article , Keith G
writes

"Don Pearce" wrote

The MP3 has virtually identical hum on both channels - it certainly
doesn't have anything like the disparity that the scope picture shows.

http://www.donepearce.plus.com/odds/keith_screen.jpg



Yes and the waveforms are the same height in SoundForge, so I'm suspecting
the scope and/or leads atm. (No big deal, the scopes only a learning tool
atm.)





If U get really stuck run it over to Cambridge Keith ve haf ways of
de-'umming valve amps:-))
--
Tony Sayer