On 03/03/2011 23:33, sm_jamieson wrote:
My approx 9 year old AV amp started buzzing / humming sounds like
100Hz, slowly got louder until drowning out the music ! PSU caps I
should think. They are labeled "kenwood for audio".
I've got the bigs caps out,

Is there the same racket coming out of the tape monitor output?

--
Adrian C