On 05/17/2015 10:15 PM, gregz wrote:
I fixed a lady's stereo once with a cap filter on amp output, for local am
radio interference. I don't know what cab would use am cb. You can't hear
fm usually.

I had a system that would pick up the FM broadcasts of the local FM
station. I figured it was the high impedance cartridge in the turntable
that got bored when it wasn't doing its job.