[Milsurplus] BC-348, brought 2 out of storage, past 20 or so years.

[hwhall@aol.com]

If it *only* does that when turning the main tuning, I'd bet that one or more of the sliding contacts is dodgy or there's debris between capacitor plates.

Wayne
WB4OGM

On Sunday, August 3, 2025 at 04:30:18 PM MDT, jphutch60bj <jphutch60bj at gmail.com> wrote: 

Smart people:

For both sets: When operating the Main Tuning capacitor, on any band, 
with BFO engaged, I get wobbly squeal, squeak in my audio output?

I don't recall that happening back in the day.

My thoughts are

1.    Re-Tighten the tuning capacitor down.

2.    Could be Some sort of build up between the main tuning capacitor 
and the chassis?  Clean the Cap and mounting areas

Am I sniffing the the correct direction,  if not, any suggestions as to 
the cause?

Thanks

JPH


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