[HAM] Squeaking

Edlich57 at aol.com Edlich57 at aol.com
Mon Mar 5 14:32:44 CST 2007


"Hello Guys,
Thanks a million for the information on where to oil my C-3.  I have another 
problem, there's this squeaking sound coming form my Leslie, and PR-40 when 
I'm playing.  Is this something I can fix, are do I need a tech. 

Thanks,
F Al. Cason"
 
I rarely (never) reply to electronic questions, but in this case I bet the 
squealing is due to a microphonic tube in the Hammond preamp.  Same thing 
happened to me a few years ago, squealing through both my A102 console speakers and 
Leslie 251.  Problem was a tube in the Hammond preamp gone microphonic.  
Lightly tap on the tubes and listen for static/echo/squealing.  Replacing the tube 
should be a cheap fix. 
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