Vintage Synth Repair

--- In vintagesynthrepair@yahoogroups.com, "Mark Anthony"
<kramwaler_1@y...> wrote:
> I have a Hammond C-2 comming through a Leslie and lately its been 
> making a noise that I can only describe by compairing it to the noise 
> made by one clearing their throat. Something else that may be 
> significant, the organ needs to be played for at least five minutes, 
> before the noise occures. Also, I can volume down and noise will 
> subside. I have sprayed the reastat, with no positive results. If 
> someone has succussfully dealt with this or a similar problem, I will 
> very much appreciate any tip that might help........ Thank you very 
> much, Mark, from Missouri.............

Which Leslie do you have? If it is a tube type most likely it is the
rectifer tube which is a OC3 in a 147. I had the same trouble with one
of my 142s and it was the OC3 tube. Hope this helps.

Best Regards,
RockTheNight