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In Reply to: RE: 500c buzzing power transformer posted by Michael Samra on March 29, 2014 at 18:16:04
Amps that I've worked on with heavy mechanical buzzing or vibration sometimes benefit from re-lacquering the laminations. Some ppl have inserted rubber bushings to isolate the tranny from the chassis, reducing the buzz from resonating into the chassis.
Here's a photo of some such arrangement. Maybe, it'll help.
Follow Ups:
Steve
Yes,that can work..Ebay many times has Fisher 500C power trannies that people throw on there for 50 to 75 dollars from 500c and 800c carcasses they have parted out.
Honest amplification is better than excessive 2nd order distortion anytime.
Thanks for sharing.
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