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Post subject: Need help with buzzing amp
Posted: Fri May 20, 2016 5:44 pm
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Joined: Fri May 20, 2016 5:35 pm
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Hi there amp users!
I have a Fender Acoustasonic Junior amp that my dad got from a friend. It recently started making a strange buzzing sound like that of a quiet motorcycle. The noise persists even when there are no cables plugged into it, and it continues even when I turn the volume all the way down. It remains with each of three electrical outlets I have tried. However, when the amp is picked up and put down hard on the floor, the noise changes speed and tone, gets quieter, louder, and sometimes stops altogether. That has been the only way to get it to stop thus far. Any ideas would be great!


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Post subject: Re: Need help with buzzing amp
Posted: Sat May 21, 2016 12:21 am
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Joined: Fri Feb 05, 2010 4:31 am
Posts: 14049
Location: Province de Québec, Canada
IMO there are one or some broken solder on printed circuit board or broken / bad connexion.
If you don't have any skill in electronic bring it to a qualified tech.
Or you may open it and looking if you see something loose or ....

Schematic here;

http://support.fender.com/schematics/gu ... ematic.pdf


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