Question about Carver PM950 Amplifier

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Carver amp started making a low fluttering sound.

I plugged the amp directly into a socket instead of a power strip, but that didn't help.

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I have a Carver amp which developed a "hum" also. As a troubleshooting step only (long term this is NOT a solution) you can use a ground plug adapter that removes the ground lug from the unit. This is an adapter that has THREE (Line, Neutral, Ground) female sockets for the amp to be plugged into, and TWO male plugs to go into a wall socket. If the buzz goes away, you've got a leaky capacitor in the Power Supply section of the amp. It will take some doing to actually fix the problem, but this will narrow down the cause.

Posted on May 28, 2010

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