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Re: Heathkit AA-1800 power transformer + serial number

Posted by rrcrain on 12/17/2005, 9:40 am, in reply to "Re: Heathkit AA-1800 power transformer + serial number"
12.203.5.134

I happened to remember, one of my AA-1800s developed a hum, but only when mounted in the rack. It turned out to be nothing more than a ground screw that had come loose. Go through the amp and make darn sure every ground screw is clean and tight.

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Message Thread: Heathkit AA-1800 power transformer + serial number - Andrew 4/30/2005, 7:23 pm Re: Heathkit AA-1800 serial number - Gabriel 10/31/2007, 11:31 am Re: Heathkit AA-1800 power transformer + serial number - Chris 7/27/2005, 3:55 pm Re: Heathkit AA-1800 power transformer + serial number - rrcrain 12/16/2005, 1:35 pm Re: Heathkit AA-1800 power transformer + serial number - rrcrain 12/17/2005, 9:40 am « Back to thread

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