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Hello, I own a MFA M-75. I have had it for over 10 years now and I don't know how to adjust the AC Pot. It's been messed with so I am concerned about it. There are three adjustment pots on the amp. One for the bias, one marked 300 volts and the other AC. I believe I know how to adjust the bias and the 300 volts. But how is the AC adjusted.
Thanks
Ken
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Topic - Help adjusting AC on a MFA M-75 - Kenrosen 11:40:04 10/02/04 (0)