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RE: I'm a sucker for a pretty face........ But I need biasing help

Look to see how they are connected. Good chance they are in the cathode circuit, with the center wiper towards ground. If so, you can sometimes hear tube balance by setting for minimum hum. Do this with all controls turned down. Start with the balance pot centered.

(unlike hum balance controls for the preamp, which should be set with the controls turned up)

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  • RE: I'm a sucker for a pretty face........ But I need biasing help - Alpha Al 18:45:03 11/10/14 (0)
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