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Questions about tubes and gear that glows. FAQ

Re: Manley Stingray and bias.

Not a problem with your tubes. The negative bias voltage has a hard stop probably at -19 volts to prevent ham fisted owners from cooking their amps. It is a simple adjustment to lower the grounding resistor off of the bias pot. It is a $1.00 fix if you can do it, probably $50 at your favorite home theater salon.
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