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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Re: Biasing Fisher amp - can anyone shed light on this? posted by Tom Bavis on March 12, 2007 at 13:27:24:
There is a yellow wire that supplies the heater current to the 7591 output tubes. Then it continues to the preamp. I'd put a 240 ohm 10W (or more) resistor in that wire to the chassis? Does this correct the load?Thanks
Pete
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Follow Ups
- Do I put that resistor in the circuit to ground? Did you mean 7591's? - PeterI 10:32:22 03/13/07 (3)
- Re: Do I put that resistor in the circuit to ground? Did you mean 7591's? - Tom Bavis 11:25:29 03/13/07 (2)
- Thanks again. - PeterI 14:35:24 03/13/07 (1)
- Any suggestions about upgrading this amp welcome (nt) - PeterI 21:05:41 03/13/07 (0)
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