Recent content by kstlfido
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Novar Spud : : A DIY Sweep Tube Headphone (and Speaker) Amp
Hi Tom- The H-K max DC spec for the 6FG7 and 6LR8 is 200 volts (heater negative to cathode). I can't imagine the cathode bias to come anywhere near that. No need to lift the heater supply. Thanks for this article, BTW. -Kent- kstlfido
- Post #4
- Forum: DIY (Do-It-Yourself) Discussions