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In Reply to: Calculating plate dissipation posted by Jayme on January 30, 2007 at 13:34:30:
Have you biased up the heater voltage? Otherwise the upper triode's cathode is 150 volts above the heater - that can cause trouble.
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Follow Ups
- Re: Calculating plate dissipation - Jim McShane 19:44:58 01/30/07 (2)
- Yes, heaters are biased - Jayme 09:40:58 01/31/07 (0)
- Exactly! - Chris O 06:17:43 01/31/07 (0)