In Reply to: yes I have a multimeter posted by frankford on March 4, 2012 at 19:15:37:
With 7.3 VAC before the 0.68 ohm resistor, what voltage to you measure across the 6550 heater with the tube plugged in?
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Follow Ups
- RE: yes I have a multimeter - TimFox 10:21:41 03/05/12 (0)