[AMPS] Re: DC on fil again...

[Roy Koeppe]

Mike asked,

   " Whilst reading all the thoughts about DC filaments, something
crossed my mind.  If we use say 6.3VAC as normal filament voltage and
switch to DC, wouldn't the DC equivalent for heating purposes be .707
times 6.3v = 4.5955VDC??? "


No,

The 6.3 VAC is in RMS, which is already the heating value equivalnet of
of 6.3 VDC.

73,   Roy      K6XK




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