Quote:
Originally Posted by Amraduk
If a valve amplifier ... the mains and high voltage secondary windings will be much higher and probably very similar in resistance.
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Not necessarily though. On the Quad II valve amp, for example, the 250V mains winding is about 12 ohms end-to-end whereas half of the 315-0-315V HT winding is 60-odd ohms if I remember correctly.
Cheers,
GJ