In Reply to: RE: Mastersound 300B (Vaic) posted by Wojciech on November 10, 2022 at 13:49:33:
At 400v plate to filament, 84v bias gives 80mA; into 2500 ohms power is 12.5 watts at 3% second harmonic - all this is from the WE data sheet. That seems likeliest, given 500v power supply, cathode bias, and 12 watts claimed.
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- RE: Mastersound 300B (Vaic) - Paul Joppa 20:58:11 11/10/22 (0)