Power section of Philips RH 521 70's Calss AB Amplifier modified in:
Full Complementary Output Power Stage, Thoshiba 2SC3281 2SA1302 or Sanken 2SC3519 2SA1386
Cascode for VAS Stage
Feedback amount changed
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| Philips RH 521 Amplifier |
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| Distortion at 20Vpp |
HIFI Esprit Enthusiasts
Tuesday 15 July 2014
Philips Amplifier RH 521 Revisited Class AB 50W Project
Power section of Philips RH 521 70's Calss AB Amplifier modified in:
Full Complementary Output Power Stage, Thoshiba 2SC3281 2SA1302 or Sanken 2SC3519 2SA1386
Cascode for VAS Stage
Feedback amount changed
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