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  1. 3210

    Bias grounding of Stax transformers

    Wouldn't it be better for channel separation  to connect the ground of the bias to the middlepins of the transformer outputs with two separate 1MOhm resistors for each channel instead of  using just one 1M resistor for both channels (and thereby directly connect the middlepins of both...
  2. 3210

    Will the SRM252 benefit from less demanding earspeakers ?

    Seems that the SRM252 amp hasn't got the strongest power supply (guess that's mainly because of the internal high voltage generation circuit) so it should work better with the less demanding earspeakers, or?   In comparison with the SR202 (120pF incl. cable and 132kOhm at 10kHz) the...
  3. 3210

    SRM252mod

    Hallo Mark! Der umgebaute SRM-252 (siehe Anhang) funktioniert stabil. Ich habe die vier 300kohm-Gegenkopplungswiderstände gegen 220kohm/2W/MOX getauscht, dadurch reduziert sich die Verstärkung von 500x auf 345x und der maximale Eingangspegel erhöht sich entsprechend von 0,59V auf 0,79Veff...
  4. 3210

    SRM252 modification

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