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  1. C

    Phase Linear 3000 Ser II relay sub for the HB2E-DC24

    Sorry, Forgotten long time ago, ....
  2. C

    Phase Linear 3000 Ser II relay sub for the HB2E-DC24

    By ear only... Like trying LT1115 opamps for MM-riaa; did not have less noise (in this circuit), nor did they sound better... Arne K
  3. C

    Phase Linear 3000 Ser II relay sub for the HB2E-DC24

    Yes, psu caps & a few in signal-path was changed for better...bi-polar types. -after some trial, BB OPA228 were used for MM-riaa. MC opamp were left alone (special pinout). NJM2060 & OPA4227 used for line-level, stock for headphone out. Arne K
  4. C

    Phase Linear 3000 Ser II relay sub for the HB2E-DC24

    HB2E-DC24 I restored a 3000 SII , using "cheap" HB2E-DC24-relays sourced from far-east. Bought 2 batches x 10. Mind, they are used, even if seller claim "new"... Arne K
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