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  • en 6c33 single ended triode amplifier

    Description: My brother and I have build two 6C33 SET (single ended triode) 15 Watt Class A amplifier. This is a very nice amplifier with a very pleasant warm...
  • en 5.1 surround volume control

    Description: My brother and I are building a 5.1 (6 channel) volumecontrol with OPA134, PGA2310, black gate and polypropylene capacitors. We have finally started this project up, the code...