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sony ta-4650

  1. spaghetti

    SONY TA-4650 first power on

    Hi there, I've just finished refurbishing a Sony TA-4650 VFET amp. First thing I did was remove the VFETs, they all tested fine on the DMM, so I went on replacing the suicide diodes, making the PSU voltage modification in order to center the B+/B- values, and replacing four 1.5K ohm resistors...
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