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technics su-50a

  1. D

    Technics Su 50A - headphone output

    Hi. I am in possession of this amp that I only use with headphones as I don't have speakers. I have some Philips SHP-2000 headphones that I listen with. I have to turn the volume up at about 12:00 to get decent sound. On another Sansui Au-777 amp the volume is at 9:00 to get the same volume of...
  2. pakko

    National Panasonics SU-50A - first rare transistor amp 1969-Adjust

    Hey everybody! I just finished reworking a rare Technics/N.P. amp from 1969. A National Panasonic SU-50A which should be the first transistor amp from Technics at that time. The amp is running very good and the sound is surprisingly nice and smooth. I recapped the whole unit with new caps...
    • pakko
    • Thread
    • national panasonic technics su-50a
    • Replies: 35
    • Forum: DIY
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