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  1. Moonwatcher

    Calrad tube tuner (c. 1965) with volume imbalance

    So this gutsy sounding little Calrad 202 tube tuner has a problem: the right side is far less gutsy than the left, and there is definitely a channel volume imbalance. Because I could immediately see that they were mismatched and not exactly what is called for on the chassis, I tried replacing...
    • Moonwatcher
    • Thread
    • 202 calrad channel imbalance fm mpx tube tuner
    • Replies: 2
    • Forum: Tuners
  2. Viewsonic

    Fisher Futura 201 driver board troubleshooting

    Hi, smart AK folk. Recently I have noticed a deep hum in the left channel of my beloved Fisher Futura 201 receiver. This hum does not change w/ the volume, it’s always constant, and present with all inputs (aux, phono, tape, etc.). I swapped the L&R driver boards, and what do you know, the hum...
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