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sansui r50

  1. bwv1

    Poof! Sansui R50 Up In Smoke

    A neighbor gave me her long-dormant, filthy, Sansui R50 receiver from the late-'70s. Before doing anything else, I cleaned the volume & selector controls with DeOxit. I connected cheap speakers, plugged it in, turned it on & poof! A distinct, loud, cracking noise and small, but acrid, plume of...
  2. R

    Sansui R-50 loud popping speakers when turning on

    Guys, when I turn on this sansui, there's a boom in the dc voltage across the speakers, sometimes 5V, 8V, 12V. After one or two seconds powered, the dc voltage drops and becomes stable at 50mV per channel. Already changed the filter caps on the power supply (2 x 6800uF 50V) and recapped the...
  3. T

    R-50 crackling when volume adjusted, one speaker at a time

    Hi guys, sorry in advance as I'm a massive noob with hifi stuff in general. I have an R50 that's fairly ancient, and it has a problem with the sound crackling and cutting out on one speaker and both when the volume is changed. The speaker affected changes when the input cables are swapped from...
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