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pioneer 650

  1. L

    Pioneer SX-650 issues / Speaker pairing

    I’ve seen other threads on here warning about pairing 4ohm speakers with the 650. It’s currently being serviced and I have to replace the output Ic (SP-40w) that’s causing the protection relay to go off. I have a nice pair of ADS bookshelf speakers from the 70s that are labeled as “nominal 4ohm”...
  2. M

    Spica TC-50 + Amp Question

    Hi everyone, Pretty new to the forum and just dipping my toes into vintage audio equipment, so please be forgiving if I am a bit naive. My current set up includes a Pioneer SX-650 receiver paired with Polk Tsi100 bookshelf speakers, with a Pioneer PL-520 turntable. Everything was bought on a...
    • mepenete
    • Thread
    • pioneer 650 pioneer pl 520 question spica
    • Replies: 7
    • Forum: Speakers
  3. Ren Rivers

    Pioneer SX-650 Problems

    I have a Pioneer SX-650 that I love, but it started clicking even with no volume, and if I turned up the volume, it would play for a few minutes, and then it would click and lose sound, and then come back in a short time, or sometimes longer. I cleaned all of the pots, and done everything I...
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