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speaker hum

  1. T

    Speaker Hum - Pioneer sx1000TW

    Need help to isolate and eliminate speaker hum when connected to Pioneer SX1000TW receiver. Hum is present regardless of source - even when no external source is connected. Hum constant level, volume regardless of volume setting. No interference or ground loop issues I can find. No leaky caps...
  2. Donal64

    Yamaha RX-V1400 Speaker hum

    Haven't used this receiver a whole lot. I had noticed a hum from the speakers a while back, and thought I had got rid of it, or maybe I just forgot about it. Anyway , I noticed it again recently. The hum is what appears to be a 120hz hum, and is from the speakers only. It is from all the...
    • Donal64
    • Thread
    • 120hz hum rx-v 1400 speaker hum yamaha
    • Replies: 2
    • Forum: Yamaha
  3. G.Wess

    Help with Realistic QTA-720

    Bought one of these just to hear what Q-vox sounded like and found the front right channel either squeals or just hums depnding on other settings. But no sound on that channel. Good Stereo sound through rear speakers with headphones and speakers. Anyone able to help point me to a service maunal...
    • G.Wess
    • Thread
    • qta-720 radio shack realistic speaker hum sta-77a
    • Replies: 8
    • Forum: Solid State
  4. L

    Left Speaker Hum

    HELP!! Please. Should I have continuity on the cartridge from left positive to left negative? It is only a blip compared to the positive left to positive left. There's no "bleed" on the right connections. Is this a difficult fix? What should I do? This is on a Trans Audio 1800 from the 70's. Thanks
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