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power amp issue

  1. B

    DENON POA 1001 (Power Amp) buzzing

    Hi, Just bought a nice DENON POA 1001 power Amp. I love this 22kg baby But it is buzzing. Here are the result of investigations : - The amplifier itself is buzzing, the sound in the speaker is good, there is no significant hum. - Buzzing is present with or without source/preamp, with or...
    • bmwz8
    • Thread
    • buzz buzzing denon poa power amp issue
    • Replies: 7
    • Forum: DIY
  2. Traverso

    Marantz 4240 power amp issue

    I am here with a 4240 and faulty P800s. Some output transistors H001 to H004 are dead and I am looking for a replacement part The installed parts are SD315D and available at some Ebay but quite expensive unit price. Any TO 66 equivalent ? Any TO 220 replacement? What reference may I use...
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