Revox help

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  • miner
    Senior Member
    • Mar 2005
    • 900

    Revox help

    My B-I-L has a Revox integrated amp (45w/ch) that he bought new in 1984. He has develpoed a problem that I can not diagnose. He seems to have a 'crackling' in one of the channels, or so we thought. When he reversed the channels (amp has a reverse channel function knob) the crackling was coming from the same speaker (right speaker 'A' pair {ADS L-710}). Ah ha, so it is the speaker you say. Problem is it is also making the crackling sound from his 'B' pair right speaker, even with the 'A' pair off. Since it is not channel-relevant or speaker-relevant what could it be? I am baffled.

    Interconnects would indicate channel-relevant as would speaker cable.
    Last edited by miner; 27 December 2005, 17:20 Tuesday.
  • Karma
    Senior Member
    • Nov 2005
    • 801

    #2
    HI,
    Rather than using the switch to reverse channels, physically change them on the rear of the amp. Indication so far is the problem is in the reversing switch or relay.

    Sparky

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    • miner
      Senior Member
      • Mar 2005
      • 900

      #3
      Originally posted by Karma
      HI,
      Rather than using the switch to reverse channels, physically change them on the rear of the amp. Indication so far is the problem is in the reversing switch or relay.

      Sparky
      OK, update. When he listens to his tuner the 'noise' is not there. He has told me he is using high-dollar ICs. I was beginning to think it may be a bad voice coil in his speaker (ADS L810). But even when he has these off the noise is in his right 'B' speaker. We are both dumbfounded even more now.

      Comment

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