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  1. #1
    AR Newbie Registered Member
    Join Date
    May 2010

    Question musical fidelity a3.5 amp hum

    I bought a musical fidelity a3.5 amp recently. I noticed sometimes it hums. What the problem? any solution? thanks.

  2. #2
    Suspended markw's Avatar
    Join Date
    Dec 2001
    Noo Joisey. Youse got a problem wit dat?

    You're gonna have to be a little more explicit than that.

    How loud is it? Do you have to crank it and get real close to the speakers to hear it?

    Does it do it on all sources?

    Does the volume control have any affect on it?

  3. #3
    Silence of the spam Site Moderator Geoffcin's Avatar
    Join Date
    May 2003
    Hum is usually a ground fault problem. When you say it hums sometimes, does a hum happen when your using a specific source? If so then the SOURCE is the cause, not the amplifier.
    Ming Da MC34-AB 75wpc
    PS Audio Classic 250. 500wpc into 4 ohms.
    PS Audio 4.5 preamp,
    Marantz 6170 TT Shure M97e cart.
    Arcam Alpha 9 CD.- 24 bit dCS Ring DAC.
    Magnepan 3.6r speakers Oak/black,

  4. #4
    AR Newbie Registered Member
    Join Date
    May 2010

    Smile Speaker noisy

    Problem resolved. I check the information of the cd, that kind of low frequency noisy is from the breathing of the piano player. I used a cheap Amp before, I never felt so obvious. Thanks for the reply.

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