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  1. #1
    Forum Regular
    Join Date
    Dec 2003

    Is this noise normal?

    I recently bought a Rotel RB-1070 2x130 Power. When the amplifier is on, even there are no interconnects or speaker cables are connected to the amplifier, there is a really quiet noise coming from the amplifier. I can hear it within 1/2 meters if I pay attention and I can hear it clearly when I put my ears on the amplifier. It's some kind of a buzzing noise. Is this normal?

  2. #2
    Forum Regular
    Join Date
    Feb 2002
    There is something living inside. Or it is a fan. Or a loose hold down nut on the power transformer. Or gremlins.

  3. #3
    AR Newbie Registered Member
    Join Date
    Feb 2004


    i have magnetic field power amps there is a hum thay are on i have 4- M-1,0t carvers bridged. 1000 watts rms each. If thay are playing good it is normal transformer noise what type of amp is it intergrated or what? or is it grounded good!

  4. #4
    The Collector
    Join Date
    Sep 2003
    Springfield, MA
    take it apart and push down on the power transformer and if that stops the noise then tape it in place. if it doesn't then it's just a noisy amp. i just had this problem yesterday with a BGW amp that was going to be installed in a studio and a little gaffers tape fixed it nicely.

  5. #5
    Suspended topspeed's Avatar
    Join Date
    Jun 2003
    Check your ground. Does your power cord have 3 prong (grounded) plug? If so, try a cheater plug (25 cents) and see if that helps. You could very well just have a noisy amp. It happens so no biggie.

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