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2230 - hum noise with Phono

Discussion in 'Marantz Audio' started by ssouci, Nov 17, 2012.

  1. bktheking

    bktheking Gitter Done! Subscriber

    Ottawa Ontario
    Ah I missed the bottom panel being off. Huge RF shield that bottom panel and since the phono board is the most sensitive input board in a receiver ya it would pickup rf since it's mounted to the bottom of the receiver.
    Catfish Phil likes this.


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  2. Karl Ty

    Karl Ty New Member

    I have that too in full volume. I think this is normal

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