RCA connectors picking up interference on my amp

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  • ht_addict
    Senior Member
    • Dec 2002
    • 509
    #1

    RCA connectors picking up interference on my amp

    Currently I'm in contact with Rotel regarding my 1095 that gives of a hum when connected to my pre/pro. The hum that the amp gives of is only present when my DVD player is connected to pre/pro via coax but not with optical. Its also present when my dvd/pre is connected by optical and I connect my sub to my pre/pro via a coax cable. Yet disappears once I connect a piece of cable coax to my pre/pro FM tuner connection and the other end to my Monster CATV connection. I guess this grounds everything. While doing some checking of connections as per instructions from Rotel I noticed that if I disconnect everything and only have speakers connected everything is quiet, but as I add back my RCA connections from pre/pro to amp the hum occurs. If I connect the TV coax cable as explained earlier and only have 1 of the RCA connections attached to my pre/pro I now get static through the speakers. If I place my fingers over the RCA connections on the amp I can make the static get quieter though it only disappears when all 5RCA connections are connected to my pre/pro. This doesn't sound normal to me?

    ht_addict
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