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  1. #1

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    Join Date
    Dec 2013

    Default Single cable Amp out put to sub with stero input.

    I have this older Amp, a JVC RX-5030V, and i just bought a Polk speaker package, Polk RM-705. Now, a detail that i missed when matching up the specs on these two products is the fact that the amp has a single 'Sub Out' and the Sub has a right and left input RCA input, is this something that i need to be worried about?

    Advice Please.

  2. #2

    Member Sales Rating: (0)

    Join Date
    Aug 2013
    Abbotsford BC


    KJC, nothing to be alarmed about, consult the sub documentation, it'll tell you how to hook it up correctly for your application.
    Living Room Evolved
    Onkyo TX-NR717
    Parasound HCA-1200II
    Polk Audio RTi A7 Black Front
    Polk Audio RTi A3 Black Rear
    Polk Audio CSiA6 Center
    Transparent Audio Music Wave Biwire cables > Mains
    Canare 4S11 >Center
    Audioquest Evergreens on most of the analog connections
    Tannoy TS2.12 Sub
    Marantz CD6004
    Pro-Ject Debut Carbon Piano Black TT
    Parasound Zphono Phono Preamp
    Apple Mac Mini
    Apple TV 3rd Gen
    Sony PS3 160Gb/Microsoft XBox 360
    Insignia 55 inch 120Hz TV

  3. #3

    Member Sales Rating: (0)

    Join Date
    Nov 2008
    Bismarck, ND


    It's cheap and will get you up and running. You will still need a RCA cable though.
    AVR-Onkyo TX-NR808
    Front amp-Adcom GFA 555>Polk Audio LSi9's(Vr3 Castle Mods)
    Center amp-Adcom GFA 5400>Polk Audio LSi9 bi-wired(Vr3 Castle Mod)
    Surrounds-Polk Audio F/X500's<Onkyo TX-NR808
    Sub-Velodyne SPL-1000R

  4. #4

    Member Sales Rating: (1)

    Join Date
    Jun 2003
    Southeastern Michigan


    I think with most subs it's fine to just plug the subwoofer cable into the left input. Set the receiver's subwoofer level to -4, say, and adjust the subwoofer's amp to your liking. Now maybe your particular subwoofer is different, but most of the time you don't need to connect to both left and right inputs.

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