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Thread: Multiple RCA Outputs - Carputer + Directed HD Radio

  1. #1
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    Multiple RCA Outputs - Carputer + Directed HD Radio

    I just got my directed hd radio receiver so now I have two RCA outputs. I would rather not have to switch between the RCA outputs so how is everyone else doing this?

    1. Carputer (mp3 output) - soundcard has phono to rca output
    2. Directed HD radio - rca outputs

    Can I just buy a Y to bridge these two together or will that cause feedback? How does everyone else do it without having to switch inputs each time?

  2. #2
    FLAC SNOtwistR's Avatar
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    I run my Directed HD to line in, XM to mic in and out through my line out on sound card to amp Not sure if this helps SNO

  3. #3
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    Interesting, thanks i will try that. I just noticed that the directed HD line output is distorting anything that I plug it into. Have you noticed a high voltage output of the directed unit causing distortion?

  4. #4
    FLAC SNOtwistR's Avatar
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    Are you using mitch's cable to control or the factory display unit. I have no distortion, but I have to keep my volume level @ 20% on the line in. SNO

  5. #5
    Maximum Bitrate jmullan99's Avatar
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    Noise might be from ground issues. There is a fix on the forums somewhere to add a ground inside the radio box. You can also try a audio ground isolator (basically RCA wires with a filter in the middle), that and the fix helped me.

    Here is the ground fix.

    I bought this isolator.

    One or the other, or both, should help. Try the various combinations. You can temporarily ground one of the ground/shield on the RCA connections to the black/ground at the power connector to try the mod before making it permanent.
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