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Thread: Radar Detector Output tapped into and over the AUX and Tuner.

  1. #1
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    Radar Detector Output tapped into and over the AUX and Tuner.

    I have a Cobra 9870 Radar Detector, and it has an external audio 1/8 jack on it, and I would like to utilize this feature. Ideally I would want the audio to be overlayed over the tuner and auxilary sources, but am not to sure as to how to do this. Could I somehow splice the speaker cables and tap it there? Does anybody have any ideas?

  2. #2
    Jesus Freak antimatter's Avatar
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    Can you be more specific? I am kinda unclear on your final goal.

    Cant you just get a Y splitter.

    what are you planning to do with the audio? Just play it over you speakers?

    What is this tuner you are talking about? Radio tuner?
    -Jesus- King of Kings Lord of Lords

  3. #3
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    Yes, tuner is the radio tuner. I want to have the radar bleeps and blips that come out of my detector to be played over my speakers, all while listening to the Radio, PS2, etc.

    Get it?

  4. #4
    Jesus Freak antimatter's Avatar
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    Why not just use a Y splitter.

    After rereading your original post it is aparant that you need to describe your sound setup before anyone can help you.

    In the future you can get answers faster if you take the time to be specific with you hardware setup and problem in your initial post.

    I have no idea what your setup is and even if you have a computer in your car.

    My main question is what drives the audio... head unit or computer???
    -Jesus- King of Kings Lord of Lords

  5. #5
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    The audio is driven by a variety of sources, depending on what I am listening to at the time!

    The head unit is used for radio and cd, and when I want PS2 or Computer, I flip it over to the AUX source mode, and then in the glove box I have a home theater system selector that has 4 inputs that I can switch onto the one output.

    But, I really don't think my SPECIFIC setup really matters that much, the concept is what I am going for. I want to be able to hear my radar detector through my car speakers LOUD, while listening at the same time to whatever was playing.

    Example:

    I am rocking out to my winamp song's. Cop is half mile away and is radaring. Radar Detector picks up radar signal, displays "Ka Band" on the LED Display, and beeps. The "Beeps" are outputted from the external audio jack to my car speakers, and the beeps are beep, beep, beeping while I am listening to the music, at the same time.

    The problem doesn't lie in getting the beeps to the speakers, I can already do that by plugging the external audio jack into the AUX of my head unit. But doing it that way will not allow me to listen to the radio while the radar is going off--AUX would have to be on at the same time.

    The problem is getting them both to play at the same time.

    A Y splitter is for splittling the OUTPUT of something, isn't it? I need to "split" (more like combine, because it is the other direction) the INPUTS.

    Make sense now?

  6. #6
    Variable Bitrate Pokey's Avatar
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    What you need is a mixer, which allows you to overlay two (or more) audio tracks onto one output. Google for mixer, they have these small projects that use just one opamp for two input, one output.

  7. #7
    Jesus Freak antimatter's Avatar
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    How can one conceptualize (without wasting ones breath) if they don't know your SPECIFIC setup.

    In this case I want to know even more information than you provided becasue I think the answer lies in the amplifier that you have (or don't have)

    Let me clarify. THe only way to "overlay" the radar detector is to by pass your head unit and input into your amp. The reson that I need to know more about your amp is because the currecnt amp that you have may not have two inputs. In that case you can use some sort of Y splitter.

    You may get undesirable results though so the best way to go is have the output of the head unit and the radar detector go into some kind of hardware equilizer or mixer with two inputs so that you can adjust the gain on both to the most desireable level

    Good luck
    -Jesus- King of Kings Lord of Lords

  8. #8
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    Well DAMMIT antimatter, you pushed me for it, so here is my setup

    Sony Headunit
    4 Rockford Fosgate Punch 6.5s
    8" Bazooka Tube Subwoofer
    Sony Laptop
    7" Ebay Screen


    I am not running an amp, straight from the HU. I assume this makes it even more difficult.

    The mixer idea sounds promising, yet without an amp it might not work.

    Does anybody have any other ideas?

  9. #9
    Maximum Bitrate fantomas's Avatar
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    you should be able to jsut use a y splitter for the aux...but for radio and cd i dont think theres a solution without using an external amp..
    rebuilding carpc... kinda..

  10. #10
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    Well.. If your running a carputer then simply run the output of the radar to the line in of the puter.. Then setup the windows mixer to concurrently output wave/directsound and your line in... This will not work if your listening to the headunit's CD or tuner..
    radar>puter>headunit>speakers
    Just a thought.. Or get a really LOUD radar

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