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Multi-In, Multi-Out Switch Needed

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  • Multi-In, Multi-Out Switch Needed

    My FM Modulator sucks! It does a decent job as FM Modulation goes, but that still isn't good enough. I really like my HU so buying a new one (with AUX IN) does not sound like a plan to me.

    Since I'm not using my stereo internal amp, but rather using 2 amps (one for front, one for back) I thought maybe there is a switch out there that would allow me to simply choose my source.

    http://www.stevieg.org/d.php/mr2carpc/build.html
    I saw this guy doing the same thing I want to do (although with 1 amp) and wondered where I could get a switch similar to him.

    I need it to take 8 inputs and have 4 outputs.

    Anyone know of anything like this? Thanks in adavnce!

    -Brad
    83 mp320i 285k
    -Brad
    83 mp320i
    99 mp323i
    _________

    7" Lilliput w/Touch, 150 W Opus, 2.4ghz P4 533fsb, 512 DDR 333mhz, GPS, WiFi Inet, 40g Maxtor 7200rpm, Laptop DVD/CD-RW w/USB2.0 Bridge, WinXP Pro.

  • #2
    4-pole changover or 4-pole double throw is what you are after:

    http://www.maplin.co.uk/products/mod...343&Products=1


    Rob
    Old Systems retired due to new car
    New system at design/prototype stage on BeagleBoard.

    Comment


    • #3
      So they make an 8 pole version? I ask because I started thinking .. I need double the inputs and outputs.... with every RCA cable there is the signal and a GROUND.. argh!

      Since there's 2 RCAs to each amp (4 wires), and I have 2 amps (so 8 wires) and I need to switch between Signal A and Signal B (16 wires) .... I need to then output all 4 RCAs (2 to each amp .. 8 wires).. So I need an 8-pole changeover.

      Lets see what I can find...

      Thanks!

      -Brad
      83 mp320i 285k
      -Brad
      83 mp320i
      99 mp323i
      _________

      7" Lilliput w/Touch, 150 W Opus, 2.4ghz P4 533fsb, 512 DDR 333mhz, GPS, WiFi Inet, 40g Maxtor 7200rpm, Laptop DVD/CD-RW w/USB2.0 Bridge, WinXP Pro.

      Comment


      • #4
        Just tie all the grounds together. I don't think you need to switch the grounds, only the signals, so 4 pole would be good enough. I only switch signals in my headunit mod to add an aux-in:

        Aux-in mod


        Rob
        Old Systems retired due to new car
        New system at design/prototype stage on BeagleBoard.

        Comment


        • #5
          Putting all the grounds together still leaves me with 5 signals .. the 4 audio signals and the ground. Maybe I should find a 5-pole throw?

          -Brad
          83 mp320i 285k
          -Brad
          83 mp320i
          99 mp323i
          _________

          7" Lilliput w/Touch, 150 W Opus, 2.4ghz P4 533fsb, 512 DDR 333mhz, GPS, WiFi Inet, 40g Maxtor 7200rpm, Laptop DVD/CD-RW w/USB2.0 Bridge, WinXP Pro.

          Comment


          • #6
            You tie the grounds together, and be fine with a four-pole. Me I'd get tvo four-pole instead
            -
            My cars
            -

            Comment


            • #7
              I see what you're saying .. I think .. I can tie all the grounds together and there'll be no need to send them into the switch....

              -Brad
              83 mp320i 285k
              -Brad
              83 mp320i
              99 mp323i
              _________

              7" Lilliput w/Touch, 150 W Opus, 2.4ghz P4 533fsb, 512 DDR 333mhz, GPS, WiFi Inet, 40g Maxtor 7200rpm, Laptop DVD/CD-RW w/USB2.0 Bridge, WinXP Pro.

              Comment


              • #8
                Exactly.
                Old Systems retired due to new car
                New system at design/prototype stage on BeagleBoard.

                Comment


                • #9
                  Hmm .. Maplin is a UK company -- I can't seem to "checkout" and have the switch mailed to the US .. where else can I find this gizmo? Radioshack sucked and didn't have any...

                  -Brad
                  83 mp320i 285k
                  -Brad
                  83 mp320i
                  99 mp323i
                  _________

                  7" Lilliput w/Touch, 150 W Opus, 2.4ghz P4 533fsb, 512 DDR 333mhz, GPS, WiFi Inet, 40g Maxtor 7200rpm, Laptop DVD/CD-RW w/USB2.0 Bridge, WinXP Pro.

                  Comment


                  • #10
                    Digikey?
                    Old Systems retired due to new car
                    New system at design/prototype stage on BeagleBoard.

                    Comment


                    • #11
                      On my pioneer headunit you're not supposed to tie the grounds together, so read the manual if it tells you to not
                      -
                      My cars
                      -

                      Comment


                      • #12
                        He's not doing this to a headunit as its an switch selector for inputs to an amp.

                        The pioneer internal amp is able to bridge the rear two channels to power a low power 2ohm sub. Means that you can't tie the ground outputs together.
                        My CarPC install piccies http://www.celica-club.co.uk/cgi-bin...at=561&thumb=1

                        Comment


                        • #13
                          I know what he is doing, it might not be suitable to tie the grounds together anyway, better to be on the safe side, right?
                          -
                          My cars
                          -

                          Comment


                          • #14
                            Is this what I want?

                            http://www.digikey.com/scripts/us/dk...106&Row=288886

                            -Brad
                            83 mp320i 285k
                            -Brad
                            83 mp320i
                            99 mp323i
                            _________

                            7" Lilliput w/Touch, 150 W Opus, 2.4ghz P4 533fsb, 512 DDR 333mhz, GPS, WiFi Inet, 40g Maxtor 7200rpm, Laptop DVD/CD-RW w/USB2.0 Bridge, WinXP Pro.

                            Comment


                            • #15
                              no, that says rotary switch
                              [H]4 Life
                              My next generation Front End is right on schedule.
                              It will be done sometime in the next generation.
                              I'm a lesbian too.
                              I am for hire!

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