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Fitting an RCA Line level controller

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  • Fitting an RCA Line level controller

    So i've pretty much got everything going in my soarer, and mostly finished**
    See this thread: http://www.mp3car.com/newbie/142492-newbie-here.html
    But i'm wanting to utilize the stock volume knob to control the .. volume
    Rather than try to use a USB to gameport adapter and wire in the knob to that, i'm going to try using one of these: http://www.hifisoundconnection.com/S...id/0/SFV/30046

    My question is.. As the PC in in the boot, and the knob is in the dash, would it be better to run an RCA cable to the front and wire in the controller up there, and then run an RCA cable back to the AMP?
    Or would it be better to leave the controller in the boot near the AMP, and run 3x hookup wires from the volume knob back to the boot?

    Thanks in advance.
    Last edited by Sledge1; 04-20-2012, 07:12 PM.

  • #2
    that volume control does not have separate modules, so if you want the volume control up front, you need to run 2 pairs of rca's up front.
    My OLD 2001 Mitsubishi Eclipse GT:
    "The Project That Never Ended, until it did"


    next project? subaru brz
    carpc undecided

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    • #3
      the plan is to remove the pot from it and wire in the knob from the front...
      probably should have mentioned that first

      But what do you mean by separate modules?
      Last edited by Sledge1; 04-20-2012, 07:13 PM.

      Comment


      • #4
        ah, then your second idea would work.

        by a second module, i mean a controller like the jl audio cl-rlc preamp/volume control-- where the preamp portion is controlled by a remote-mountable knob:
        http://www.crutchfield.com/S-oMnkrs6...io-CL-RLC.html
        My OLD 2001 Mitsubishi Eclipse GT:
        "The Project That Never Ended, until it did"


        next project? subaru brz
        carpc undecided

        Comment


        • #5
          Originally posted by soundman98 View Post
          ah, then your second idea would work.

          by a second module, i mean a controller like the jl audio cl-rlc preamp/volume control-- where the preamp portion is controlled by a remote-mountable knob:
          http://www.crutchfield.com/S-oMnkrs6...io-CL-RLC.html
          I sure wish the cl-rlc wasn't so spendy, I need 3 of them for the boat.
          TruckPC - gutted, being used for test setup
          BoatPC - All in 1 in cuddy, N7 using VNC on dash, RR
          BlazerPC - Nexus 7 with Timur's USBROM

          Comment


          • #6
            Originally posted by soundman98 View Post
            ah, then your second idea would work.
            Thank you, but which way would be best to minimize problems and signal degradation etc?

            Comment


            • #7
              neither. the signal passes through the pot, so your either making your own extensions, or your using premade rca cables to extend it. the signal will have similar degradation from either method.

              by extending the pot, you should be able to keep a smaller wire, which will make it easier to install, but that is about it..


              btw, i run 4 of the rlc's in my car
              My OLD 2001 Mitsubishi Eclipse GT:
              "The Project That Never Ended, until it did"


              next project? subaru brz
              carpc undecided

              Comment


              • #8
                http://www.ebay.com/itm/Axxess-Unive...7940%26ps%3D54
                CarPc
                Project "Driver"

                Planning [99.9%]

                Parts Collected [98.5%]

                Installation & Fabrication [98%]

                Total Completion Level [96.9 %]

                http://www.mp3car.com/vbulletin/work...ct-driver.html

                Comment


                • #9
                  Originally posted by soundman98 View Post
                  neither. the signal passes through the pot, so your either making your own extensions, or your using premade rca cables to extend it. the signal will have similar degradation from either method.

                  by extending the pot, you should be able to keep a smaller wire, which will make it easier to install, but that is about it..


                  btw, i run 4 of the rlc's in my car
                  i think the CL-RLC does more than i want it to? line driver = in line AMP?? i just want to attenuate the volume remotely with my stock knob.. correct? (still learning what i need to as i need to..)
                  Or would using one of these be better? even though it looks harder to hook up..

                  Edit: hrmm JL Audio CL-RLC not available here in Aus anyway..
                  Will need to find similar or just try a cheapy.. http://www.jaycar.com.au/productView.asp?ID=AA3078
                  Last edited by Sledge1; 04-22-2012, 01:39 AM.

                  Comment


                  • #10
                    is this little device a descent alternative to go from the mini headphone jacks of the pc onboard sound card and output it to an amp? and provide volume control?

                    Comment


                    • #11
                      Originally posted by Sledge1 View Post
                      i think the CL-RLC does more than i want it to? line driver = in line AMP?? i just want to attenuate the volume remotely with my stock knob.. correct? (still learning what i need to as i need to..)
                      Or would using one of these be better? even though it looks harder to hook up..

                      Edit: hrmm JL Audio CL-RLC not available here in Aus anyway..
                      Will need to find similar or just try a cheapy.. http://www.jaycar.com.au/productView.asp?ID=AA3078
                      all of the above are the exact same thing, just a different outer case/manufacturer.

                      the main difference between the above options and the rlc is output volume. if you are currently happy with the output volume of the pc, then the option you linked to before is fine. the disadvantage to it is that you need to loop the audio signal to the knob installation location and back to the amps. regardless of if you run your own cabling, or run rca's, the audio signal goes through the knob, so the loss will be the same with either method. i don't think the loss will be audible, but loss always occurs on longer runs of cabling.

                      the main advantage to the rlc is if your setup leaves a little to be desired in output volume, and you also want a external volume control. the biggest disadvantage is the price.


                      Originally posted by slociviccoupe View Post
                      is this little device a descent alternative to go from the mini headphone jacks of the pc onboard sound card and output it to an amp? and provide volume control?
                      both of the options above are 2 of the many options to go from the carpc to the amp, and include a volume control, and/or tone adjustment. neither is perfect for all situations.
                      My OLD 2001 Mitsubishi Eclipse GT:
                      "The Project That Never Ended, until it did"


                      next project? subaru brz
                      carpc undecided

                      Comment


                      • #12
                        try this http://www.sonicelectronix.com/item_...te-RSW250.html
                        CarPc
                        Project "Driver"

                        Planning [99.9%]

                        Parts Collected [98.5%]

                        Installation & Fabrication [98%]

                        Total Completion Level [96.9 %]

                        http://www.mp3car.com/vbulletin/work...ct-driver.html

                        Comment


                        • #13
                          ^same thing, different maker.
                          My OLD 2001 Mitsubishi Eclipse GT:
                          "The Project That Never Ended, until it did"


                          next project? subaru brz
                          carpc undecided

                          Comment


                          • #14
                            Originally posted by soundman98 View Post
                            btw, i run 4 of the rlc's in my car
                            FOUR? Well, I suppose I could step up for the boat.

                            1- cockpit mid/high (1 amp, 4 speakers)
                            2- cockpit subs (2 amps, 4 speakers)
                            3- cuddy mid/high (1 amp, 2 speaksers)
                            4- cuddy subs (1 amp 2 speakers)


                            actually the cuddy sub amp has a level control, so I guess I'm stuck at 3 until I add the hatch speakers or the stripper pole speakers.
                            TruckPC - gutted, being used for test setup
                            BoatPC - All in 1 in cuddy, N7 using VNC on dash, RR
                            BlazerPC - Nexus 7 with Timur's USBROM

                            Comment


                            • #15
                              yes, i run a full active setup, so i have 3 for level control for tweets, mids, and subs, and the 4th is for sub level.
                              My OLD 2001 Mitsubishi Eclipse GT:
                              "The Project That Never Ended, until it did"


                              next project? subaru brz
                              carpc undecided

                              Comment

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