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External spring reverb unit, want to build but cant find schematics!

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  • External spring reverb unit, want to build but cant find schematics!

    I have a Sovtek Mig-50 valve head. For me it is near perfect. The only thing wrong with it is it does not have reverb.
    So, I want to make my own external spring reverb unit. Finding a reverb tank is no problem, but finding the schematics is! I cant seem to find any schematics to allow me to make an in-line external spring reverb unit.

    Yes I could buy a Marshall Reflector pedal or something similar, but i want to build something myself, and I want analogue spring reverb rather than digital reverb. Fender make a valve reverb unit, but it costs near $1200.

    Any help would be greatly appreciated. Thanks in advance
    Amps: 15 Watt DIMCO valve amp made in New Zealand in the '60s, Fender Performer 1000, Sovtek Mig-50.
    Guitars: Fender USA American Standard Strat and Tele, LTD MV-200 (Modded), Ibanez S Series (modded), and cheap Cort acoustic with Fishman.

    Play hard, sound good

  • #2
    There just aren't many stand alone analog reverb schematics out there. I think that Craig Anderton had published one once and there may have been a few others.

    Try R.G.'s geofx site or one of the many DIY sites to see what you can find.

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    • #3
      http://www.paia.com/proddetail.asp?prod=6740K

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      • #4
        Originally posted by 52 Bill View Post
        There just aren't many stand alone analog reverb schematics out there. I think that Craig Anderton had published one once and there may have been a few others.

        Try R.G.'s geofx site or one of the many DIY sites to see what you can find.
        While there are certainly considerably fewer reverb schematics than fuzzbox schematics, there are actually quite a few serviceable circuits out there. Forrest Cook has a couple of nice ones that you can find here: http://www.solorb.com/elect/musiccirc/

        There is always the Anderton Stage Center Reverb that you can find a board layout for here: http://www.generalguitargadgets.com/...d=43&Itemid=26 or here: http://gaussmarkov.net/wordpress/cir...spring-reverb/

        EDIT: beat me to the punch about the PAiA Hot Springs. Another good project.

        You can also find lots of circuits at the website of the company you'll be buying the reverb pan from: accutronics


        There was an excellent project in Electronics Today International with a built in limiter that I need to scan one of these days.

        I might also point out that a great many amplifier schematics contain perfectly viable reverb circuits that can stand alone. You just need to ask what parts to leave in and out, but we can help with that.
        Last edited by Mark Hammer; 02-22-2008, 07:54 PM.

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        • #5
          You could always build a Fender Reverb. Stand alone unit you plug in front of the amp.

          WHo cares what Fender charges for a unit THEY made. You wanted to make your own didn;t you? Not a lot of expensive parts in there.
          Education is what you're left with after you have forgotten what you have learned.

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          • #6
            Originally posted by Enzo View Post
            You could always build a Fender Reverb. Stand alone unit you plug in front of the amp.

            WHo cares what Fender charges for a unit THEY made. You wanted to make your own didn;t you? Not a lot of expensive parts in there.
            Well, thant's what i want to make. But, I would need the schematics to build it, or at least a unit I can look at to copy off, but that would mean I would have to buy one anyway, because I don't know anyone who owns one.
            Amps: 15 Watt DIMCO valve amp made in New Zealand in the '60s, Fender Performer 1000, Sovtek Mig-50.
            Guitars: Fender USA American Standard Strat and Tele, LTD MV-200 (Modded), Ibanez S Series (modded), and cheap Cort acoustic with Fishman.

            Play hard, sound good

            Comment


            • #7
              Just do a little research - the schematics for all of the classic Fender amps are freely available - as is the case for the reverb unit:

              Schematic
              http://www.ampwares.com/ffg/schem/reverb_6g15_schem.gif

              Layout
              http://www.ampwares.com/ffg/schem/re...g15_layout.gif

              Or, if you prefer Weber's interpretation:
              https://taweber.powweb.com/store/5g15_schem.jpg

              Layout
              https://taweber.powweb.com/store/5g15_layout.jpg

              (Weber offers a kit)...

              Between the schematic & layout, you have all the info necessary to build one - and the reverb unit is one of the easier tube builds out there...

              Rich

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              • #8
                mpeg has provided links.

                Just to see, I did what I always do when I don't have someplace to start, I entered "Fender Reverb Schematic" in google.

                First hit was this http://www.pedaldoctor.com/Repairs.html with some useful interior photos.

                A couple more links on google show the schematic
                Education is what you're left with after you have forgotten what you have learned.

                Comment


                • #9
                  Hey Enzo and Mpeg, thanks heaps, that's exactly what I was looking for!
                  Amps: 15 Watt DIMCO valve amp made in New Zealand in the '60s, Fender Performer 1000, Sovtek Mig-50.
                  Guitars: Fender USA American Standard Strat and Tele, LTD MV-200 (Modded), Ibanez S Series (modded), and cheap Cort acoustic with Fishman.

                  Play hard, sound good

                  Comment

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