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72-73 Marshall Schematic

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  • 72-73 Marshall Schematic

    Heh all, first post here!

    Can anyone point me to a good 50 (or 100) watt 72-73 Ali Panel schematic?

    It's the gainier/brighter sibling to the Plexi. Have hit a number of sites, but nothing so far (or maybe I'm just missing it?!)

    Thanks!

    Dave

  • #2
    you've already tried places like schematic heaven and the plexi palace?
    "Stand back, I'm holding a calculator." - chinrest

    "I happen to have an original 1955 Stratocaster! The neck and body have been replaced with top quality Warmoth parts, I upgraded the hardware and put in custom, hand wound pickups. It's fabulous. There's nothing like that vintage tone or owning an original." - Chuck H

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    • #3
      For schematics, yes. Schematic Heaven has a 1987, but the schemo was drawn in 1970.

      Plexi Palace has schematics? I haven't posted there yet, but did some searches.

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      • #4
        I dunno if they have them online, but I'm sure that somebody at plexi palace would have a metalface schematic.
        "Stand back, I'm holding a calculator." - chinrest

        "I happen to have an original 1955 Stratocaster! The neck and body have been replaced with top quality Warmoth parts, I upgraded the hardware and put in custom, hand wound pickups. It's fabulous. There's nothing like that vintage tone or owning an original." - Chuck H

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        • #5
          try Dr.Tube also. If you're into Marshalls, I would buy a copy of The History of Marshall by Michael Doyle. It doesn't have everything but it's a good base. A lead amp from the period you describe would usually have a '69 type split cathode lead circuit with 100k feedback R, perhaps a linear taper for the volumes--not too different I would think (though nothing ever seemed to be set in stone with Marshalls--different parts brands, odd values, small variations, etc.).

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          • #6
            http://www.drtube.com/schematics/marshall/2203u.gif

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            • #7
              layout like this?

              http://www.ceriatone.com/images/layo...0Ceriatone.jpg

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