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EP Booster or EP-Pre Schematics???

Discussion in 'Burnt Fingers DIY Effects' started by Delta63, Mar 29, 2012.

  1. Delta63

    Delta63 Tele-Holic

    515
    Nov 20, 2010
    Canada
    I want to build an echoplex preamp to color my sound. I have found the echoplex schematics except the actual EP-3 preamp is running at 18volts. The EP-pre and EP-booster run at 9 volts so I won't have to find another adapter.

    So can anybody help me out?

    Thanks guys!

    Danny
     
  2. Dr. Pants

    Dr. Pants Banned

    Jun 27, 2011
    HERE
    The EP Booster is not actually an EP pre-amp.

    Apparently Brian at Mad Bean dealt with this 18v issue in his Fat Pants
    Echoplex styled booster. Check out the Madbean site for more
    info, as I believe it can be run at 18v.
     
  3. tjk3052

    tjk3052 Tele-Holic

    535
    Dec 22, 2008
    The wild wild midwest
    You could add a charge pump to get 18v from 9v.
     
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  5. TheSmokingMan

    TheSmokingMan Banned

    610
    Jan 7, 2011
    Belle Plaine, KS
    google "ep booster vero layout" ... I initially put the image up and thought better of it
     
  6. Rich_S

    Rich_S Friend of Leo's

    Dec 29, 2006
    Potsdam, NY
    MadBean's Fat Pants includes a charge pump right on the board, so you supply it with normal 9 volt power, and it creates its own 18 volts. Easiest route to an EP-style booster I know.
     
  7. Dr. Pants

    Dr. Pants Banned

    Jun 27, 2011
    HERE
    I like mine. Sounds better, and is more flexible
    than the EP Boost I had and sold.
     
  8. Delta63

    Delta63 Tele-Holic

    515
    Nov 20, 2010
    Canada
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