More Echoplex EP3 Preamp Circuit Tests (Clips)

Discussion in 'Effects, Pedals, Strings & Things' started by JubileeMan 2555, Feb 3, 2012.

  1. JubileeMan 2555

    JubileeMan 2555 Member

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    So after I converted my EP3 to the earliest circuit. I had a few questions in my head. Simply, why did they change what they changed.

    So i built a switch into my EP3 that approached the circuit in two sections.
    A) Input circuit
    B) Post transistor Circuit

    I then wired it so one way would have the circuit as a STOCK first run EP3, and then throwing the switch would create a hybrid circuit with second run input circuit, and a first run post transistor circuit.

    I got interesting results.

    I found i kept the boost given by the EP3 preamp that really helped keep notes stuck together, but was given a clearer/transparent more bitey sound. This is what I personally want since I found EP3 preamps to slightly dull the guitar sound. This may not be for everyone, since many like the stuffier sound, but I found it to be unnatural and I wasn't quite happy with it in the signal path all the time:

    EP3 Bypassed

    EP3 Stock First Run Circuit


    EP3 Hybrid Circuit


    (*Les Paul into Elmo Overdrive pedal used for overdrive before EP3 into Clean Marshall head and '74 creambacks)
     
  2. Rumblur

    Rumblur Member

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    Any chance for a single coil guitar through a clean amp so we can actually hear the EP3 and not the rest of the gear?
     
  3. JubileeMan 2555

    JubileeMan 2555 Member

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    I'll see what I can do. But this test was to help me, and this is how I would run this setup 90% of the time. And since its still a controlled experiment (i.e. bypassed EP3) one should still hear what is going on.
     

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