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Marshall JCM800 50 Watt head

This is a Marshall JCM800 50 Watt head. Same FranknTone design as used for the 1959T Super Tremolo mod, but 2*EL34, 2 Mastervolume levels switchable for High Gain and LoGain(Plexi).

3 channel JCM800

  • 4 * 12AX7, 1 * 12AT7, 2 * EL34, Solid State Rectifier
  • Gain Stages and Controls (all channels share one common tone stack)
    • 3 channel (by footswitch)
      • 1st channel: Classic Fender Clean tone, bright, twangy and very smooth (2 tube stages), a little hotter than usual, Marshall Tone Stack, no Master Vol
      • 2nd channel: Plexi Tone, 3 gain stages, Marshall Tone Stack, no Master Vol
      • 3rd channel: lead, Marshall high gain tone, dedicated tone stack for this channel only (treble/bass), 2 switchable dedicated Master Vol, 4 gain stages
    • Controls: Ch1(Clean): Vol, Ch2 (Plexi): Vol, Ch3: Gain, Tone (treble/bass), Master Vol.1, Master Vol.2, Common: Treble, Mid, Bass, Presence, FX Send/Return, Speaker 4/8/16 Ohms Selector
  • Power Amp: Fixed Bias, 50 Watts
  • Fully tube buffered parallel FX Loop
  • Printed Circuit Board due to complexity
  • Built-in PowerSoak to reduce output power to 25%

MP3s

6 Demos by Pete and 2 by Rainer Humpert

MP3-Player

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