The 2555X is a faithful recreation of the original. A classic Marshall tube array of three ECC83 preamp tubes and four EL34 power amp tubes drives the works. The no-frills front panel consists of knobs for presence, bass, middle, treble, output master, lead master, and input gain. Two of the knobs have push/pull functions: The output master can be pulled out to change channels in lieu of a footswitch, and the input gain can be pulled to activate the rhythm clip function, which adds an extra gain stage for dirty rhythm tones. Next to the power and standby switches on the front panel, there’s a low/high output switch that gives you the option of pentode (50 watt) and triode (100 watt) operation.

Marshall 2555X Specification

  • Output wattage 100w (with power reduction option, 50w)
  • Outputs Speaker outputs: 5 x 1/4″ jack sockets (16Ω load / 8Ω load / 4Ω load)
  • Inputs 1 x 1/4″ instrument jack input, footswitch
  • Controls Presence, bass, middle, treble, output master, channel select, lead master, input gain
  • Effects None
  • Effects loop Yes, Send/Return
  • Preamp valves 3 x ECC83
  • Power amp valves 4 x EL34

Marshall 2555X Schematics (Variant Watts)


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