Marshall Modified 2203MS JCM 800 Amplifier Head

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£2,499.00

This is the Marshall Modified 2203MS JCM 800 Amplifier Head from Marshall, listed in Guitar Pedals on guitars pedals amps and stuff.. Read More below.

Description

The iconic 2203 amp taken to the next level! Now modified with a Mid-Shift switch, a second overdrive flavour, and a “Tight” switch, you can take the era-defining Marshall sound and deliver infamous tone to the modern day.

Key Features

  • Mid-Shift Switch – When activated the controls shifts the frequencies to emphasize mid range content. The result is a fuller, fatter sound.
  • Two Overdrives – Two overdrive pedals on a Marshall amp can create interesting tones and give you more tonal options!
  • Tight Sound – The tight switch produces a tighter, snappier low end.

Electronics

  • Power: 100W
  • Channels: 1
  • Controls: High & Low Inputs, Pre-Amp Volume, Tight Switch, Master Volume, OD I/II Switch, Treble, Mid-Shift Switch, Middle, Bass, Presence, Standby Switch, Power Switch
  • Outputs: 2x ¼” Jack Speaker Outputs, Selectable 16/8/4 Ohm Load
  • Effects Loop Return
  • Effects Loop: 1x Serial Switchable

Valves

  • Preamp Valves: 2x ECC83, 1x ECC83 (Phase Splitter)
  • Power Amp Valves: 4x EL34

Unit

  • Weight: 20.5kg
  • Width: 740mm
  • Height: 315mm
  • Depth: 210mm

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About the manufacturer

Marshall

Marshall is a legendary British amplifier brand that defined the sound of rock music with its unmistakable power, grit, and presence. Founded by Jim Marshall in London in 1962, the company quickly became synonymous with the roaring tones of the 1960s and 70s, used by icons like Jimi Hendrix, Pete Townshend, and Slash. Known for their iconic “stack” design and warm overdrive, Marshall amps deliver the punchy, dynamic sound that has powered countless stages and recordings. From classic valve amplifiers to modern digital models, Marshall continues to embody the spirit of rock’n’roll—loud, bold, and timeless.

More info about this Product

Guitar Pedals

Guitar pedals are compact effects units that shape and enhance a guitar’s sound, sitting between the instrument and the amplifier. They include gain pedals like overdrive and distortion, modulation effects such as chorus and tremolo, time-based effects like delay and reverb, and essential utilities including tuners, compressors and loopers. Understanding basic things such as pedal type, signal order, power requirements and intended use helps players choose pedals that suit their style, setup and playing environment.

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Overdrive pedals add warmth, grit, and natural compression to your tone, capturing the feel of a pushed tube amp. They respond dynamically to your playing, offering everything from a light bluesy crunch to full, saturated rock tones. Perfect for boosting solos or shaping your core sound, an overdrive pedal brings character and life to any setup. Whether you prefer vintage smoothness or modern bite, these pedals are essential for players who want expressive, touch-sensitive drive with plenty of personality.