Marshall Modified 2203MS JCM 800 Amplifier Head

£2,699.00

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 […]

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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

Amp Heads

An amp head contains the core tone and power of a guitar amplifier without the built-in speakers, allowing you to pair it with the cabinet of your choice. This setup offers greater flexibility over sound and volume, as different speaker cabinets can dramatically change the feel and character of the amp. Amp heads are available in valve, solid-state, and hybrid designs, ranging from low-wattage studio models to high-powered touring rigs. They’re ideal for players who want a modular setup, precise control over their tone, and the ability to adapt their rig to different venues, cabinets, or recording situations.

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