Marshall

JCM800 2203 MS-01 Modified Head

Brand New from Official Marshall Dealer

The Marshall JCM800 2203 is one of the most iconic amplifier designs ever produced, delivering the unmistakable sound that defined hard rock and heavy metal throughout the 1980s. This brand new UK-built example has been upgraded with Marshall’s sought-after MS-01 modification, providing increased versatility and gain while retaining the aggressive character and dynamic response that made the original 2203 legendary.

Built in Marshall’s Bletchley factory, the 2203 combines the raw authority of a 100-watt EL34 power section with a straightforward single-channel layout. The addition of the MS-01 modification expands the amp’s tonal range, offering enhanced preamp gain and improved flexibility for modern players without sacrificing the punch, clarity and feel that have made the JCM800 a benchmark for over four decades.

Specifications

• Model: JCM800 2203 MS-01
• Output: 100 Watts
• Made in England
• Mains Voltage selector for Worldwide use.
• Single Channel Master Volume Design
• 4 x EL34 Power Valves
• 3 x ECC83 / 12AX7 Preamp Valves
• High and Low Sensitivity Inputs
• Effects Loop
• Multiple Speaker Outputs
• Selectable Impedance
• Marshall Factory MS-01 Modification
• Full Marshall Manufacturer Warranty
• Can be supplied with either Black or White Marshall logo.

Tone

At its core, the 2203 MS-01 remains everything players love about a JCM800. Tight, percussive low end, aggressive upper-mid punch and exceptional note definition combine to create one of the most articulate high-powered valve amplifiers ever built.

The MS-01 modification adds additional gain on tap, allowing the amp to move effortlessly from classic rock crunch into saturated hard rock and metal territory without relying heavily on external overdrive pedals. Chords remain focused and powerful, while lead tones sustain beautifully with the harmonic richness and cut that have made the JCM800 the weapon of choice for generations of professional players.

Whether paired with a traditional 1960 cabinet or one of Marshall’s Handwired speaker cabinets, the result is a huge, authoritative sound that excels both on stage and in the studio.

Condition

This amplifier is brand new, unused and supplied in immaculate condition complete with original packaging, documentation and full Marshall manufacturer warranty.

Why Buy From Overdrive Guitars?

As an Authorised Marshall Retailer, every new Marshall amplifier we supply comes with full manufacturer backing and support. We specialise in Marshall amplifiers and maintain a dedicated showroom in West London where customers are welcome to try equipment at volume by appointment.

Worldwide Shipping

We ship amplifiers worldwide every week using trusted couriers including UPS and DHL. Every amplifier is professionally packed, fully insured and tracked from dispatch through to delivery. Collection from our West London showroom is also welcome by appointment.