Discover the Marshall JCM800 Modified, inspired by the legendary JCM800 that defined the sound of an era. This modified version honors the JCM800's iconic roots, celebrating its fabled status as the amp of choice for rock and metal musicians while drawing inspiration from the rich culture of modded Marshall amps. We've refreshed this world renowned legend by adding modern features, all while retaining the instantly recognizable, classic sound of the original JCM800.

Initially introduced in the 80s, the JCM800 was a hit with punk rockers and heavy metal bands alike, delivering an aggressive, high-gain sound. In the following years, it subsequently became the go-to amp for icons including AC/DC, The Ramones, Red Hot Chili Peppers and Bring Me The Horizon, solidifying its status as the amp to have.
The JCM800 Modified builds on this legacy with modern features designed for today's guitarist. It features a gain boost switch, delivering unparalleled gain and tonal flexibility, allowing you to dial in your perfect tone. Seamlessly transition from smooth, warm breakup, perfect for classic rock and blues, to commanding high-gain roars, ideal for modern rock and metal.

Want to make your solos stand out on stage? The JCM800 Modified's added mid-boost switch enhances the mid-range frequencies, bringing warmth, depth and clarity to your tone, helping your guitar effortlessly cut through the mix. With this added flexibility, you have the freedom to craft your tone exactly how you want.

The new tight switch cuts low frequencies by reducing excess bass which can occur when adding extra gain. Ideal for down tuning, fast riffs and palm-muted chords. This feature tightens your tone, delivering a punchy and well-defined sound. This ensures every note rings out distinctly, even in high-gain settings, so you can achieve a precise tone that commands attention on stage.

The JCM800 Modified brings the classic tone of the original JCM800 into the modern era by adding the tonal flexibility today's players need. With even more control, each new feature lets you craft your ideal sound, whether you're chasing smooth, warm tones or high-gain roars. Honoring the original amp legacy as a rock and metal icon, the JCM800 Modified is ready to help you bring a powerful and precise tone to every stage.

• Inspired by guitarists, created by us 
  The JCM800 Modified celebrates the vibrant modified amp culture that has influenced music for decades. This community of passionate musicians and gear enthusiasts, who customize their amps to achieve distinctive tones, has driven us to reimagine the iconic JCM800 with new features that enhance its legendary sound while broadening versatility for today’s players. 
  Anchored in the distinctive original JCM800 tone, the JCM800 Modified delivers greater flexibility, offering the classic Marshall high-gain roars and smooth, warm breakup with more control than ever before. 
  Modified amplifiers emerged from the creative experimentation of guitarists and musicians striving to develop and perfect their distinct tone and sound. Inspired by this innovative spirit, the JCM800 Modified offers the best of both worlds—iconic Marshall tone paired with enhanced control, empowering musicians to shape and refine their unique sonic identity. This amp not only serves as a tool but as a platform for the next generation of tone shapers. 
• Faithfully replicating everything you love about the JCM800 
  The Marshall JCM800 Modified pays homage to one of the most iconic amps in history, capturing everything guitarists loved about the original JCM800. 
  First introduced in the early 80s, the JCM800 defined the sound of an era. Known for its instantly recognizable punch and aggressive, high-gain tones, it was embraced by punk rockers and heavy metal bands seeking raw power. 
  The JCM800 underwent numerous circuit changes and refinements, eventually giving rise to the JCM800 2203. This evolution boasted an aggressive sound and became the heart of the JCM800's legacy with its no-reverb, single-channel design and modified reservoir caps. Its popularity sky-rocketed, and the JCM800 dominated stages as the amp of choice for genre-defining icons, including Slayer, Iron Maiden, and Guns N' Roses. 
  Though discontinued, the enduring demand for the JCM800's unique sound led to its revival in the Vintage Reissue series released in 2002, which saw the introduction of a series FX loop. The JCM800 2203 Reissue continues to be championed by a new generation of artists, such as Gregg Barnett (The Menzingers), Lzzy Hale (Halestorm), and Lee Malia (Bring Me The Horizon). These musicians, like their predecessors, have found the JCM800 a tool to express their creativity and push the boundaries of their music.  
  The JCM800 Modified captures the iconic tone of the original amp, keeping all the classic features that made it a legend, now enhanced with modern features for today's players.  
  Experience the amp that defined the sound of an era, now reimagined to faithfully  replicate everything you loved about the original JCM800. With added controls and greater tonal versatility, you have the tools to shape its legendary tone to suit any genre.
• Added features 
  The JCM800 Modified pays homage to the instantly recognizable sound of the original legend and introduces modern features tailored for today's guitarist. 
  At the heart of this modified amp lies the gain boost switch, delivering an extra level of gain and expanded tonal flexibility. With this feature, you can fine-tune your tone with ease. Effortlessly dial in your ideal tone by seamlessly transitioning from rich, warm breakup that's perfect for blues and classic rock to commanding high-gain roars that dominate modern rock and metal. 
  If you want to make your solos stand out on stage, the added mid-boost switch enhances mid-range frequencies, giving your tone extra warmth, depth, and clarity. This feature lets your guitar easily cut through the mix, ensuring every note is heard loud and clear. With this enhanced level of tonal control, experience total freedom to shape your sound precisely to your liking, letting your creativity take center stage. 
  The tight switch is another essential addition, expertly designed to cut low frequencies to produce a clearer, more focused sound. This is ideal for those rapid-fire riffs and palmmuted chords, delivering a punchy, well-defined tone that ensures every note rings out distinctly, even in high-gain settings. 
  With the JCM800 Modified, you're not just getting an amp; you're getting a tool that allows you to explore new sonic territories while honouring the iconic legacy of the original JCM800. Whether you're crafting intricate solos, powerful rhythms, or anything in between, this amp gives you the versatility and control to shape its legendary tone for any genre. 
• Longstanding commitment to craftsmanship 
  Just like its legendary predecessors, the JCM800 Modified is skillfully crafted in our Bletchley, England factory, and captures the essence of Marshall’s storied legacy while integrating modern features tailored to push sonic boundaries. Our dedication to quality craftsmanship and long-lasting design ensures that the JCM800 Modified is not just a reissue; it’s a tribute to our rich heritage, created for today’s guitarists. 
  While rooted in our rich heritage, the JCM800 Modified is designed for today's guitarists while staying true to our commitment to lasting quality. Whether you're on stage or in the studio, this modified iteration delivers the same legendary tone that defined an era, while providing tonal versatility and flexibility players need to push their creativity. The JCM800 Modified is the perfect blend of classic and modern features and is a true reflection of our commitment to quality craftsmanship and the JCM800's enduring legacy.