MXR SF01 Slash Octave Fuzz Pedal

Retailing in the region of £179.99

On the menu for January 2026 are the MXR Guitar Pedals, freshly added and carefully selected. These New units are available to order online with fast, secure delivery from trusted UK retailers. Read on for full details, specifications, demos, videos, reviews, and the best places to buy the MXR Guitar Pedals today.


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On the menu for January 2026 are the MXR Guitar Pedals, freshly added and carefully selected. These New units are available to order online with fast, secure delivery from trusted UK retailers. Read on for full details, specifications, demos, videos, reviews, and the best places to buy the MXR Guitar Pedals today.

The MXR Slash Octave Fuzz offers up a plethora of gritty, nasty fuzz tones with an option of dialing in a buzzing up-octave and/or a sub thumping down-octave. Internal ‘set and forget’ controls are included for tone and gain to give you a chance to really personalise your pedal exactly as you like it!

Here’s what MXR Say about the Slash Fuzz Octave

Two legendary and timeless icons of rock music—Slash and MXR Innovations—have teamed up to deliver the Slash Octave Fuzz. It features a searing Fuzz tone coupled with a separate Sub Octave voice and an Octave Up Fuzz, all for thickening up your tone with a sinister growl. With an array of external and internal controls, there are numerous ways to combine the main Fuzz effect’s thick ’70s shag with the chainsaw grind of the Octave Up Fuzz and the warm growl of the Sub Octave. Internal Gain and Tone pots shape the Octave Up Fuzz effect. Featuring custom Slash artwork and a distressed hot-rod paintjob, the Slash Octave Fuzz features all analog circuitry, true hardwire bypass and comes in a heavy duty housing with durable jacks and switches.

Additional information

Weight 0.5 kg

Brand

MXR

MXR is a renowned manufacturer of guitar effects pedals and audio electronics, recognized for their classic designs and high-quality sound. Established in the 1970s, MXR has played a significant role in shaping the landscape of effects pedals, producing iconic units that have become staples in countless musicians’ rigs. The company’s pedals are celebrated for their rugged construction, intuitive controls, and versatile tones, making them popular among guitarists and bassists across genres.

MXR’s product lineup encompasses a wide range of effects categories, including distortion, delay, modulation, and more. Some of their most notable pedals include the Phase 90 phaser, the Dyna Comp compressor, and the Carbon Copy analog delay, all of which have earned legendary status among players for their distinctive sound and reliability. With a legacy of innovation and a commitment to quality, MXR continues to be a respected name in the world of guitar effects, inspiring musicians to explore new sonic possibilities and express themselves creatively.

Category

Guitar Pedals

Tags

Fuzz

A fuzz pedal is one of the earliest and most aggressive forms of distortion, turning your clean guitar signal into a thick, saturated wall of sound. It works by clipping the waveform almost flat, creating a compressed, gritty tone full of harmonic overtones. The result is raw, unruly, and unmistakable — from the sputtering breakup of vintage germanium circuits to the searing sustain of modern silicon designs. Fuzz pedals react strongly to your guitar’s volume and pickup choice, making them dynamic tools for expressive players.

Whether you’re chasing the classic tones of Hendrix and the Smashing Pumpkins or exploring heavy, experimental textures, fuzz remains a favourite for its personality and unpredictability. It can sound smooth and sustaining, or wild and velcro-like, depending on how it’s set up. A good fuzz pedal cuts through the mix while adding thickness and attitude, turning any riff or lead line into something bold and unmistakably alive.

New

This is brand new, fresh in, and a UK warranty is included. New Gear always comes from trusted UK music retailers.

Octave

An octave pedal shifts your guitar signal up or down by one or more octaves, blending the altered pitch with your original sound to create a fuller, more complex tone. It can add a deep, bass-like layer underneath your playing or a shimmering high octave on top for lead lines and solos. Classic analogue octave pedals often produce slightly gritty, organic sounds, while modern digital versions track more precisely and can offer multiple octave ranges.

Octave pedals are great for thickening single-note riffs, creating synth-style textures, or even mimicking bass parts when playing alone. They pair well with fuzz or overdrive pedals for massive, harmonically rich tones. Whether you’re after vintage Hendrix-style octave fuzz or a modern polyphonic sound that tracks chords cleanly, an octave pedal opens up a world of creative possibilities and adds real weight and character to your tone.

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