Gamechanger Audio Plasma rack effects unit

Retailing in the region of £1,249.00

On the menu for January 2026 are the Gamechanger Audio 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 Gamechanger Audio Guitar Pedals today.


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Description

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On the menu for January 2026 are the Gamechanger Audio 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 Gamechanger Audio Guitar Pedals today.

Here's what Gamechanger Audio say about the Plasma Rack:

The PLASMA RACK is a 1U sized high-end audio effects unit designed for professional and studio use. At its heart is the unique High Voltage Distortion concept – a brand new way of analog signal processing developed in 2018 by Gamechanger Audio.

Sound

By using a High voltage step-up flyback transformer, PLASMA RACK turns your instrument’s signal into a rapid series of electric discharges in a Xenon-filled tube. These powerful discharges (up to 5500 Volts) then get picked up by a specially designed electromangatec receiver and turned back into audio-level signal.  This process results in a large amount of punishingly heavy distortion, and also saturates the sound with a wide range of harmonics and overtones.

The harmonic artefacts, created as a byproduct of the high-voltage discharge are uncommon in traditional signal amplification, and therefore PLASMA distortion is unlike anything you have heard before. The way PLASMA Rack reacts with different instruments and sound sources simply cannot be recreated with any other analog machine, plugin or by digital sound modeling.

Testimonies

“The Plasma Rack is fantastic to add to guitar solos, kick and snare drum, vocals and bass! Breathtaking fuzz and buzz and the squelchy breakup that happens at the end of a note is impossible to recreate with anything else, just fantastic! Pretty much the best new piece of rack gear I’ve got in years!“ – Vance Powell (Jack White, The Raconteurs, Arctic Monkeys, Wolfmother)

“The Plasma Rrack takes the Plasma pedal a whole new level!  The extra EQ control, the pad on the input and the trem/ring mod feature will take whatever thoughts you had about distortion and manipulation to a higher level. This thing can mangle a sound like nobody’s business!” – Joe Barresi (Tool, Queens of The Stone Age, Kyuss, The Melvins)

“The Plasma Rack by Gamechanger Audio is one of the most unique effects racks I have come across. I love the gritty textures the plasma tube brings to my synth sounds and drum loops. An essential piece of kit to anyone looking for something truly unique and different!“ – Richard Devine (Apple, Microsoft, Google, Jaguar, BMW, Nike)

Specifications

Controls

  • 3 band EQ – Gives you more and control over key PLASMA frequencies.
  • Input gain control – Can be used to fine-tune the PLASMA RACK for any type of input signal (adjusting to different pickups etc.)
  • Sustain mode – Built-in adaptive compressor that lets you prolong the PLASMA Tube’s output at Low-Voltage settings.
  • Oversaturate mode – Analog Octave up / Overtone effect achieved by overpowering the PLASMA Tube.
  • Clean gate mode – Use the PLASMA Tube’s gating effect on any CLEAN Signal without the added Distortion.
  • Plasma tremolo/ringmod – A very unusual Tremolo circuit that takes full advantage of the PLASMA Tube’s sputtery and abrupt bursts.
  • Built-in distortion channel – PLASMA sound blends very well together with a classic op-amp distortion

Connectivity

  • 3 FX loops with switchable level control
  • Full midi control + 8 preset slots
  • Assignable expression input
  • Saveable utility settings

Additional information

Weight 6.3 kg

Brand

Gamechanger Audio

Gamechanger Audio is a Latvia-based boutique effects pedal manufacturer established in 2015, and recognized for its innovative approach to audio processing. The company focuses on pioneering new technologies and unconventional designs to redefine standard pedal functionality.

Their flagship products, such as the Plasma Pedal, utilize high-voltage arc discharge to produce a distinctive distortion effect, while the Light Pedal employs light-sensitive technology to control various parameters. Gamechanger Audio’s pedals are engineered to offer cutting-edge sound manipulation, incorporating advanced circuitry and novel techniques to provide unique sonic capabilities.

This emphasis on technological innovation and experimental features makes their pedals a compelling choice for musicians seeking to explore advanced and non-traditional sound sculpting options.

Category

Guitar Pedals

Tags

Compressor

Distortion

Distortion pedals take your clean guitar signal and transform it into something bigger, bolder, and full of attitude. By clipping the waveform, they add sustain, bite, and aggression, creating that thick, compressed tone that’s powered rock music for decades. From the growling crunch of classic hard rock to the tight, saturated roar of modern metal, distortion is all about energy and presence. It gives every note weight and authority, pushing your amp to its limits and beyond.

There are countless flavours of distortion, each with its own texture and edge. Some sound smooth and creamy, others raw and gnarly like tearing fabric. It’s the sonic equivalent of turning up the heat until the sound cooks — rich, sizzling, and perfectly seasoned to taste. Whether used for rhythm muscle or soaring leads, a good distortion pedal doesn’t just add volume; it adds personality, grit, and that unmistakable sense of power under your fingers.

EQ

While Ed Sheeran primarily relies on the natural sound of his acoustic guitar and vocals, he occasionally uses EQ (Equalization) to shape and enhance his tone during live performances or in the studio. EQ pedals or onboard preamps can allow him to adjust the frequency response of his guitar signal to suit the acoustics of different venues or to achieve specific tonal characteristics. Here’s how EQ might be utilized in Ed Sheeran’s setup:

1. **Tonal Shaping**: EQ can be used to adjust the balance of frequencies in the guitar signal, allowing Ed Sheeran to shape his tone to his liking. For example, he might boost the midrange frequencies to bring out the warmth and presence of his acoustic guitar, or cut certain frequencies to reduce any harshness or mud in the sound.

2. **Feedback Control**: In a live setting, EQ can help control feedback by notching out problematic frequencies that might cause the guitar signal to feed back through the amplification system. This can be particularly useful when performing in venues with challenging acoustics or high volume levels.

3. **Room Correction**: In situations where the venue’s acoustics are less than ideal, EQ can be used to compensate for any deficiencies in the sound. By adjusting the EQ settings, Ed Sheeran can tailor the guitar tone to sound more balanced and natural, regardless of the room’s acoustic properties.

4. **Matching Gear**: EQ can also be used to match the tone of Ed Sheeran’s guitar to the sound of other instruments or equipment in his setup. For example, he might adjust the EQ to complement the tonal characteristics of his vocal microphone or to blend seamlessly with backing tracks or other instruments.

Overall, while EQ may not be a central component of Ed Sheeran’s guitar effects setup, it can still play a valuable role in shaping his tone and ensuring that he achieves the desired sound in different performance environments. Whether used subtly for tonal shaping or more aggressively for feedback control, EQ allows Ed Sheeran to tailor his guitar tone to suit his musical vision and performance needs.

Expression

Expression pedals allow real-time control over specific parameters on compatible guitar pedals, such as volume, delay time, modulation depth, or filter sweep. Used with an expression input, they let players shape effects dynamically with their foot, adding movement and performance control that cannot be achieved with fixed knob settings.

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.

MIDI

MIDI pedals use the Musical Instrument Digital Interface standard to communicate with other guitar pedals, effects units, and hardware. They allow control over presets, parameters, and switching across multiple devices from a single controller. MIDI integration makes it possible to build complex, synchronised pedal setups while keeping control simple and consistent.

New

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

noise gate

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.

Tremolo

A tremolo pedal modulates the volume of your guitar signal up and down in a rhythmic pattern, creating a pulsing or wavering effect that can sound vintage and hypnotic or sharp and choppy depending on the settings. It’s one of the oldest effects in guitar history, famously used on classic amps from the 1950s and ’60s.

Most tremolo pedals let you control the speed, depth, and wave shape, allowing you to go from smooth, subtle swells to intense stuttering tones. It’s a simple but expressive effect that adds movement and character to your sound.

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