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Unlock the true potential of your tube amp with the AmpRx BrownBox, a game-changer for tone purists and professional engineers alike. This noise gate effects pedal is designed to optimize your amp's performance by managing voltage levels with precision. Many tube amps, particularly vintage models, perform best at specific voltage settings that standard 120V/AC power sources often exceed. With the BrownBox, you can safely adjust and maintain the ideal voltage for your setup, ensuring a rich and consistent sound.

The BrownBox stands out with its proprietary 5-amp transformer, offering flexible attenuation options that protect your amp and extend the lifespan of your costly tubes. With four selectable voltage-reduction modes and a convenient bypass option, you can easily A/B test the improvements in your sound. The onboard LCD voltmeter provides real-time voltage readings, making it simple to achieve the perfect setting tailored to your amp's specifications. Built to endure the rigors of touring, its braced metal chassis and protective bar ensure durability and safety.

Whether you're striving for that vintage tone or simply want to safeguard your amp's longevity, the AmpRx BrownBox is an essential addition to your gear arsenal.

Key Features:

• Optimizes input voltage for enhanced tube amp performance
• Extends the lifespan of power tubes with precise voltage management
• LCD voltmeter for easy voltage monitoring
• Four selectable attenuation modes: 3%, 4%, 6%, and 10%
• Bypass mode for quick A/B testing
• Robust metal chassis with protective bar for touring durability
• 5-amp transformer with selectable input settings: 120/122/124/126VAC

Unlock the true potential of your tube amp with the AmpRx BrownBox, a game-changer for tone purists and professional engineers alike. This noise gate effects pedal is designed to optimize your amp's performance by managing voltage levels with precision. Many tube amps, particularly vintage models, perform best at specific voltage settings that standard 120V/AC power sources often exceed. With the BrownBox, you can safely adjust and maintain the ideal voltage for your setup, ensuring a rich and consistent sound.

The BrownBox stands out with its proprietary 5-amp transformer, offering flexible attenuation options that protect your amp and extend the lifespan of your costly tubes. With four selectable voltage-reduction modes and a convenient bypass option, you can easily A/B test the improvements in your sound. The onboard LCD voltmeter provides real-time voltage readings, making it simple to achieve the perfect setting tailored to your amp's specifications. Built to endure the rigors of touring, its braced metal chassis and protective bar ensure durability and safety.

Whether you're striving for that vintage tone or simply want to safeguard your amp's longevity, the AmpRx BrownBox is an essential addition to your gear arsenal.

Key Features:

• Optimizes input voltage for enhanced tube amp performance
• Extends the lifespan of power tubes with precise voltage management
• LCD voltmeter for easy voltage monitoring
• Four selectable attenuation modes: 3%, 4%, 6%, and 10%
• Bypass mode for quick A/B testing
• Robust metal chassis with protective bar for touring durability
• 5-amp transformer with selectable input settings: 120/122/124/126VAC

Unleash the raw energy of vintage fuzz with the King Tone Mini Fuzz Si. This compact yet powerful pedal is a tribute to the classic fuzz tones of the 60s and 70s, delivering a rich and dynamic sound that's perfect for both modern and retro-inspired music. Built with a hand-selected silicon transistor, the Mini Fuzz Si ensures consistent performance and a wide range of tonal possibilities, from smooth sustain to gritty distortion.

The intuitive layout makes it easy for musicians of any level to dial in their desired sound. With just a few tweaks to the controls, you can transform your guitar tone, adding depth and character to your solos or rhythm playing. The pedal's compact size means it fits comfortably on any pedalboard without sacrificing valuable space, making it an ideal choice for gigging musicians and studio players alike.

The Mini Fuzz Si is also true-bypass, ensuring that your signal remains pure and unaffected when the pedal is not in use. Whether you're looking to capture the vintage warmth of a bygone era or push the boundaries of modern soundscapes, this pedal is a reliable tool in your musical arsenal.

Key Features:

• Hand-selected silicon transistor for authentic fuzz tones
• True-bypass switching for pure signal integrity
• Compact design suitable for any pedalboard
• Easy-to-use controls for versatile sound shaping
• Inspired by classic fuzz tones of the 60s and 70s

Unleash the raw energy of vintage fuzz with the King Tone Mini Fuzz Si. This compact yet powerful pedal is a tribute to the classic fuzz tones of the 60s and 70s, delivering a rich and dynamic sound that's perfect for both modern and retro-inspired music. Built with a hand-selected silicon transistor, the Mini Fuzz Si ensures consistent performance and a wide range of tonal possibilities, from smooth sustain to gritty distortion.

The intuitive layout makes it easy for musicians of any level to dial in their desired sound. With just a few tweaks to the controls, you can transform your guitar tone, adding depth and character to your solos or rhythm playing. The pedal's compact size means it fits comfortably on any pedalboard without sacrificing valuable space, making it an ideal choice for gigging musicians and studio players alike.

The Mini Fuzz Si is also true-bypass, ensuring that your signal remains pure and unaffected when the pedal is not in use. Whether you're looking to capture the vintage warmth of a bygone era or push the boundaries of modern soundscapes, this pedal is a reliable tool in your musical arsenal.

Key Features:

• Hand-selected silicon transistor for authentic fuzz tones
• True-bypass switching for pure signal integrity
• Compact design suitable for any pedalboard
• Easy-to-use controls for versatile sound shaping
• Inspired by classic fuzz tones of the 60s and 70s

Discover the King Tone Mini Fuzz Ge, a compact yet powerful addition to any guitarist's pedalboard. This fuzz pedal offers a rich, vintage-inspired tone that captures the iconic sounds of classic rock and blues. Featuring germanium transistors, the Mini Fuzz Ge delivers a warm, smooth distortion that is both versatile and expressive. Its small footprint means it won't overcrowd your setup, making it perfect for gigging musicians who need maximum sound with minimal space.

The pedal's design is straightforward, with intuitive controls that allow for effortless adjustments on the fly. Guitarists can easily dial in their preferred fuzz intensity and tonal character, from subtle overdrive to full-on fuzz frenzy. The true bypass switching ensures your original signal remains pristine when the pedal is not in use, maintaining the clarity of your tone across all settings.

Built with durability in mind, the King Tone Mini Fuzz Ge is housed in a rugged enclosure, ready to withstand the rigors of live performance. Whether you're chasing the classic tones of the '60s and '70s or looking to craft your own unique sound, this pedal is an excellent choice for any musician seeking authentic, analog fuzz.

Key Features:

• Germanium transistors for warm, vintage-inspired tones
• Compact design ideal for space-conscious setups
• True bypass switching for signal integrity
• Intuitive controls for easy tone shaping
• Durable construction for reliable performance on stage

Discover the King Tone Mini Fuzz Ge, a compact yet powerful addition to any guitarist's pedalboard. This fuzz pedal offers a rich, vintage-inspired tone that captures the iconic sounds of classic rock and blues. Featuring germanium transistors, the Mini Fuzz Ge delivers a warm, smooth distortion that is both versatile and expressive. Its small footprint means it won't overcrowd your setup, making it perfect for gigging musicians who need maximum sound with minimal space.

The pedal's design is straightforward, with intuitive controls that allow for effortless adjustments on the fly. Guitarists can easily dial in their preferred fuzz intensity and tonal character, from subtle overdrive to full-on fuzz frenzy. The true bypass switching ensures your original signal remains pristine when the pedal is not in use, maintaining the clarity of your tone across all settings.

Built with durability in mind, the King Tone Mini Fuzz Ge is housed in a rugged enclosure, ready to withstand the rigors of live performance. Whether you're chasing the classic tones of the '60s and '70s or looking to craft your own unique sound, this pedal is an excellent choice for any musician seeking authentic, analog fuzz.

Key Features:

• Germanium transistors for warm, vintage-inspired tones
• Compact design ideal for space-conscious setups
• True bypass switching for signal integrity
• Intuitive controls for easy tone shaping
• Durable construction for reliable performance on stage

Andy Timmons’ signature reverb, built on a brand-new ambient space inspired by the HALO sound Three reverb modes — Nocturne, Spring, Plate — from subtle room bloom to expansive cinematic trails

Simple four-knob layout (Tone, Level, Decay, Modulation) for fast, expressive shaping Save and recall presets for each mode; blue LED = live control, red LED = stored favorites Flexible signal path with True or Buffered Bypass, Trails on/off, and stereo operation (Wet+Dry or Wet-only) Full Expression support and MIDI control with up to 72 preset locations Designed and manufactured in Oklahoma, USA

TINY BUT MIGHTY.

Pillbug delivers pure analog vintage-style compression, from gentle squeeze to soaring sustain—all packed into the smallest compressor pedal ever built. This pedal may be absurdly tiny, but it packs more than enough might to tailor your dynamics for any style or setup.

Classic Compression and Sustain, Just Way Smaller.

Inspired by two iconic compressor pedals—the 1974 Ross Compressor* and the 1981 Boss CS-2 Compressor/Sustainer*, Pillbug skillfully shapes your front-end tone with warm, smooth, and musical compression that thickens clean tones, adds depth to leads, and keeps chords articulate. This signature circuit delivers a wide range of dynamics control—everything from subtle squash to towering sustain. All stuffed into a comically small footprint.

Shape Your Dynamics With This One Simple Trick.

Pillbug utilizes a classic OTA (Operational Transconductance Amplifier) compressor circuit, delivering the hallmark pedal compression sounds widely heard in the late ’70s and early ’80s. Silky, organic compression, and a soft midrange warmth provide a natural feel that enhances clean tones and fattens leads, without losing your instrument’s personality. It’s like magic, but it’s actually science.

Electro-Harmonix Founder and President, Mike Matthews and serial inventor Bob Myer go way back. Together, they designed the very first Big Muff and had a working relationship throughout EHX’s storied history. Always innovating, Bob was known to present Mike with updated designs to keep up with available technology of the times. As the process goes, designs get selected and others get put aside and forgotten about. The Big Muff Pi 2 Dual Op-Amp design is one that didn’t make the cut back in the late 70’s and was promptly stashed away in Bob’s files. While interviewing Bob in his old workshop, EHX disciples Josh Scott (of JHS Pedals) and Daniel Danger uncovered this novel circuit design as a hand drawn schematic amongst Bob’s old notes. Josh went to work decoding the original schematic and resurrected the circuit as the Big Muff Pi 2.

The Big Muff Pi 2 is similar to the classic Big Muff Pi but has a unique fuzz tone to further fill out your Muff flavor palate. With singing sustain and gobs of gain, the BMP2 remains true to the Big Muff Pi legacy with its own edge and response. A crispy top end, booming lows, and slightly less refined clipping gives the Big Muff Pi 2 a particularly cool feel that’s both unique and distinctly Big Muff. Slightly more dynamic, slightly more fuzzy, the Big Muff 2 is must-try for any BMP lover!

Featuring the familiar control set of Volume, Tone, and Sustain, the Big Muff Pi 2 comes in a nano sized die-cast chassis with art designed by EHX aficionado, Daniel Danger. SUSTAIN controls the amount of sustain and distortion from medium grit to full fuzz fury. TONE adjusts the tone from brash rasp to deep thunder, increasing treble and decreasing bass as it’s turned up. VOL sets the overall output of the pedal.

The Big Muff Pi 2 features a first for a Big Muff, silent true bypass footswitching with Latching/Momentary Action. Click the footswitch for normal latching functionality or press and hold the footswitch of a momentary burst of fuzz mayhem!

Features:

• Unique Big Muff Pi circuit design employing 2 Dual Op-Amps
• Artwork by Daniel Danger
• VOL, TONE, and SUSTAIN controls
• True Bypass
• Latching/Momentary footswitch action
• 9V Battery included, adapter optional

Unleash your creativity with the Death By Audio Interstellar Overdriver Supreme, a powerhouse pedal designed to take your guitar tone to the cosmos and back. This dynamic overdrive pedal offers a universe of sonic possibilities with its six unique modes. From smooth, warm low-gain overdrive to intense, fuzz-laden oscillations, the Interstellar Overdriver Supreme is a versatile tool for any guitarist looking to explore new frontiers in sound.

Crafted with a slightly larger enclosure, this pedal provides not only a robust build but also an intuitive layout that makes dialing in your perfect sound a breeze. The diode-clipping switch opens up further tonal sculpting opportunities, allowing you to tailor your sound with precision. Whether you're a seasoned performer or a creative experimenter, the Interstellar Overdriver Supreme delivers a palette of rich, immersive tones that will inspire and elevate your music.

Embrace the eccentric spirit of Death By Audio and transform your sonic journey with a pedal that promises both innovation and reliability. Perfect for live performances or studio sessions, this pedal is your ticket to discovering new dimensions of sound.

Key Features:

• Multi-mode, dual overdrive pedal
• Six selectable modes ranging from low-gain overdrive to oscillating fuzz
• Diode-clipping switch for expanded tonal options
• Larger enclosure for durability and ease of use
• Ideal for both live and studio applications

Unleash your creativity with the Death By Audio Interstellar Overdriver Supreme, a powerhouse pedal designed to take your guitar tone to the cosmos and back. This dynamic overdrive pedal offers a universe of sonic possibilities with its six unique modes. From smooth, warm low-gain overdrive to intense, fuzz-laden oscillations, the Interstellar Overdriver Supreme is a versatile tool for any guitarist looking to explore new frontiers in sound.

Crafted with a slightly larger enclosure, this pedal provides not only a robust build but also an intuitive layout that makes dialing in your perfect sound a breeze. The diode-clipping switch opens up further tonal sculpting opportunities, allowing you to tailor your sound with precision. Whether you're a seasoned performer or a creative experimenter, the Interstellar Overdriver Supreme delivers a palette of rich, immersive tones that will inspire and elevate your music.

Embrace the eccentric spirit of Death By Audio and transform your sonic journey with a pedal that promises both innovation and reliability. Perfect for live performances or studio sessions, this pedal is your ticket to discovering new dimensions of sound.

Key Features:

• Multi-mode, dual overdrive pedal
• Six selectable modes ranging from low-gain overdrive to oscillating fuzz
• Diode-clipping switch for expanded tonal options
• Larger enclosure for durability and ease of use
• Ideal for both live and studio applications

A Mesmerizing Array of Phasers

The Moonbeam Phaser has landed. A stereo, multi-stage phaser like no other, the Moonbeam Phaser lets you completely reshape your sound by choosing between one and six stages of phase shifting for any modulation occasion. With its expansive range of controls, you can instantly explore everything from classic swirling movements to ultra-gooey bends, resonant filtered tremolos, and textures yet to be discovered. Take a trip through the world of tones from beyond the exosphere.

••Stereo Reverb Transmissions••

The Dream Station is like two Death By Audio pedals in one! It’s an instant mood creator, blending DBA-style reverb and delay to plunge your signal into a vivid fantasy hallucination. Three filter settings let you radically shape the tone and character of the effects, opening up a myriad of soundscapes at your fingertips and exploding your sound into super-wide stereo.

Step into a world of sonic exploration with the Death By Audio Thee Ffuzz Warr Overload, a fuzz pedal that defies boundaries and invites creativity. Born from a collaboration with John Dwyer of the legendary fuzz-heavy band Thee Oh Sees, this pedal offers more than just a typical fuzz effect. Its unique boost/filter circuit allows you to sculpt your sound with precision, taking your guitar tones from subtle grit to absolute chaos.

Whether you're looking to add a touch of vintage warmth or unleash a storm of saturated distortion, the Thee Ffuzz Warr Overload delivers with its versatile controls and textured, dynamic response. This pedal doesn't just amplify your playing; it transforms it. With only 500 units originally produced, it's more than a piece of gear—it's a piece of history. Crafted for musicians who dare to push their limits, it's perfect for those who want to make a statement with their sound.

Key Features:

• Limited edition with only 500 units originally produced
• Designed in collaboration with John Dwyer of Thee Oh Sees
• Unique boost/filter circuit for versatile sound shaping
• Capable of delivering a range of fuzz tones from vintage to modern
• Durable build for reliable performance on stage and in the studio

Step into a world of sonic exploration with the Death By Audio Thee Ffuzz Warr Overload, a fuzz pedal that defies boundaries and invites creativity. Born from a collaboration with John Dwyer of the legendary fuzz-heavy band Thee Oh Sees, this pedal offers more than just a typical fuzz effect. Its unique boost/filter circuit allows you to sculpt your sound with precision, taking your guitar tones from subtle grit to absolute chaos.

Whether you're looking to add a touch of vintage warmth or unleash a storm of saturated distortion, the Thee Ffuzz Warr Overload delivers with its versatile controls and textured, dynamic response. This pedal doesn't just amplify your playing; it transforms it. With only 500 units originally produced, it's more than a piece of gear—it's a piece of history. Crafted for musicians who dare to push their limits, it's perfect for those who want to make a statement with their sound.

Key Features:

• Limited edition with only 500 units originally produced
• Designed in collaboration with John Dwyer of Thee Oh Sees
• Unique boost/filter circuit for versatile sound shaping
• Capable of delivering a range of fuzz tones from vintage to modern
• Durable build for reliable performance on stage and in the studio

Thee Treble Overload revives the coveted treble boost circuit from the infamous limited-edition pedal, Thee Fuzz Warr Overload - this time packed with extra features and unleashed as its own weapon. It slices through any mix with razor-sharp precision, adding just the right edge to make your signal sound mean, bright, and alive.

To achieve that bite, Thee Treble Overload carves away bass, tightening your tone and bringing definition to whatever sound you feed it.

Crafted with precision and inspired by one of rock's most innovative guitarists, the Gibson Tom Morello Les Paul Custom is a solid body electric guitar that pays homage to its namesake's legendary sound. This instrument seamlessly blends classic Les Paul styling with modern enhancements, making it a versatile choice for musicians seeking both traditional tones and contemporary flair. From its mahogany body to the rich ebony fingerboard, this guitar is built to deliver exceptional playability and tonal depth.

The Gibson Tom Morello Les Paul Custom comes equipped with a specially designed toggle switch, offering dynamic tonal versatility that allows players to effortlessly switch between Morello's signature sounds. Its powerful humbucking pickups ensure a robust and clear sound, ideal for both studio recordings and live performances. The guitar's hardware is meticulously crafted to withstand the rigors of the road, while the neck profile is designed for comfort, accommodating a wide range of playing styles.

Key Features:

• Solid mahogany body with a comfortable carved maple top
• Ebony fingerboard for smooth playability
• Specially designed toggle switch for dynamic tonal versatility
• Powerful humbucking pickups for a clear and robust sound
• Durable hardware for enhanced reliability
• Custom neck profile suitable for various playing techniques
• Inspired by Tom Morello's unique style and sound

Crafted with precision and inspired by one of rock's most innovative guitarists, the Gibson Tom Morello Les Paul Custom is a solid body electric guitar that pays homage to its namesake's legendary sound. This instrument seamlessly blends classic Les Paul styling with modern enhancements, making it a versatile choice for musicians seeking both traditional tones and contemporary flair. From its mahogany body to the rich ebony fingerboard, this guitar is built to deliver exceptional playability and tonal depth.

The Gibson Tom Morello Les Paul Custom comes equipped with a specially designed toggle switch, offering dynamic tonal versatility that allows players to effortlessly switch between Morello's signature sounds. Its powerful humbucking pickups ensure a robust and clear sound, ideal for both studio recordings and live performances. The guitar's hardware is meticulously crafted to withstand the rigors of the road, while the neck profile is designed for comfort, accommodating a wide range of playing styles.

Key Features:

• Solid mahogany body with a comfortable carved maple top
• Ebony fingerboard for smooth playability
• Specially designed toggle switch for dynamic tonal versatility
• Powerful humbucking pickups for a clear and robust sound
• Durable hardware for enhanced reliability
• Custom neck profile suitable for various playing techniques
• Inspired by Tom Morello's unique style and sound

The Electro-Harmonix EH-1313/EH-7050 Mike Matthews Dirt Road Special is a reimagined classic that brings a unique blend of vintage appeal and modern reliability to the world of combo guitar amplifiers. This amp is designed to deliver that iconic, gritty sound that defined an era, now combined with today's advancements in engineering. The built-in Electro-Harmonix Holy Grail Max reverb circuit takes your sound to new heights, providing lush reverb tones with the flick of a switch.

Perfect for both stage and studio, the Dirt Road Special offers a straightforward design with intuitive controls, allowing musicians to dial in their perfect tone with ease. The robust build ensures durability, while the compact size makes it a versatile choice for guitarists who are always on the move. Whether you’re chasing that warm, overdriven tone of the '70s or looking to explore new sonic territories, this amp is your trusty companion.

The Dirt Road Special’s 15-watt solid-state power and custom 12-inch speaker provide the perfect blend of power and clarity, making it suitable for intimate venues or practice sessions. Its simplicity and efficiency make it a favorite among both seasoned pros and newcomers alike.

Key Features:

• 15-watt solid-state power amp
• Custom 12-inch speaker
• Built-in Electro-Harmonix Holy Grail Max reverb
• Simple, intuitive controls for easy tone shaping
• Compact and durable design for portability
• Vintage-inspired sound with modern reliability

The Electro-Harmonix EH-1313/EH-7050 Mike Matthews Dirt Road Special is a reimagined classic that brings a unique blend of vintage appeal and modern reliability to the world of combo guitar amplifiers. This amp is designed to deliver that iconic, gritty sound that defined an era, now combined with today's advancements in engineering. The built-in Electro-Harmonix Holy Grail Max reverb circuit takes your sound to new heights, providing lush reverb tones with the flick of a switch.

Perfect for both stage and studio, the Dirt Road Special offers a straightforward design with intuitive controls, allowing musicians to dial in their perfect tone with ease. The robust build ensures durability, while the compact size makes it a versatile choice for guitarists who are always on the move. Whether you’re chasing that warm, overdriven tone of the '70s or looking to explore new sonic territories, this amp is your trusty companion.

The Dirt Road Special’s 15-watt solid-state power and custom 12-inch speaker provide the perfect blend of power and clarity, making it suitable for intimate venues or practice sessions. Its simplicity and efficiency make it a favorite among both seasoned pros and newcomers alike.

Key Features:

• 15-watt solid-state power amp
• Custom 12-inch speaker
• Built-in Electro-Harmonix Holy Grail Max reverb
• Simple, intuitive controls for easy tone shaping
• Compact and durable design for portability
• Vintage-inspired sound with modern reliability

Immerse yourself in the world of rich, vintage-inspired sound with the Electro-Harmonix Mike Matthews Freedom Amp. This combo guitar amplifier combines classic tones with modern convenience, making it an essential addition for any guitarist seeking robust performance and portability. Crafted to deliver remarkable clarity and dynamic range, the Freedom Amp is perfect for both practice sessions and live performances.

With its built-in rechargeable battery, the Freedom Amp offers unparalleled mobility, allowing you to take your music wherever you go without the need for external power sources. Its intuitive controls are user-friendly, providing precise adjustments to suit various musical styles. The amp's sturdy construction ensures durability while maintaining a lightweight design for easy transportation.

The Electro-Harmonix Mike Matthews Freedom Amp is equipped with a high-performance speaker that faithfully reproduces every nuance of your playing, from the cleanest notes to the most intense overdrives. Whether you're jamming in your bedroom or performing on stage, this amp is designed to deliver consistent, high-quality sound.

Key Features:

• Built-in rechargeable battery for ultimate portability
• User-friendly control interface for easy tone shaping
• High-performance speaker for clear sound reproduction
• Compact and durable design for easy transport
• Ideal for both practice and live performances

Immerse yourself in the world of rich, vintage-inspired sound with the Electro-Harmonix Mike Matthews Freedom Amp. This combo guitar amplifier combines classic tones with modern convenience, making it an essential addition for any guitarist seeking robust performance and portability. Crafted to deliver remarkable clarity and dynamic range, the Freedom Amp is perfect for both practice sessions and live performances.

With its built-in rechargeable battery, the Freedom Amp offers unparalleled mobility, allowing you to take your music wherever you go without the need for external power sources. Its intuitive controls are user-friendly, providing precise adjustments to suit various musical styles. The amp's sturdy construction ensures durability while maintaining a lightweight design for easy transportation.

The Electro-Harmonix Mike Matthews Freedom Amp is equipped with a high-performance speaker that faithfully reproduces every nuance of your playing, from the cleanest notes to the most intense overdrives. Whether you're jamming in your bedroom or performing on stage, this amp is designed to deliver consistent, high-quality sound.

Key Features:

• Built-in rechargeable battery for ultimate portability
• User-friendly control interface for easy tone shaping
• High-performance speaker for clear sound reproduction
• Compact and durable design for easy transport
• Ideal for both practice and live performances

For 50 years, a forgotten schematic sat buried in dust and time – a concept waiting to be born. Now, its moment has come. The EHX Dual Op-Amp Big Muff 2 is here, delivering a completely new Big Muff voice unlike anything you’ve heard before.

THE PAST & PRESENT In 2021, while on a research trip that led to the creation of the book Made On Earth For Rising Stars: The Electro-Harmonix Story, we had the privilege of digging through decades of materials, memorabilia, devices, and prototypes in the workshop of Bob Myer, the inventor of the EHX Big Muff. It was there we discovered it: a loose sheet of paper with a hand-drawn schematic labeled “BIG MUFF USING (2 DUAL OP AMPS)”.

This wasn’t just another circuit. It was Bob Myer’s own attempt to reimagine the original transistorized Big Muff circuit using the new cutting-edge Op-Amp technology that had emerged later in the 1970s.

For nearly 50 years, this “Lost Big Muff” design sat forgotten in his notebooks — until now. We found it. We built it. And have brought it to life.

WHAT MAKES THE BIG MUFF 2 DIFFERENT? Once discovered, we breadboarded the circuit exactly as Bob drew it, and immediately knew we had something worth making. We found that Bob’s design is unique when compared to the now famous late 70s Op-Amp Big Muff designed by Michael Abrams. Different clipping arrangement, an extra gain stage and various other elements that made this lost version extremely special.

Where the original Big Muff delivers that iconic "sweet violin-like sustain," Bob's two dual Op-Amp approach pushes into more aggressive, cutting territory. It's the Big Muff DNA with a sharper edge, more volume, and the most pronounced low-end and midrange of any EHX Big Muff ever. It expresses Bob's vision of aggressive sustain and cutting presence, with the familiar Big Muff control layout you know and love. It’s the sound of what almost was.

Mike Matthews himself, after hearing our prototype, admitted it had "something special" even though it strayed from the traditional Big Muff voicing he typically preferred. Sometimes the best creations are the ones that don't follow the rules.

Controls:

• VOLUME - Controls the output volume. Left is less, right is more.
• SUSTAIN - Controls the amount of fuzz, which increases the sustain when turned up. Left is less, right is more.
• TONE - Controls the overall tone. Left is darker, right is brighter.
• POWER - 9VDC center negative, 18mA

For 50 years, a forgotten schematic sat buried in dust and time – a concept waiting to be born. Now, its moment has come. The EHX Dual Op-Amp Big Muff 2 is here, delivering a completely new Big Muff voice unlike anything you’ve heard before.

THE PAST & PRESENT

In 2021, while on a research trip that led to the creation of the book Made On Earth For Rising Stars: The Electro-Harmonix Story, we had the privilege of digging through decades of materials, memorabilia, devices, and prototypes in the workshop of Bob Myer, the inventor of the EHX Big Muff. It was there we discovered it: a loose sheet of paper with a hand-drawn schematic labeled “BIG MUFF USING (2 DUAL OP AMPS)”.

This wasn’t just another circuit. It was Bob Myer’s own attempt to reimagine the original transistorized Big Muff circuit using the new cutting-edge Op-Amp technology that had emerged later in the 1970s.

For nearly 50 years, this “Lost Big Muff” design sat forgotten in his notebooks — until now. We found it. We built it. And have brought it to life.

WHAT MAKES THE BIG MUFF 2 DIFFERENT?

Once discovered, we breadboarded the circuit exactly as Bob drew it, and immediately knew we had something worth making. We found that Bob’s design is unique when compared to the now famous late 70s Op-Amp Big Muff designed by Michael Abrams. Different clipping arrangement, an extra gain stage and various other elements that made this lost version extremely special.

Where the original Big Muff delivers that iconic "sweet violin-like sustain," Bob's two dual Op-Amp approach pushes into more aggressive, cutting territory. It's the Big Muff DNA with a sharper edge, more volume, and the most pronounced low-end and midrange of any EHX Big Muff ever. It expresses Bob's vision of aggressive sustain and cutting presence, with the familiar Big Muff control layout you know and love. It’s the sound of what almost was.

Mike Matthews himself, after hearing our prototype, admitted it had "something special" even though it strayed from the traditional Big Muff voicing he typically preferred. Sometimes the best creations are the ones that don't follow the rules.

Controls:

• VOLUME - Controls the output volume. Left is less, right is more.
• SUSTAIN - Controls the amount of fuzz, which increases the sustain when turned up. Left is less, right is more.
• TONE - Controls the overall tone. Left is darker, right is brighter.
• POWER - 9VDC center negative, 18mA

For 50 years, a forgotten schematic sat buried in dust and time – a concept waiting to be born. Now, its moment has come. The EHX Dual Op-Amp Big Muff 2 is here, delivering a completely new Big Muff voice unlike anything you’ve heard before.

THE PAST & PRESENT In 2021, while on a research trip that led to the creation of the book Made On Earth For Rising Stars: The Electro-Harmonix Story, we had the privilege of digging through decades of materials, memorabilia, devices, and prototypes in the workshop of Bob Myer, the inventor of the EHX Big Muff. It was there we discovered it: a loose sheet of paper with a hand-drawn schematic labeled “BIG MUFF USING (2 DUAL OP AMPS)”.

This wasn’t just another circuit. It was Bob Myer’s own attempt to reimagine the original transistorized Big Muff circuit using the new cutting-edge Op-Amp technology that had emerged later in the 1970s.

For nearly 50 years, this “Lost Big Muff” design sat forgotten in his notebooks — until now. We found it. We built it. And have brought it to life.

WHAT MAKES THE BIG MUFF 2 DIFFERENT? Once discovered, we breadboarded the circuit exactly as Bob drew it, and immediately knew we had something worth making. We found that Bob’s design is unique when compared to the now famous late 70s Op-Amp Big Muff designed by Michael Abrams. Different clipping arrangement, an extra gain stage and various other elements that made this lost version extremely special.

Where the original Big Muff delivers that iconic "sweet violin-like sustain," Bob's two dual Op-Amp approach pushes into more aggressive, cutting territory. It's the Big Muff DNA with a sharper edge, more volume, and the most pronounced low-end and midrange of any EHX Big Muff ever. It expresses Bob's vision of aggressive sustain and cutting presence, with the familiar Big Muff control layout you know and love. It’s the sound of what almost was.

Mike Matthews himself, after hearing our prototype, admitted it had "something special" even though it strayed from the traditional Big Muff voicing he typically preferred. Sometimes the best creations are the ones that don't follow the rules.

Controls:

• VOLUME - Controls the output volume. Left is less, right is more.
• SUSTAIN - Controls the amount of fuzz, which increases the sustain when turned up. Left is less, right is more.
• TONE - Controls the overall tone. Left is darker, right is brighter.
• POWER - 9VDC center negative, 18mA

Introducing the Lovetone Meatball, an enigmatic envelope filter pedal that hails from the 90s era of music innovation. This rare gem is celebrated for its role in shaping the iconic sounds of influential guitarists, including the likes of Kirk Hammett. Crafted with a highly shapeable envelope filter, the Meatball has the prowess to replicate the effects of autowah or flange/phase pedals, giving you a wide array of soundscapes to explore. The pedal is split into two distinct sections: the Trigger section and Filter section, offering an impressive level of customization. Adding to its versatility, an effects loop allows for the integration of external effects, positioned after the trigger and preceding the filter section, putting the power of sound manipulation right at your feet.

Key Features:

• Rare 90s-era envelope filter pedal
• Highly shapeable envelope filter mimics autowah or flange/phase pedals
• Two distinct sections: Trigger and Filter
• Allows integration of external effects via an effects loop

Introducing the Lovetone Meatball, an enigmatic envelope filter pedal that hails from the 90s era of music innovation. This rare gem is celebrated for its role in shaping the iconic sounds of influential guitarists, including the likes of Kirk Hammett. Crafted with a highly shapeable envelope filter, the Meatball has the prowess to replicate the effects of autowah or flange/phase pedals, giving you a wide array of soundscapes to explore. The pedal is split into two distinct sections: the Trigger section and Filter section, offering an impressive level of customization. Adding to its versatility, an effects loop allows for the integration of external effects, positioned after the trigger and preceding the filter section, putting the power of sound manipulation right at your feet.

Key Features:

• Rare 90s-era envelope filter pedal
• Highly shapeable envelope filter mimics autowah or flange/phase pedals
• Two distinct sections: Trigger and Filter
• Allows integration of external effects via an effects loop

Deep Tone Sculpting

Shape every aspect of your tone and endlessly experiment with MEATBALL’s comprehensive control layout. Dial in Sensitivity, Attack and Decay to match your dynamics, then tweak Resonance and Colour to shape the character of the filter response – from subtle vowel-like shifts to sharp, expressive peaks. Mix just the right amount of dry signal with the Blend knob while the Filter and Bandwidth switches help you command exactly how and where your tone moves across the frequency spectrum.

Creative Possibilities on Stage

Use MEATBALL to transform clean rhythm guitar parts into pulsing grooves or give your bass lines a synth-like growl with every note. Place it after a fuzz pedal for gooey, harmonic-rich squelches, or run it before modulation effects for shifting, animated textures. Use an expression pedal for manual sweeps or pair with a compressor to enhance dynamics.

Break The Mould

Meatball thrives on variety, from tight funk picking and massive bass sweeps to modulated synth lines and textural studio sound design. If you want a pedal that can spark ideas, break rules, and help you create something unexpected, this is it.

Miniature Marvel

Fairfax isn’t really a distortion pedal. Instead, it’s a complete miniature amplifier in 100% analog form, based upon a little-known device from the 60’s that powered a number of classic rock anthems.

The sound and feel is extremely tube-like, with added harmonics and saturation coming from a clever circuit that emulates the critical behavior of a tube amp’s output transformer. It’s a drive pedal that feels completely natural to play, retains the natural sound of your guitar, and glues notes together in a truly organic way.

Features:

• Fully analog circuit.
• True Bypass.
• Mono in/out.
• Power requirements — maximum 9 volts DC center-negative, with a minimum of 500mA (power supply NOT included.)

Introducing the OG-1 a collaboration between Colby and Analogman (Mike and I have been friends for many, many years!)

The OG-1 is a “tribute” overdrive pedal based on the Boss OD-1, one of the first Boss Compact pedals, released in 1977.

Here is what Mike has to say about some of the details……..

The Boss OD-1 is one of the original Boss Compact pedals, released in 1977. It is considered the first "overdrive" pedal, pre-dating the Ibanez TS-808 and the Boss SD-1. The TS-808 took the basic OD-1 design and added a tone control, which Boss borrowed for the SD-1. But the Boss pedals used asymmetric clipping, as they had a patent on it, and Ibanez could not. Asymmetric clipping has a little more volume, edge, and harmonics.

The OD-1 was one of my favorite pedals back in the late 80s. I learned about them when I was in Japan working as a software engineer, as they were very popular there. When I came back to the USA, I would stop into every music store I could, and found several of them, even NOS, which I often sold back to the Japanese. Mitch Colby was working at Korg/Marshall at the time, and attended the vintage guitar shows in the New York area which I also went to. He sold me an OD-1 and maybe a CE-1 over 30 years ago. So I thought the OD-1 would be a great pedal to collaborate on, and we call it the OG-1 as it's the Original Gangster.

The early "silver screw" OD-1 used a large quad opamp, with four stages. This Raytheon RC3403ADB was a "ground sensing" opamp. They are hard to find now and sell for about $20 on eBay. They also used another quad opamp in some of these, the NEC uPC4741C. In the BOSS BOOK, they say that they stopped using the big chip because they had some failures. After a few years, Boss changed to a normal 4558 dual opamp with two transistors for the buffers, like a Tube Screamer, and also changed a few capacitor values, all of which hurt the tone IMHO. These specs were used until it was discontinued in 1985. They also used some different clipping diodes in later models.

The early OD-1 used yellow-striped 1S2473 silicon diodes. These clip close to 1 Volt. This is higher than the normal 1N914/1N4148 diodes used in most pedals. This partly explains why the early OD-1 sounds better than later one. The use of the 1S2473 diode would have given it a fairly high forward voltage, yielding milder clipping and a relatively substantial output level.

Our OG-1 is a tribute to the early OD-1, with all the same parts except we have added true bypass. We use actual Boss DRIVE pots and knobs, which we removed and saved when modifying SD-1 pedals. We use an AUDIO taper volume pot, for easier control of the level, so if comparing an old OD-1 and our OG-1, you may have to have the levels set differently. But the sound is the same. We use actual HAMMOND enclosures, with a nice yellow factory finish that is quite close to the OD-1.

Experience a new level of sonic versatility with the Colby Amplification Elpico 2-Channel 25-Watt 1x12" Guitar Amp Half Stack. Designed with both the purist and the experimentalist in mind, this amplifier provides two distinct channels that deliver a seamless transition between clean and overdriven tones. Whether you’re strumming in the studio or shredding on stage, this amp stack’s 25-watt output offers plenty of power without sacrificing tonal clarity.

The Elpico is engineered to cater to a diverse range of musical styles, from blues and rock to jazz and metal. Its custom-built 12-inch speaker ensures every note resonates with precision, while the half stack design provides ample presence without overwhelming your setup. The straightforward control panel allows for intuitive tone shaping, making it easy for guitarists to hone in on their signature sound.

Constructed with high-quality components, this amp is built to withstand the rigors of both the road and regular practice sessions. The rugged cabinet design not only enhances the amplifier's durability but also contributes to its rich, resonant sound. Whether you’re a seasoned professional or a passionate beginner, the Colby Amplification Elpico is equipped to elevate your playing experience.

Key Features:

• 25-watt output for a balanced power level
• Two channels for versatile tone options
• 12-inch custom-built speaker for precise sound reproduction
• Intuitive controls for easy tone shaping
• Durable cabinet construction for long-lasting use
• Suitable for a wide range of musical styles

Experience a new level of sonic versatility with the Colby Amplification Elpico 2-Channel 25-Watt 1x12" Guitar Amp Half Stack. Designed with both the purist and the experimentalist in mind, this amplifier provides two distinct channels that deliver a seamless transition between clean and overdriven tones. Whether you’re strumming in the studio or shredding on stage, this amp stack’s 25-watt output offers plenty of power without sacrificing tonal clarity.

The Elpico is engineered to cater to a diverse range of musical styles, from blues and rock to jazz and metal. Its custom-built 12-inch speaker ensures every note resonates with precision, while the half stack design provides ample presence without overwhelming your setup. The straightforward control panel allows for intuitive tone shaping, making it easy for guitarists to hone in on their signature sound.

Constructed with high-quality components, this amp is built to withstand the rigors of both the road and regular practice sessions. The rugged cabinet design not only enhances the amplifier's durability but also contributes to its rich, resonant sound. Whether you’re a seasoned professional or a passionate beginner, the Colby Amplification Elpico is equipped to elevate your playing experience.

Key Features:

• 25-watt output for a balanced power level
• Two channels for versatile tone options
• 12-inch custom-built speaker for precise sound reproduction
• Intuitive controls for easy tone shaping
• Durable cabinet construction for long-lasting use
• Suitable for a wide range of musical styles