HISTORICAL FACTS: Electroharmonix - The Untold Story

10 misunderstood guitar pedals that became modern classics

These trailblazing stompboxes baffled players at first, but guitarists eventually caught on…

Guitar World · Jul 17

“The final boss of the lost Dual Op-Amp circuit”: Electro-Harmonix gives the Big Muff Pi 2 the “Deluxe” treatment – adding Wicker switch, noise-gate, footswitchable mids and more

This alternate take on the Muff fuzz sound now comes supercharged with enough features to make you consider an upgrade

MusicRadar · Jul 16

“With a gritty textured edge to its fuzz/distortion, this is a pedal for big riffs and endless sustain”: Electro-Harmonix Big Muff Pi 2 Dual Op-Amp Fuzz review

Long-lost circuitry featuring two op-amps is resurrected for thelatest iteration of the classic Electro-Harmonix pedal

MusicRadar · Jul 6

“The best Big Muff there’s ever been for bass”: Electro-Harmonix Bass Big Muff Pi 2 review

A long-lost EHX Big Muff variant, made real – and now made for bassists to enjoy too.

Guitar World · Mar 26

“More aggressive, more physical, more raw and in tune with the animal kingdom”: Electro-Harmonix Big Muff Pi 2 Dual Op-Amp Fuzz review

A schematic, lost in the shuffle, resurfaces with the help of JHS Pedals supremo Josh Scott, and presents us with a fresh slice of Pi

Guitar World · Mar 23

“Every once in a while a pedal comes along that takes you by surprise. It’s a pedal I didn’t even know I needed”: Electro-Harmonix Effects Interface review

From the creator of the Big Muff comes a handy unit for getting your pedalboard and your DAW effects talking to each other

Guitar World · Mar 12

“We were packing up, then all of a sudden he goes, ‘Have you been down to the basement?’” The iconic EHX Holy Grail has been championed by Jim Root and John Frusciante – and now the lost prototype has been found

The classic reverb pedal can be found on pedalboards the world over, but JHS Pedals' Josh Scott has tracked down the first one

Guitar World · Jan 31

“First of its kind”: Electro-Harmonix’s Effects Interface turns your pedals into plugins – and puts your prized plugins on your pedalboard

The utility tool could be a game-changer for your rig, forgoing converters and complex cable methods for a frills-free approach

Guitar World · Jan 13

EHX’s new Effects Interface is a stompbox-shaped device that lets you integrate your pedalboard with your DAW

NAMM 2026: Electro-Harmonix’s pedal-focused audio interface “handles your signal and delivers it with care between your hardware and software”

MusicRadar · Jan 13

“It may be based on a Tone Bender, but it can also be considered a generic fuzz – and we mean that in a good way”: Electro-Harmonix Bender Royale review

Electro-Harmonix revives the classic three-transistor Tone Bender and evolves it for more sonic variety

Guitar World · Jan 13