With original late-70s Op-Amp Big Muffs selling for exorbitant prices, Mike Matthews decided to take the power to the people and reissue the classic pedal at a price that players could afford! The circuitry of the new EHX Op-Amp Big Muff Pi —sometimes also referred to as the IC or V4 Big Muff— has been faithfully re-created while several practical enhancements have been added including a compact, die-cast chassis and true bypass switching.

“The Op-Amp Big Muff was popularized by the brilliant Billy Corgan who first used it on the Smashing Pumpkins’ epic 1993 album Siamese Dream. After he was videotaped playing and talking about the reissue, Billy stated: ‘The magic’s still in the box, I can still get what I’m looking for!’” – Mike Matthews

The pedal relies on op-amps rather than transistors and three gain stages rather than four, to create its signature sound. It’s a sound that’s been described by noted Big Muff collector and historian, Kit Rae, as: “a huge, crushing Big Muff sound with more crunch… great for grungy, wall-of-sound distortion, heavy rhythm playing and heavy leads.”

A faithful reissue of the original classic circa 1978
Iconic sound and vibe that’s coveted by guitarists
Controls for Tone, Sustain and Volume, plus a Tone Bypass switch
True bypass switching for maximum signal integrity in bypass mode
Rugged, compact, die-cast package… pedalboard friendly
9V battery included

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OP AMP BIG MUFF PI

With the EHX Operation Overlord Allied Overdrive, whether you play guitar, bass, keyboards or pretty much any electronic instrument — dialing in great drive sounds is fast and foolproof.

Active 3-band EQ controls, footswitchable BOOST mode, and a dry blend provide versatility for different tones and instruments. The OVERLORD also features two independent distortion channels for use with stereo setups.

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Review by Paul White, soundonsound.com

Review by Matt Blackett, guitarplayer.com

Manual

Demo by Reverb

OPERATION OVERLORD ALLIED OVERDRIVE

The EHX Iron Lung is a versatile and easy to use vocoder in a compact pedal format. Musicians no longer need large rack equipment, computer plugins, or large keyboards to get a wide array of classic and modern vocoder sounds.

Built around the finest aspects of our praised V256 vocoder, the Iron Lung is the baby brother housed in our smallest, die-cast chassis . The Iron Lung uses the highest resolution of 256 bands to deliver defined vocoder performance while our famous Gender Bender control lets you adjust a male to female emphasis that delivers numerous and exacting possibilities at the turn of a knob. An XLR input allows your microphone of choice to be used with 3 independent gain controls. To round it out, the tone control integrates with the Gender Bender to refine the tone to exactly where you want it to be. Use a guitar or keyboard for polyphonic delivery. One of the very classic instruments from the past made available to every musician at a classic price!

High 256 band resoloution
Gender Bender knob for male to female emphasis
XLR mic input with 3 independent gain settings
Tone control for frequency definition
Power adapter included

Review by Kromwarp, talkbass.com

Demo by JetCityMusic

Iron Lung

A faithful reissue of a rare EHX synthesizer first introduced in 1980. The palm-sized synth produces wild, randomly changing tones over a four-plus octave range. Creates sensational soundscapes, especially when used with other effects!

Review by Ultimate Guitar

Review by Effects Database

Review by bonedo

Demo by Prymaxe

RTG Random Tone Generator

The Ripped Speaker is a modern fuzz with old school roots and pays homage to one of the ways that early, distorted guitar and bass sounds were made. At low fuzz settings the pedal emulates the lo-fi distortion sounds of yesteryear, the kinds of sounds created by a razor blade applied to a speaker cone, a loose tube or a faulty channel on a recording console. When you crank the fuzz up the sound is transformed. It’s modern and monumental with a searing, fully saturated, fuzz tone.

The Ripped Speaker’s RIP knob is a bias control which sets the amount of clipping at the top and bottom of the signal wave form. It adds a lot of versatility and lets you tailor the character of the fuzz. Noon is neutral, a position where the fuzz is perfectly biased… fat, with a great low end and top end bite without being harsh. As you turn the knob clockwise the pedal produces a hard gating effect and the signal sputters and chokes. It’s great for creating a dying battery effect. Turning the knob CCW produces yet a different style of fuzz with a smoother gating effect where the signal fades out quickly.

The Ripped Speaker’s TONE control is active and delivers a tilt-shift type EQ. That means at noon the EQ is flat. As you turn the knob counter-clockwise the frequency response gets darker with more pronounced lows and less highs. Going clockwise yields a brighter tone with more highs and rolled back lows.

The Ripped Speaker features true bypass switching, comes equipped with a 9 Volt battery and accepts a standard EHX 9 Volt power supply.

Versatile pedal delivers fuzz that goes from old school to modern
Bias control
Active tone control
True bypass switching
Pedalboard-friendly size
9V battery included

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