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electro-harmonix Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for electro-harmonix products.

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About electro-harmonix manuals on Manuals.plus

ELECTRO-HARMONIX, INC, is a New York City-based company that makes electronic audio processors and sells rebranded vacuum tubes. The company was founded by Mike Matthews in 1968. It is best known for a series of guitar effects pedals introduced in the 1970s and 1990s. EHX also made a line of guitars in the 70s. Their official website is ELECTRO-HARMONIX, INC

A directory of user manuals and instructions for Electro-Harmonix products can be found below. electro-Harmonix products are patented and trademarked under the brands ELECTRO-HARMONIX, INC

Contact Info:

Type	Private
Industry	Consumer electronics
Founded	1968; 54 years ago
Founder	Mike Matthews
Headquarters	New York City, US
Products	Effects pedals, amplifiers, acoustic guitars
Parent	New Sensor Corporation
Website	http://www.ehx.com

electro-harmonix manuals

Latest manuals from manuals+ curated for this brand.

electro-harmonix Electro Harmonix Big Muff Instruction Manual

December 17, 2025

Electro-Harmonix Electro Harmonix Big Muff Product Information Specifications Voltage: 9VDC Current: 15mA Polarity: Center-Negative Battery: 9V Controls and Connections SUSTAIN Knob: Adjusts the amount of sustain and distortion. TONE Knob:…

electro-harmonix ABRAMS100 100W Solid State Amplifier Instruction Manual

December 5, 2025

electro-harmonix ABRAMS100 100W Solid State Amplifier Congratulations Congratulations on your purchase of the Electro-Harmonix ABRAMS100, 100-Watt amplifier. The ABRAMS100 is a guitar and musical instrument amplifier with three bands of…

electro-harmonix Spruce Goose Compact Natural Overdrive Pedal Owner’s Manual

December 2, 2025

Welcome to the Electro-Harmonix Spruce Goose, a compact, natural overdrive with a wide range of tonal and gain settings. Sculpt your sound with separate TREBLE and BASS EQ knobs. Dial-in…

Electro Harmonix NYC-DSP-Atomic Cluster Spectral Decomposer User Manual

November 24, 2025

Electro Harmonix NYC-DSP-Atomic Cluster Spectral Decomposer Specifications Product Name: Atomic Cluster Spectral Decomposer Power Supply Requirements: Voltage: 9VDC Current: 100mA Polarity: Center-Negative Product Usage Instructions Insert the output plug from…

electro-harmonix OCEANS ABYSS Pre Delay Knob User Guide

June 19, 2025

OCEANS ABYSS Pre Delay Knob Product Information Specifications Model: EHX Oceans Abyss Reverb Algorithms: 10 full-stereo reverb algorithms including Hall, Spring, Shimmer, and more Additional FX Blocks: Delay, Modulation, Gain,…

electro-harmonix GOLDEN SMALL STONE Phaser Pedal Owner’s Manual

January 27, 2025

GOLDEN SMALL STONE GOLDEN SMALL STONE Phaser Pedal Congratulations on your purchase of the limited-edition ELECTRO-HARMONIX GOLDEN SMALL STONE phaser pedal! This commemorative Small Stone uses hard to find, new…

electro harmonix POG 3 Digital Polyphonic Octave Generator User Guide

December 29, 2024

electro harmonix POG 3 Digital Polyphonic Octave Generator Specifications Power Supply Requirements: Voltage: 9VDC Current: 300mA Polarity: Center-Negative Product Usage Instructions Setup Plug the supplied AC adapter into an AC…

electro harmonix EHX-2020-2.0 Chromatic Tuner Pedal User Guide

December 18, 2024

electro harmonix EHX-2020-2.0 Chromatic Tuner Pedal WELCOME Congratulations on your purchase of the Electro-Harmonix EHX-2020-2.0 Chromatic Tuner Pedal, a convenient and complete solution to tuning your instrument. CONTROLS & CONNECTIONS…

electro-harmonix POG3 Polyphonic Octave Generator User Manual

September 5, 2024

Polyphonic POG3_manual_web_v1.pdf Thank you for purchasing the Electro-Harmonix P Generator. The world's best line of octave pedals stereo outputs, voice panning, 5th above voicing, with envelope sweep, extensive expression contr…

electro harmonix Bass Clone Pedal Instructions

July 16, 2024

IMPORTANT SAFETY INSTRUCTIONS Bass Clone Pedal Read and keep these instructions Heed all warnings Device and packaging may contain small parts which may be a choking hazard. Not suitable for…

Electro-Harmonix PICO ATTACK DECAY User Manual - Tape Reverse Simulator

User Manual

User manual for the Electro-Harmonix PICO ATTACK DECAY, a compact tape reverse simulator pedal offering volume swells and decays in mono and poly modes. Includes operating instructions, controls, and blend…

Electro-Harmonix Big Muff Pi 2 Dual Op-Amp User Manual

Manual

User manual and operating instructions for the Electro-Harmonix Big Muff Pi 2 Dual Op-Amp fuzz guitar pedal, detailing controls, connections, power requirements, and specifications.

Electro-Harmonix Deluxe Memory Boy Tap Tempo Analog Delay User Manual

User Manual

User manual for the Electro-Harmonix Deluxe Memory Boy (DXMB) Tap Tempo Analog Delay pedal, detailing its controls, features, and operation.

Electro-Harmonix ABRAMS100 100W Guitar Amplifier User Manual

User Manual

Comprehensive user manual for the Electro-Harmonix ABRAMS100 100W solid-state guitar and musical instrument amplifier. Features include EQ, reverb, effects loop, and safety instructions.

Electro-Harmonix The Silencer Noise Gate/Effects Loop User Manual

User Manual

User manual for the Electro-Harmonix The Silencer, a sophisticated noise gate with a gated effects loop. Learn about its controls, connections, battery replacement, warranty, and FCC compliance.

Electro-Harmonix Spruce Goose Overdrive User Manual and Specifications

User Manual

Detailed user manual for the Electro-Harmonix Spruce Goose overdrive guitar pedal, covering operation, controls, connections, footswitch functions, and technical specifications.

Electro-Harmonix Deluxe Electric Mistress Flanger/Filter Matrix User Manual

User Manual

User manual for the Electro-Harmonix Deluxe Electric Mistress, a classic flanger and filter matrix guitar effects pedal. Learn about its controls, features, power requirements, warranty, and FCC compliance.

Electro-Harmonix Octavix Octave Fuzz Pedal User Manual

User Manual

User manual for the Electro-Harmonix Octavix Octave Fuzz guitar pedal. Learn about its features, controls, settings, warranty, and FCC compliance.

Electro-Harmonix MEL9 Tape Replay Machine User Manual

User Manual

Comprehensive user manual for the Electro-Harmonix MEL9 Tape Replay Machine, covering its features, controls, preset descriptions, getting started guide, performance tips, warranty information, and FCC compliance.

Electro-Harmonix Superego Synth Engine User Manual and Features

User Manual

Detailed guide to the Electro-Harmonix Superego Synth Engine, covering its modes (Latch, Momentary, Auto), controls (Speed/Layer, Gliss, Dry, Effect), footswitch operation, connections, and warranty information.

Electro-Harmonix Atomic Cluster Spectral Decomposer User Manual

User Manual

User manual for the Electro-Harmonix Atomic Cluster Spectral Decomposer, detailing its features like Tap Tempo and Dynamics Control, operating instructions, and a guide to its knobs and jacks for guitarists.

Electro-Harmonix Oceans Abyss User Manual - Advanced Reverb Pedal

User Manual

Explore the Electro-Harmonix Oceans Abyss, an advanced reverb laboratory pedal. This manual details its dual reverb engines, ten algorithms, customizable signal paths, MIDI, USB, and extensive features for musicians.