Key facts
- Manuals
- 6
- Languages
- EN
- Last added
- 2026-10-31
Featured Electro-Harmonix manuals

Electro-Harmonix Mod Rex Polyrhythmic Modulator User Manual
The Mod Rex is a powerful modulation unit designed for multiple instruments and uses, offering effects like vibrato, flanger, chorus, phaser, tremolo, modulated panning, and modulated filter. It supports up to 4 simultaneous modulation sections, each with 9 tempo subdivision options and 4 LFO shape options. The unit features 100 storable presets, full stereo I/O, tap tempo, external clock sync, and full MIDI control. It also includes external expression pedal and foot controller inputs, and a 9.6VDC/200mA power supply. The manual covers control layout, display modes, parameter settings, presets, and MIDI integration.
Covers: Overview: What Is The Mod Rex? · Control Diagram · Top Panel Display Screen · Divisions Display Mode · Tempo Display Mode · Presets Display Mode

Electro-Harmonix Ravish Sitar Sitar Emulator User Manual
The Electro-Harmonix Ravish Sitar is a highly customizable sitar emulator designed to transform a guitar into a sitar without requiring alterations to the instrument or additional accessories. It features independent timbre and volume controls for lead and sympathetic strings, allowing users to play in all twelve chromatic keys across major, minor, and exotic scales. The unit also supports custom sympathetic scale creation with up to 14 notes, including microtones, and offers features like pitch bending and modulation via an optional expression pedal.
Covers: Quick Start Guide · Knob Functions · Switch Functions · Key Mode · Custom Scale Tuning · Key Transposition

Electro-Harmonix 2880 Super Multi-Track Looper User Manual
This manual guides users through setting up and operating the Electro-Harmonix 2880 Super Multi-Track Looper. It explains how to record, overdub, and mix down tracks, including stereo and quantized recording modes. Safety precautions and instrument care are also covered.
The 2880 records at 44.1 kHz/16-bit uncompressed digital audio and uses flash memory cards for storage. It features four tracks, a mixdown track, and MIDI sync capabilities for integration with other gear.
Covers: Precautions For Safe Use · A Little History and Introduction · Quick Start Guide · The Record Transport · Tracks, Track Selection and Transport · Analog Control and I/O

Electro-Harmonix Deluxe Big Muff Pi User Manual
This manual provides instructions for the Electro-Harmonix Deluxe Big Muff Pi, a harmonic distortion and sustain device for electric guitars. It details the pedal's unique features, including a parametric MIDS EQ, noise gate, and attack circuit, along with their specific functions and controls.
Covers: Warranty Information · Features · Controls · I/O and Power Connections · Operation and Warnings · Changing the Battery
Latest Electro-Harmonix manuals
Electro-Harmonix Mod Rex Polyrhythmic Modulator User Manual
User Manual 20 pages · 519 KB · ENUser manual for the Electro-Harmonix Mod Rex, a polyrhythmic modulation unit with 4 sections, 9 tempo subdivisions, 100 presets, and full MIDI control.
Electro-Harmonix Ravish Sitar Sitar Emulator User Manual
User Manual 10 pages · 407 KB · ENThis manual provides setup instructions and operating guides for the Electro-Harmonix Ravish Sitar, a customizable sitar emulator pedal.
Electro-Harmonix 2880 Super Multi-Track Looper User Manual
User Manual 28 pages · 1.7 MB · ENUser manual for the Electro-Harmonix 2880 Super Multi-Track Looper, covering setup, recording, overdubbing, and mixdown.
Electro-Harmonix Deluxe Big Muff Pi User Manual
User Manual 4 pages · 230 KB · ENUser manual for the Electro-Harmonix Deluxe Big Muff Pi guitar effects pedal, covering controls, connections, and maintenance.
Electro-Harmonix Deluxe Electric Mistress User Manual
User Manual 4 pages · 115 KB · ENUser manual for the Electro-Harmonix Deluxe Electric Mistress flanger/filter matrix pedal, covering controls, power, and warranty.
Electro-Harmonix STEREO ELECTRIC MISTRESS Digital Flanger/Chorus User Manual
User Manual 4 pages · 83 KB · ENUser manual for the Electro-Harmonix STEREO ELECTRIC MISTRESS Digital Flanger/Chorus pedal, covering controls, effects modes, and warranty.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in Electro-Harmonix manuals
What are the modulation sections on the Mod Rex?
The Mod Rex has four modulation sections: MOD (Vibrato, Flanger, Chorus, Phaser), TREM (Tremolo), PAN (Modulated Panning), and FILTER (Modulated, Low-Pass, High-Pass, Band-Pass Filter).
From: Electro-Harmonix Mod Rex Polyrhythmic Modulator User Manual
How many tempo subdivision options are available?
Each modulation section has 9 tempo subdivision options, including whole note, half note, quarter note, eighth note, and sixteenth note.
From: Electro-Harmonix Mod Rex Polyrhythmic Modulator User Manual
Does the Ravish Sitar require batteries?
No, the unit does not take batteries and requires an external power supply.
From: Electro-Harmonix Ravish Sitar Sitar Emulator User Manual
Can I create my own custom sympathetic scales?
Yes, you can create custom scales with up to 14 notes, including microtones.
From: Electro-Harmonix Ravish Sitar Sitar Emulator User Manual
How do I record a multi-track loop?
Plug your instrument into LEFT or RIGHT inputs, adjust input knobs, raise DRY OUT fader, press NEW LOOP, then press RECORD to start recording on TRACK 1.
From: Electro-Harmonix 2880 Super Multi-Track Looper User Manual
How do I mix down my tracks?
Mix your 4 tracks down to one stereo mixdown track by hitting the PLAY button to stop any active loop, then using the mixdown function.
From: Electro-Harmonix 2880 Super Multi-Track Looper User Manual
