Octave Multiplexer
Electro-Harmonix Poistunut valikoimasta Julkaistu 2007 · Poistunut valikoimasta 2021

Octave Multiplexer

Analog sub-octave pedal that adds a bass tone one octave below the note played, with a blend control and two filters for shaping the sub signal. It is monophonic, so it suits bass and single-note guitar lines and can also be used on vocals.

  • Analog sub-octave one octave below the played note
  • Separate High Filter and Bass Filter controls
  • Sub switch and Blend (wet/dry) knob
  • Monophonic: works on single notes only
  • True bypass with Dry Out and Effect Out jacks
  • 9V battery included; die-cast chassis
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Kuvaus

The Octave Multiplexer is an analog sub-octave generator in a die-cast chassis. It produces a tone one octave under the played note and mixes it with the dry signal using a wet/dry Blend knob. It tracks single notes only, so chords will not work as intended.

The sub-octave can be shaped with two separate filters. The Bass Filter adjusts the fundamental and lower harmonics of the sub-octave, and a Sub switch brings that filter in or out. The High Filter adjusts the higher harmonics. A footswitch with a status LED engages the effect, and the pedal uses true bypass.

The instrument plugs into the input jack. The Effect Out jack goes to the amplifier, and a separate Dry Out jack is wired directly to the input for running a parallel path. Power comes from a 9V battery, which is included, or from an optional 9.6VDC 200mA adapter sold separately. The pedal was released in 2007 and discontinued in 2021.

Video

Tekniset tiedot

Merkki
Electro-Harmonix
Malli
Octave Multiplexer
Luokka
Efektit ja pedaalit

Audio

Circuit
Analog
Audio
Mono
Bypass
True Bypass
Effect type
Analog sub-octave generator

Controls

High Filter knob
Shapes the higher harmonics of the sub-octave
Bass Filter knob
Shapes the fundamental and lower harmonics of the sub-octave
Blend knob
Wet/dry
Sub switch
Switches the Bass Filter in and out
Footswitch
Engages/disengages the effect, with status LED

Inputs

Input jack
1, for instrument

Outputs

Effect Out jack
Connects to amplifier
Dry Out jack
Connected directly to the Input jack

Power

Power supply
9V battery included
Optional adapter
9.6VDC-200mA (not included)
Current draw
12mA

Physical

Dimensions (in)
4.75 x 4 x 2.25
Chassis
Die-cast

In the box

Battery
9V battery

Tiedot: ehx.com; kuvat: Electro-Harmonix product page · päivitetty 2026-10-13 · Löysitkö virheen? Kirjoita meille