# Electro-Harmonix Octave Multiplexer Big Box Analog Sub-Octave Pedal

> Item 620265 · Pedals and DJ gear

$129
Prices are before tax, plus GST and PST.

## Hold this item
Leave your name and how to reach you. We check that it is still here and hold it for you.

### How to pay
1. Wait for our call or email. We confirm the item is still here before you pay.
2. Send an Interac e-Transfer to info@a1tradeandloan.com. Put the item number in the message.
3. Pick it up in store. You can also pay by debit or cash at the counter.

## Hold card
Hold this item: call (604) 875-8005 and give item number 620265.
Reserved items are held for 48 hours.
Show this card at the counter.
Store purchases and reserved items: pay by Interac e-Transfer to info@a1tradeandloan.com, or by debit or cash in store.

## Condition and what is included
Electro-Harmonix Octave Multiplexer Analog Sub-Octave Generator.

Large-box EHX analog octave pedal for deep sub-octave bass tones, synth-like textures, and vintage single-note tracking.

The Electro-Harmonix Octave Multiplexer is a classic analog sub-octave pedal built to generate a note one octave below the note you play.

This large-box NYC version gives players more tone-shaping control than a basic octave-down pedal. The High Filter shapes the upper harmonic bite of the octave voice, the Bass Filter shapes the deeper low-end content, and the Blend control balances dry signal with the generated sub-octave. The Sub switch activates the deeper Bass Filter section for thicker, bassier octave sounds.

It also includes separate Dry Out and Effect Out jacks, which is useful for wet/dry routing, sending the dry signal to one amp and the octave effect to another, or separating the original instrument from the sub-octave signal in a studio or live setup.

### Condition

Good used/player-grade cosmetic condition with visible wear throughout. The enclosure shows surface patina/oxidation, scratches, scuffs, finish wear, label wear, small marks around the edges, and normal signs of previous pedalboard use.

The bottom has a large Velcro-style pad attached with visible adhesive residue/marks around it. The pedal presents as a well-used working player’s pedal rather than a collector-clean example.

Pedal only. No box, power supply, 9V battery, manual, cables, or additional accessories included.

### Not Included

Original box, power supply, 9V battery, instrument cables, manual, paperwork, or additional accessories.

### Key Details

Brand: Electro-Harmonix. Model: Octave Multiplexer. Effect Type: Analog sub-octave / octave-down generator. Version: Large-box NYC-style version. Made In: NYC, USA. Controls: High Filter, Blend, Bass Filter. Switch: Sub On/Off. Bypass: True bypass. Audio: Mono. Jacks: Input, Dry Out, Effect Out. Power: 9V battery or 9VDC center-negative adapter. Current Draw: 12mA.

### Key Features

Analog Sub-Octave Generator: Creates a note one octave below the played note for deep, heavy, synth-like tones. High Filter Control: Shapes the brighter harmonic content of the generated octave, allowing anything from smoother lows to gnarlier, fuzzier octave textures. Bass Filter Control: Adds deeper low-frequency shaping when the Sub switch is engaged. Blend Control: Mixes the original dry signal with the sub-octave effect. Sub Switch: Engages the deeper Bass Filter section for thicker, bassier octave sounds. Separate Dry and Effect Outputs: Useful for wet/dry rigs, dual-amp setups, studio routing, or blending the octave signal externally.

---

A-1 Trade & Loan Ltd.
- 2641 Commercial Drive, Vancouver, BC V5N 4C3
- (604) 875-8005
- Monday to Saturday, 10 am to 4 pm. Closed Sundays and statutory holidays.
- Come in for a free quote

## Find us
- [Instagram](https://www.instagram.com/a1pawns/)
- [Facebook](https://www.facebook.com/a1tradeandloan/)
- [X](https://twitter.com/A1Trade)
- [Threads](https://www.threads.net/@a1pawns)
- [Pinterest](https://www.pinterest.ca/A1Pawns/)
- [Yelp](https://www.yelp.ca/biz/a-1-trade-and-loan-vancouver)
- [Google Maps](https://www.google.com/maps?cid=3498074861323543222)