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This page about Sunsine Audio Harmonic Decoder is a stub. You can help improve it:

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Sunsine Audio Harmonic Decoder

Sunsine Audio Harmonic Decoder

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Find out who is using Sunsine Audio Harmonic Decoder

Merzbow

Toshiji Mikawa

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Page last updated Aug 10, 2025

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Description

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The Harmonic Decoder can sound like a fuzz, an octave/harmony pedal, a filter/wah, a complex waveshaper or some crazy bent 8 bit glitch box but all of it’s effects are derived from an analog VCO, a phase detector, and a simple filter in an arrangement known as a Phase Lock Loop. At the heart of the Harmonic Decoder is a true single oscillator analog synthesizer. It effectively resynthesizes any signal delivered at the input, providing extreme waveshaping and harmonic effects in the analog domain.

The frequency of the VCO can be modulated either by the internal envelope follower or via the external control voltage input.

Phase Lock Loop (PLL) Device
Analog VCO
Envelope Follower
External Control Voltage Input (1/8 inch)
Accepts any 2.1mm 9 Volt Negative Pin DC Adapter (not included)
High Quality Components
Rugged Aluminium Knobs and Enclosure
All Analog Signal Path
True Bypass
Numbered, Signed, Dated
One Year Electronics Warranty
Hand made in the USA

Videos

sunsineaudio

Harmonic Decoder - Sunsine Audio

Video thumbnail for Harmonic Decoder - Sunsine Audio by sunsineaudio

Harmonic Decoder - Sunsine Audio

sunsineaudio

Video thumbnail for Sunsine Audio Harmonic Decoder pedal demo with MJT Strat & Dr Z Zwreck by gearmanndude

Sunsine Audio Harmonic Decoder pedal demo with MJT Strat & Dr Z Zwreck

gearmanndude

Video thumbnail for Sunsine Audio Harmonic Decoder Demo by MusicGearFast.com by Music Gear Fast

Sunsine Audio Harmonic Decoder Demo by MusicGearFast.com

Music Gear Fast

Music Gear Fast

Video thumbnail for Sunsine Audio Harmonic Decoder by Perfect Circuit

Sunsine Audio Harmonic Decoder

Perfect Circuit

Perfect Circuit

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Sunsine Audio Harmonic Decoder.

Features and functionality

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The Sunsine Audio Harmonic Decoder combines fuzz, bit crusher, and ring modulation for creating unique and unconventional sounds.
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Use cases and applications

0 0

Ideal for musicians seeking to explore chaotic and experimental soundscapes, offering a broad palette of weird and twisted noises.
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User experience

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Owners appreciate the Harmonic Decoder's ability to produce a variety of odd sounds, making it a favorite for knob-twisting and sonic exploration.
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Based on 0 Reviews and 0 Ratings

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Artist usage

See how Merzbow uses Sunsine Audio Harmonic Decoder

Merzbow

Composer, Music Producer

Kikuri

Verified via Twitter

A Harmonic Decoder can be seen near the middle of a setup photo posted to Merzbow's Twitter.

See how Toshiji Mikawa uses Sunsine Audio Harmonic Decoder

Toshiji Mikawa

Composer, Music Producer

Incapacitants

Verified via Twitter

In a Twitter post by @pukka_white14, you can see the Sunsine Audio Harmonic Decoder on the table, confirming that Toshiji Mikawa uses this gear.

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

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Used With

Based on how musicians on Equipboard use Sunsine Audio Harmonic Decoder, it is most commonly used with the following gear.

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