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Circuits Blog

3 Leaf Audio Chromatron

3 Leaf Audio Chromatron

February 12, 2019

The Chromatron is the result of 10 years tweaking, refining and reimagining the state variable filter circuit. It is an optically-controlled analog filter that can switch between envelope control and manual control via expression pedal with the push of a button. The envelope detector is an original design, producing a musical filter response that spans a broad range of tones from vintage quack to future-synth psychedelica.

Selah Quartz Timer v3

Selah Quartz Timer v3

February 05, 2019

Packed in this small footprint is a controller that can be completely customized to your liking and will let you control your entire pedal board from the one place. Not only can you control your devices via Midi, but also via the 4 TRS Jacks (most commonly used as tap tempo outputs).

Greer Amps Supa Cobra

Greer Amps Supa Cobra

December 03, 2018

The Greer Amps Supa Cobra is a versatile and touch sensitive overdrive.  The Supa Cobra offers the user incredible flexibility in a small form factor, with natural, amp like breakup and sensitivity.  The 3 position toggle allows for flexibility in the clipping style and texture.  

Spaceman Effects Mercury IV

Spaceman Effects Mercury IV

November 26, 2018

The Mercury IV is a dynamic tone enhancer, created to bring out additional harmonic character from instruments and amplifiers.  The pedal features a unique, discrete analog circuit, with a meticulously selected vintage germanium transistor at its heart.

Hungry Robot Pedals The Wardenclyffe

Hungry Robot Pedals The Wardenclyffe

November 12, 2018

The Wardenclyffe is a lo-fi ambient modulator.  Inspired by Nikola Tesla's Wardenclyffe tower, the pedal attempts to capture the essence of one of the most mysterious and odd scientists of the century.  

Spaceman Explorer Deluxe: 6 Stage Optical Phaser

Spaceman Explorer Deluxe: 6 Stage Optical Phaser

September 27, 2018

The Explorer Deluxe is an optical, photocell-based phaser design, featuring six sweeping stages. From your favorite vintage tones, to strange experimental sounds; the unique control set provides an incredible range of phase tones, with an easy-to-use layout.

Adventure Audio Glacial Zenith II

Adventure Audio Glacial Zenith II

September 19, 2018

GZII is a Drive, a 3-band EQ, and a Boost, all in a box together. What
really takes it to the peak is the ability to put them in effectively whatever order you want.

Death By Audio Deep Animation

Death By Audio Deep Animation

September 04, 2018

This is the Deep Animation and it's so good it hurts. This crazy goofball responds to how you play, enveloping and filter sweeping and overdriving. Finally, the perfect wave-thumper moving with how hard you hit your strings.

Alexander Pedals Space Race

Alexander Pedals Space Race

August 28, 2018

The Space Race is a humble homage to the sounds of “elsewhere,” and features six ingenious ways to add some space to your place, whether you're reaching for the stars or just trying to make your world a little bigger.

Land Devices EP-5 Preamp

Land Devices EP-5 Preamp

August 21, 2018

Echoplex preamp with buffer and voltage doubler. Switch between three different settings: glassy, fat and cranked!

Goodwood Audio Audition

Goodwood Audio Audition

August 13, 2018

Audition allows you to patch in a new pedal to your pedalboard without having to re-wire your entire board.

Alexander Pedals Colour Theory

Alexander Pedals Colour Theory

July 25, 2018

The Colour Theory combines a versatile eight-step sequencer with a powerful effects processor, creating rhythmic combinations seldom heard outside of a rack of synths. It’s small but mighty, utilizing our Neo Series technology in a completely new way.

Rainger FX Reverb-X Digital Reverb Mini Pedal

Rainger FX Reverb-X Digital Reverb Mini Pedal

July 10, 2018

A digital reverb mini-pedal, simple to use, but giving a whole selection of unique – and very useful – new sounds. It’s based around an FV-1 chip, and comes with an Igor expression pad for real-time control.

Industrialectric Incinerator

Industrialectric Incinerator

July 03, 2018

Incinerator is a pure rare silicon transistor based dual channel fuzz with dual chaos oscillators, It can be used as a synth of sorts and so much more.

Dr Scientist BitQuest

Dr Scientist BitQuest

June 27, 2018

Complete with eight digital effects that work with or without a built in digital fuzz, the BitQuest offers flanger, HP/LP filter, bit crusher, infinite reverb, notch filter, ring mod, pitch shift and glitch delay, all in one pedal. No matter where the future takes you, BitQuest has got you covered.

Hungry Robot Moby Dick v2

Hungry Robot Moby Dick v2

June 21, 2018

The Moby Dick V2 brings up to date one of the first pedals that put Hungry Robot on the map. The original Moby Dick is well known for its chimey, tape-emulating delay line with slight lo-fi imperfections and subtle modulation; a “back-to-basics” delay in the world of multi-mode DSP delays.

The V2 has an obviously smaller footprint, but the most exciting changes lie in the circuit updates. When I started designing the V2, I knew that I didn’t just want to just make a miniature version of the Moby Dick. I wanted to further explore the sonic capabilities of the tape-emulation, specifically in a lo-fi, wrecked-tape context.

Beetronics FX Royal Jelly Overdrive/Fuzz

Beetronics FX Royal Jelly Overdrive/Fuzz

June 04, 2018

The Royal Jelly is an overdrive/fuzz blender like no other pedal. It can cover any ground from overdrive to fuzz, running two circuits in parallel and giving you the possibility of blending it or having them separately. It also has two presets of the blend, called Queen and King. The presets allow you not only to have two different sounds on the fly, but also make for a very natural transition between them, since instead of switching pedals, you are mixing the levels between your overdrive and fuzz.

Dwarfcraft Grazer Micro-Sampler

Dwarfcraft Grazer Micro-Sampler

May 30, 2018

Grazer is a micro-sampling MONSTER of sounds.


Hudson Electronics Broadcast

Hudson Electronics Broadcast

May 09, 2018

The Broadcast is a transformer coupled, discrete Class-A germanium pre-amplifier based on the classic broadcast consoles of the 1960s.

Alexander Pedals Defender Stargate Drive

Alexander Pedals Defender Stargate Drive

May 01, 2018

As captain of the Defender, your mission is to protect the galaxy using the awesome power of the Stargate Drive. Blast off from your deep space base and take control of the universe.

Lauren Audio Spitfire Demo

Lauren Audio Spitfire Demo

April 17, 2018

The SPITFIRE is a multi-clipping overdrive/distortion that is equipped with 6 discrete clipping stages. From clean overdrive to heavy clipping, each of the 6 stages has a unique tone and distortion characteristic.

Hungry Robot Pedals El Castillo Demo

Hungry Robot Pedals El Castillo Demo

April 11, 2018

El Castillo is an arpeggiating reverb. Inside the feedback loop there is a pitch up/down section of circuit that creates a very unique stair-step effect... changing the pitch higher and/or lower with each successive trip through the feedback loop.

Adventure Audio Outer Rings Demo

Adventure Audio Outer Rings Demo

April 10, 2018

Outer Rings multiplies your input signal by an internal square wave oscillator. This multiplication produces a square wave containing harmonic energy mathematically related to the harmonic content of your input signal and the oscillator. That can then be added together with your post-gain signal for some truly outer galaxy tones.

Hologram Infinite Jets // Trigger Modes Demo

Hologram Infinite Jets // Trigger Modes Demo

April 03, 2018