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Pigtronix Mothership Analog Synthesizer Guitar Effects Pedal

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Product 581132
Product Price $0.00
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The Pigtronix Mothership is an analog synthesizer featuring VCO, Sub-Octave, and the world's first Intelligent Ring Modulator. Incredibly fast note r...Click To Read More About This Product

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Expands your tonal possibilities with the first-ever Intelligent Ring Modulator.

The Pigtronix Mothership is an analog synthesizer featuring VCO, Sub-Octave, and the world's first Intelligent Ring Modulator. Incredibly fast note recognition and enormous analog sound make this unique synthesizer ideal for use with guitar, bass, horns, vocals or any other musical instrument. No special pickup or interface is required.

At the heart of the Mothership effects pedal is a newly designed note detection circuit that achieves high-speed and accurate pitch to voltage translation. The Mothership is a true analog mono-synth with a limitless array of tuning options between its voices. This Pigtronix effects unit is capable of otherworldly tones that have never before been available in such a compact and easy-to-use format as well as some new sounds that reach into bizarre and uncharted musical territory. Are you ready to go there?


The main voice of the Pigtronix Mothership effects pedal is a VCO (Voltage-Controlled Oscillator) that outputs either triangle or square waves. The VCO can be tuned anywhere from 2 octaves above the input signal to 2 octaves below the input signal and functions over the entire range of both 5-string bass and 6-string electric guitar. An adjustable portamento (glide) effect can be added to produce subtle slides from note to note or outrageous multi-octave glissando maneuvers. An expression pedal jack for whammy control provides tunable pitch bending up to one octave using a standard TRS 20K Expression pedal. That's right: analog whammy.


The Pigtronix octave down is massive; it will shake your house. The Sub-Octave is always locked to the input signal, providing a warm and solid fundamental for whatever harmony you create with the other voices. A dedicated SUB Out jacks allows low frequencies from the Sub-Octave and Ring Modulator to be sent to a separate bass amp for maximum booty.

Intelligent Ring Modulator

In designing the Mothership, Pigtronix has created something never before heard by mankind: the pitch tracking ring modulator. Tune this ring modulator to the sound you desire and it will follow every note you play, retaining the exact harmonic intervals between its output and the signal it is tracking. A "ring mod source," switch lets the ring modulator follow either the input signal or the VCO signal, providing an immense array of analog textures and interactive harmony. The Mothership's glide and whammy functions also apply to the intelligent ring modulator, letting the musician morph one harmony into another and then back again.

  • Triangle- or square-wave VCO
  • Pitch-Tracking Ring Modulator
  • Fast and accurate tracking
  • Variable portamento
  • F.A.T. Sub-Octave
  • Analog whammy
  • External gate
  • Individual voice levels and master volume
  • Pigtronix 40VDC power supply included
  • Circuit design by Howard Davis
  • True bypass

Review Snapshot

by PowerReviews
PigtronixMothership Analog Synthesizer Guitar Effects Pedal

(based on 4 reviews)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 4 customers

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(10 of 11 customers found this review helpful)


Super Fun Toy IF you have the $$$ to burn

By YayForGuitars

from Washington, DC

See all my reviews

Comments about Pigtronix Mothership Analog Synthesizer Guitar Effects Pedal:

Does everything I expected it to do. But bear in mind it is a single-note synth--if you try playing chords or something with it, you are going to be really bummed. It's for playing super funky or outer-space sounding quick runs or melodies--not chording rhythms or harmonizing or fingerpicking(?).
Tons of adjustments. I especially like the fact that you can adjust the dry level independently from the VCO level and the Ring Mod levels. Choice between sawtooth and square waveforms also really flexible, along with the ability to tune it to whatever intervals you want for either harmonic or discordant sounds.
Never had a single quality control issue. This is a unit that takes some experimentation and, unlike simple disto boxes or simpler modulation effects (like flangers, phasers, chorus, etc.), you definitely want to READ THE MANUAL so you know what the heck you are getting into. Has taken some abuse at shows and keeps on ticking.
Hard to give it high marks for value because it is so damn expensive. I mean, I wouldn't have thrown down this kind of rock if I didn't put a high value on the ability to make weird-ass sounds, but some people don't see much need for this kind of thing.

(5 of 5 customers found this review helpful)


Fat analog tone

By mrdoghead

from Providence, RI

Comments about Pigtronix Mothership Analog Synthesizer Guitar Effects Pedal:

Reviewing a damaged unit makes no sense.In my experience, this box delivers porky '70s analog-synth tone. From subtle dreamland warbles to full-on, crazy close encounters, the Mothership gives rich mono- and duotone leads and pads. It is not a harmonizer but rather a monster ring mod with a monosynth welded to its core.Experiment and enjoy.

(3 of 13 customers found this review helpful)


What's that noise?

By The Little Piggy

from Southern CA

See all my reviews

Comments about Pigtronix Mothership Analog Synthesizer Guitar Effects Pedal:

Analog Synth? Ths thing has more digital artifacts (or just plain cycliic analog noise) than anything I have tried dealing with. Save a lot of money and look at the POG2. I bought it at NAMM and it must have not been tested or something ridiculous like that. The VCO generates a horible buzzing sound without an input and sometimes erratically when playing. It is NOT the VCO signal itself; and the overall signal gets so compressed you lose any tonal quality you had to start with. I am so disappointed I will never use any of their stuff again, even if I have players that love the philosopher's tone. I feel ripped off and wish I could just get my money back from Pigtronix.Heck, a MOOG ring mod has more control than this 'intelligent' ring mod. Nothing smart about this unit.

(1 of 2 customers found this review helpful)


Great fun and cool sounds

By roadhouse

from Tampa, FL

About Me Experienced

Comments about Pigtronix Mothership Analog Synthesizer Guitar Effects Pedal:

This is a really great pedal with some sweet synth tones on hand. It's not for everyone but if you want nice old synth tones this is it. Somewhat poor tracking at times, you have to be careful with your picking. A lot of fizzle at the end of notes if it sustains too long. Great overall though!

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See All Pigtronix Harmony & Octave Effects Pedals
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