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Description

Step into the world of seamless pitch modulation with the MXR M-129 Pitch Transposer. Designed for musicians and producers who crave precise pitch shifting, this iconic effects processor offers a blend of simplicity and versatility that has made it a staple in studios and live setups worldwide. With the M-129, you can transport your sound across octaves or add subtle harmonies, all while maintaining the integrity of your original tone.

The M-129 features intuitive controls that allow you to adjust the pitch with precision. Its compact form factor makes it an ideal addition to any pedalboard or rack setup, ensuring it fits seamlessly into your existing gear collection. Whether you're crafting complex soundscapes in the studio or adding a unique twist to your live performances, the M-129 delivers consistent and reliable results.

Musicians appreciate the M-129 for its robust analog circuitry, which ensures minimal signal loss and preserves the warmth of your sound. Whether you're a guitarist, bassist, or keyboardist, the M-129 Pitch Transposer offers a broad range of tonal possibilities, making it a versatile tool for creativity.

Key Features:

  • Iconic pitch modulation effects processor
  • Intuitive pitch adjustment controls
  • Compact and pedalboard-friendly design
  • Robust analog circuitry for minimal signal loss
  • Suitable for guitars, basses, and keyboards
  • Ideal for both studio and live performance settings

Product specs

Brand MXR
Model MX-129 Pitch Transposer
Finish Blue
Year 1976 - 1979
Made In United States
Categories Octave and Pitch-Shifting Pedals
Color Family Blue
Pedal Format Rackmount

FAQs

What is the primary function of the MXR M-129 Pitch Transposer?

The MXR M-129 Pitch Transposer is designed to shift the pitch of an audio signal, allowing musicians and producers to create harmonies or special effects by altering the pitch in real-time.

Is the MXR M-129 Pitch Transposer suitable for live performances?

Yes, the MXR M-129 Pitch Transposer is suitable for live performances, offering real-time pitch-shifting capabilities that can enhance live sound with harmonies or creative effects.

Can the MXR M-129 Pitch Transposer be used with both guitars and vocals?

The MXR M-129 Pitch Transposer can be used with various audio sources, including guitars and vocals, to transpose pitch and create unique sound textures.

How does the rackmount format of the MXR M-129 Pitch Transposer benefit studio setups?

The rackmount format of the MXR M-129 Pitch Transposer allows it to be easily integrated into studio rack systems, saving space and providing a stable setup for consistent use.

Alex Ball

Alex Ball

A Unique Vintage FX Box

Video thumbnail for A Unique Vintage FX Box by Alex Ball

A Unique Vintage FX Box

Alex Ball

Alex Ball

Video thumbnail for MXR Pitch Transposer M-129 + MXR Digital Delay M-113 + Roland TR808 Demo by Synth Tailor Electronics

MXR Pitch Transposer M-129 + MXR Digital Delay M-113 + Roland TR808 Demo

Synth Tailor Electronics

Synth Tailor Electronics

Video thumbnail for MXR Pitch Transposer by IplayMusic2

MXR Pitch Transposer

IplayMusic2

IplayMusic2

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about MXR M-129 Pitch Transposer.

Use cases and applications

  • The MXR Pitch Transposer is noted for achieving Stuart Adamson’s tone with an octave up effect, 1/8th note delay, and some repeats.

    Source

Comparisons

  • While the Whammy Ricochet is suggested as an alternative, it doesn't fully replicate the unique characteristics of the MXR Pitch Transposer.

    Source

Features and functionality

  • The MXR unit is valued for its unique combination of effects rather than using pitch control and chorus simultaneously, highlighting its specific sound signature.

    Source

4.5 out of 5

Based on 0 Reviews and 4 Ratings

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Artist usage

Add artist
See how David Gilmour uses MXR M-129 Pitch Transposer

David Gilmour

Guitarist

Pink Floyd

...
Verified via Gilmourish

David Gilmour used the MXR M-129 Pitch Transposer during the About Face tour, as confirmed by Bjorn on the website Gilmourish.

See how The Edge uses MXR M-129 Pitch Transposer

The Edge

Guitarist

U2

...
Verified via Photo

In this live image from 1984/5, Edge's M-129 unit can be seen in the rack behind him, with the MXR Pitch Transposer Display unit directly above it. (Note: the image has been flipped horizontally, which you can see if you zoom in on the MXR logo.)

See how Billy Corgan uses MXR M-129 Pitch Transposer

Billy Corgan

Singer, Guitarist

The Smashing Pumpkins

...
Verified

This effects processor was sold on Billy Corgan’s official Reverb.com shop.

See how DJ Shadow uses MXR M-129 Pitch Transposer

DJ Shadow

Music Producer, DJ

Nite School Klik

...
Verified via Tapeop

The MXR Pitch Transposer. It was something that Mario Caldato Jr. from the Beastie Boys introduced me to. That's one of the few pieces of outboard gear that I've ever sought out and bought. I used it a lot during my DJ set when I was touring Europe with Radiohead.

See how Jay Watson uses MXR M-129 Pitch Transposer

Jay Watson

Guitarist, Drummer

Tame Impala

...
Verified via Photo

In the first and third images of this Instagram post from August 2022, an MXR pitch transposer can be seen rackmounted on Jay’s desk directly next to an Eventide Clock Works Instant Flanger.

See how Moderat uses MXR M-129 Pitch Transposer

Moderat

Music Producer

...
Verified via Musicradar

In picture 10/11 a vintage MXR Pitch Transposer can be seen.

See how Ty Tabor uses MXR M-129 Pitch Transposer

Ty Tabor

Guitarist

King's X

...
Verified via Abalonevintage

Ty Tabor purchased the MXR M-129 Pitch Transposer on July 22, 1992, as noted on Abalonevintage.

See how Trevor Rabin uses MXR M-129 Pitch Transposer

Trevor Rabin

Guitarist

Yes

...
Verified via Guitarplayer

Trevor remembers using it on the recording of "owner of a lonely heart".

See how Nigel Godrich uses MXR M-129 Pitch Transposer

Nigel Godrich

Music Producer

Radiohead

...
Verified via Photo

Another section of Nigel’s rack setup in the “morning room” at Halswell Morning in Oct/Nov 2006, during the recording of Radiohead’s In Rainbows. The top rack includes his Roland RE201 Space Echo, Roland DC30 Analogue Chorus-Echo, and AMS RMX 16 reverb (note the distincitve AMS keypad). The bottom rack inlcude an MXR M-126 Flanger / Doubler Model and an MXR M-129 Pitch Transposer.

See how Stuart Adamson uses MXR M-129 Pitch Transposer

Stuart Adamson

Singer, Guitarist

Big Country

...
Verified

This article states that Adamson had a rack mounted M-129 with an on/off pedal for easy use on stage.

See how Daniel Miller uses MXR M-129 Pitch Transposer

Daniel Miller

Keyboardist, Music Producer

...
Verified via YouTube

3:11 - seen in the video

See how Carlos Cavazo uses MXR M-129 Pitch Transposer

Carlos Cavazo

Guitarist

Ratt

...
Verified via YouTube

Carlos calls his MXR M-129 Pitch Transposer "The Blast-O-Flexer" and uses it to achieve a doubling effect, as demonstrated in the YouTube video "Carlos Cavazo - Star Licks 1984".

Album Usage

The MXR M-129 Pitch Transposer has been featured on the following albums:

Used With

Based on how musicians on Equipboard use MXR M-129 Pitch Transposer, it is most commonly used with the following gear.

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1
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1
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Dangerous Music DAC-ST Studio Monitor Management
1

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