Pricing and availability

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Average Price: $44

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$149

$350+

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Price History

Based on price data from 1 merchant for "Doepfer A-126-2 Expander". Prices shown reflect NEW condition. Tracking began Apr 7, 2026.

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Description

Unleash the full potential of your modular synth setup with the Doepfer A-126-2 Expander. Designed as a versatile companion for the A-126-2 frequency shifter, this module adds a new dimension to your sonic explorations. Whether you're crafting intricate soundscapes or pushing the boundaries of electronic music, the A-126-2 Expander offers two dome filter outputs and two ring modulator outputs to enrich and diversify your audio palette.

Dive into the depths of sound manipulation with separate outputs for both down-shift and up-shift signals, giving you precise control over your frequency modulation. The inclusion of an envelope follower signal output allows for dynamic and responsive sound shaping, reacting to the nuances of your performance. At just 2 HP wide, this expander fits seamlessly into your Eurorack, offering maximum functionality without sacrificing precious rack space.

Ideal for both seasoned modular enthusiasts and newcomers alike, the Doepfer A-126-2 Expander is a must-have for those looking to expand their sonic horizons. Its robust build and intuitive design make it an essential component in any modular synthesizer system.

Key Features:

  • Expander for A-126-2 frequency shifter
  • Two dome filter outputs
  • Two ring modulator outputs
  • Separate outputs for down-shift and up-shift signal
  • Envelope follower signal output
  • Width: 2 HP

Product specs

Available since February 2022
Width 2 TE / HP

FAQs

What is the primary function of the Doepfer A-126-2 Expander in a modular synth setup?

The Doepfer A-126-2 Expander is designed to enhance the capabilities of the A-126-2 Frequency Shifter module by providing additional control voltage inputs and outputs, offering more modulation possibilities for sound shaping.

How does the Doepfer A-126-2 Expander connect to the main A-126-2 module?

The expander connects to the main A-126-2 Frequency Shifter module via a ribbon cable, allowing for seamless integration and additional modulation options.

Does the Doepfer A-126-2 Expander require its own power supply?

No, the Doepfer A-126-2 Expander does not require its own power supply as it draws power from the main A-126-2 module through the connecting ribbon cable.

What additional controls does the Doepfer A-126-2 Expander provide?

The expander offers extra control voltage inputs for frequency and quadrature outputs, allowing for more complex modulation and audio processing capabilities within a modular setup.

Is the Doepfer A-126-2 Expander compatible with other frequency shifter modules?

The Doepfer A-126-2 Expander is specifically designed to work with the Doepfer A-126-2 Frequency Shifter module and may not be compatible with other frequency shifter modules.

Alex4

Alex4

Doepfer A-126-2 Voltage Controlled Frequency Shifter II

Video thumbnail for Doepfer A-126-2 Voltage Controlled Frequency Shifter II by Alex4

Doepfer A-126-2 Voltage Controlled Frequency Shifter II

Alex4

Alex4

Video thumbnail for Behringer Solina with Ribbon Controller and Doepfer A 126-2 Frequency Shifter by Ebotronix

Behringer Solina with Ribbon Controller and Doepfer A 126-2 Frequency Shifter

Ebotronix

Ebotronix

Video thumbnail for Doepfer A 126-2 with Expander  Frequency Shifter by Ebotronix

Doepfer A 126-2 with Expander Frequency Shifter

Ebotronix

Ebotronix

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Doepfer A-126-2 Expander.

Comparisons

  • The Doepfer A-126-2 is analog, offering a different sonic character compared to the digital Xaoc Koszalin, which excels in stereo signal processing.

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  • Users considering frequency shifters often compare the Doepfer A-126-2 with Tiptop/Buchla models, noting the latter's simultaneous up and down outputs.

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Features and functionality

  • The Collide 4 includes a frequency shifter but also functions as a standalone voice, offering extensive sound manipulation capabilities.

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  • The Doepfer A-126-2 expander is essential for achieving stereo phaser tremolo effects, providing up and down outputs or two 90-degree phase-shifting Dome filters.

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Use cases and applications

  • The Xaoc Koszalin is recommended for affecting mix buses or FX sends due to its stereo capabilities without signal distortion.

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  • Owners praise the Collide 4 for producing "nasty" atonal and distorted techno tones, making it ideal for experimental sound design.

    Source
  • The Doepfer A-126-2, paired with its expander, is recommended for creating spiral delay sounds akin to those in specific Joranalogue/Hainbach module demos.

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Setup and maintenance

  • The module requires a deep case, and some users utilize standoffs to accommodate its depth if their case isn't sufficiently deep.

    Source

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