Doepfer A-126-2 Frequency Shifter

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Doepfer A-126-2 Frequency Shifter

Doepfer

A-126-2 Frequency Shifter

4.9 Expert Rating

Product Info

Article Number: 532021
Brand: Doepfer
Model: A-126-2 Frequency Shifter
Price: $394.90

* Prices may vary. Check retailer for current pricing and availability.

The A-126-2 is a seriously cool module for adding metallic textures and rhythmic complexity to your sounds. Its squelch function is its real magic, and the internal quadrature oscillator is a huge time-saver. It’s a fantastic choice for experimental electronic musicians and anyone wanting to push the boundaries of sound design.

Product Description

  • Doepfer A-126-2 Frequency Shifter
  • Eurorack Module
  • Analogue frequency shifter for audio signals
  • Coarse and fine control for frequency shift
  • range approx. 20 - 5000 Hz
  • Mix control for mixing down-shift and up-shift signal
  • Adjustable squelch function with integrated VCA and envelope follower
  • Level control with overload LED
  • Internal quadrature oscillator with sine and cosine outputs
  • Sine and cosine inputs for external VCO
  • CV input with attenuator for frequency and mix
  • CV control input for VCA
  • Audio input and output
  • Expandable with optional A-126-2 expander module
  • Current consumption: 80mA (+12V) / 70mA (-12V)
  • Width: 8 HP
  • Depth: 60 mm
PROS
  • • Excellent squelch function creates unique rhythmic textures.
  • • Internal quadrature oscillator simplifies complex modulation setups.
  • • Coarse/fine controls offer precise frequency shifting range.
  • • Solid Doepfer build quality; feels robust and dependable.
CONS
  • • 8HP footprint can be restrictive in smaller modular systems.
  • • Squelch circuit can be a bit noisy at higher settings.
  • • Limited modulation options beyond the included CV inputs.

Product Video

Key Features

Effect Type Frequency Shifter
Controls Coarse/Fine Frequency Shift, Mix, Squelch, Level, Attenuator
HP Width 8
Depth 60 mm
Power Draw 80mA (+12V) / 70mA (-12V)
CV Inputs Frequency, Mix, VCA

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Frequently Asked Questions

The squelch acts more like a dynamic filter, cutting frequencies based on the input signal's amplitude, unlike a gate's on/off behavior.
Absolutely; the sine and cosine inputs are designed for external VCOs, allowing for far wider and more complex frequency shifts than the internal oscillator provides.
It's versatile! While capable of intense metallic sounds, careful attenuation of the CV inputs can create subtle, evolving timbral shifts.

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