Doepfer A-121s VE

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Doepfer A-121s VE

Doepfer

A-121s VE

4.8 Expert Rating

Product Info

Article Number: 551514
Brand: Doepfer
Model: A-121s VE
Price: $284.90

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

The A-121s VE is a fantastic choice for anyone craving that classic, warm Moog-inspired filter sound in a Eurorack format. It's particularly well-suited for ambient, experimental, or retro-tinged electronic music where a touch of vintage character is essential. This is a workhorse module for serious modular explorers.

Product Description

  • Doepfer A-121s VE
  • Eurorack Module
  • Stereo multimode VCF
  • Vintage Edition with a black front panel
  • Each filter has continuously adjustable characteristics (from lowpass to notch and highpass to bandpass) with a switchable link function
  • Filter frequency and resonance controls for both filters
  • Bipolar delta F control for the difference between the two filter frequencies
  • CV inputs for filter frequencies 1 and 2
  • For both filter frequencies and Delta F
  • Each with a bipolar attenuator
  • CV input for each filter with attenuator for resonance or characteristic
  • configurable via jumper
  • Two audio inputs with level controls and two audio outputs
  • Slope: - 12dB/oct.
  • Current consumption: 100mA (+12V) / 100mA (-12V)
  • Width: 12 TE
  • Depth: 45 mm
PROS
  • • Vintage voicing delivers warm, organic tones ideal for classic synth sounds.
  • • Stereo operation expands sonic possibilities, creating rich, evolving textures.
  • • Delta F control offers unique filter interaction, pushing beyond standard VCFs.
  • • Robust Doepfer build quality ensures long-term reliability and stability.
CONS
  • • Limited filter modes compared to some modern, more flexible designs.
  • • 100mA power draw per rail can strain smaller Eurorack power supplies.
  • • Black front panel, while aesthetically pleasing, shows fingerprints easily.

Product Video

Key Features

Filter Type Multimode Voltage Controlled Filter (VCF)
Modes Lowpass, Notch, Highpass, Bandpass
HP Width 12 TE
Depth 45 mm
Power Draw 100mA (+12V) / 100mA (-12V)
CV Inputs 2 (Filter 1 & 2 Frequency), 1 (Delta F), 1 (Resonance/Characteristic)

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Frequently Asked Questions

It allows for a continuously changing difference in frequency between the two filters, creating complex, swirling modulation effects not achievable with a standard filter.
Yes, the bipolar attenuators provide a good range of control, allowing for both subtle and dramatic filter adjustments, though extreme modulation may require external attenuation.
While other options may offer more filter types, the A-121s VE excels in delivering that specific vintage Moog character and robust build quality at a competitive price point.

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