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Doepfer A-127 VCRF Triple Controlled Resonance Filter

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Doepfer A-127 VCRF Triple Controlled Resonance Filter

$195.04 to $198.00 Price Tier: Standard

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Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 2 stores. Prices updated July 4, 2026.

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Price

$195.04 2 available New

$215.00 1 available Used

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4.8 (6)

$198.00

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Average Price: $203

Standard/Professional

$149

$350+

Price Tier

In the Modular Synthesizers category, Doepfer A-127 VCRF Triple Controlled Resonance Filter is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

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Price History

Based on price data from 1 merchant for "Doepfer A-127 VCRF Triple Controlled Resonance Filter". Prices shown reflect NEW condition. Tracking began Apr 7, 2026.

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Description

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Elevate your sonic exploration with the Doepfer A-127 VCRF Triple Controlled Resonance Filter. This modular synthesizer module is an essential tool for any musician looking to craft unique soundscapes and textures. With three independently controlled resonance filters, the A-127 VCRF opens up a world of possibilities, offering both depth and versatility to your modular setup. Whether you're sculpting intricate harmonics or adding a subtle touch of resonance, this module ensures precision and creativity at your fingertips.

The triple filter design allows you to manipulate each filter's frequency and resonance separately, providing unparalleled control over your sound. This makes it an ideal choice for both experimental sound designers and traditional musicians alike. The A-127 is also designed to be expandable, accommodating an additional module for even broader sonic capabilities. Its compact size and efficient power consumption make it a convenient addition to any Eurorack system.

For those who thrive on creative possibilities, the Doepfer A-127 VCRF promises to be a loyal companion in your musical journey. Dive into a new dimension of sound and let your creativity flow with this indispensable module.

Key Features:

Triple independently controlled resonance filters
Suitable for expanding with additional notch filters
Compact and efficient with a width of 28 HP
Depth of 55 mm for easy integration into your setup
Power requirements: +100 mA (+12V) / -60 mA (-12V)

Product specs

Available since	June 2007
Width	28 TE / HP

FAQs

What is the primary function of the Doepfer A-127 VCRF Triple Controlled Resonance Filter?: The Doepfer A-127 VCRF is a modular synthesizer module that provides triple voltage-controlled resonance filters, allowing users to shape and modulate sound frequencies with precision.
How many filter channels does the Doepfer A-127 VCRF have?: The Doepfer A-127 VCRF features three independent filter channels, each with its own resonance control, enabling complex sound sculpting and modulation.
Is the Doepfer A-127 VCRF suitable for beginners in modular synthesis?: While the Doepfer A-127 VCRF offers advanced features for sound modulation, its straightforward design makes it accessible for beginners who want to explore resonance filtering in modular synthesis.
Can the Doepfer A-127 VCRF be used in a Eurorack system?: Yes, the Doepfer A-127 VCRF is designed to fit into a Eurorack modular synthesizer system, with a width of 28 HP.
What kind of sound shaping can I achieve with the Doepfer A-127 VCRF?: The Doepfer A-127 VCRF allows for detailed sound shaping through its triple resonance filters, making it ideal for creating dynamic and evolving sound textures.

Videos

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Raul's World of Synths

Doepfer A127 VCRF Triple Voltage Controlled Resonant Filter Part One-Introduction

Raul's World of Synths

Doepfer A127 VCRF Triple Voltage Controlled Resonant Filter Part Two-Modulation

Raul's World of Synths

Doepfer A127 Triple Voltage Controlled Resonant Filter Part Four-Audio Rate Modulation

Raul's World of Synths

Doepfer A127 Triple Voltage Controlled Resonant Filter Part Three-More Modulation

Raul's World of Synths

Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Doepfer A-127 VCRF Triple Controlled Resonance Filter.

Features and functionality

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Doepfer A-127 VCRF offers multi-mode filtering capabilities, allowing users to explore a wide range of tonal variations suitable for both traditional and experimental sounds.
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Patching the output of a filter back into its input or a VCA can create resonant effects, demonstrating the A-127's potential for feedback experimentation.
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The Doepfer A-127 VCRF is praised for its ability to morph between filter types and sequence the filter chain, offering unique response curves.
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The A-127 is highlighted for its ability to blend three different filter results into a single output, making it versatile for diverse audio applications.
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Use cases and applications

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The A-127 VCRF is particularly effective in creating natural movement in subtractive monosynth patches by tying filter cutoff to ADSR envelopes and sequencer gate lengths.
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The Doepfer A-127 VCRF can be used for both subtle tone shaping and more extreme, creative sound design, making it versatile for various musical styles.
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It's noted that the A-127 can create complex sound textures when used with slower evolving modulation via LFOs, ideal for deep sound exploration.
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Comparisons

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Owners often compare the Doepfer SEM filter favorably for its thick sound when the level knob is cranked, suggesting it for users who want "thicc" tones.
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While the A-127 excels in creating intricate soundscapes, it's noted that the Doepfer SEM filter may offer superior high-pass clarity but can suffer from noise leakage issues.
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User experience

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Some users find using filters like the Doepfer A-127 VCRF as sound sources more appealing, highlighting their flexibility beyond traditional filtering roles.
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Some users appreciate the A-127 for its triple resonant capabilities, noting a preference for more modulation inputs to enhance its sound-shaping potential.
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Mods and upgrades

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For users seeking more extreme resonance effects, pairing the A-127 with a noise engineering module like the Terci Ruina in the resonance path is recommended.
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