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Average Price: $113
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$149
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Based on price data from 2 merchants for "Doepfer A-142-4 Quad Decay". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Unleash the rhythmic potential of your modular setup with the Doepfer A-142-4 Quad Decay. This compact Eurorack module offers four AD envelope generators, making it a versatile tool for shaping percussive sounds and dynamic modulation effects. With attack times preset at a snappy 3ms—reminiscent of the iconic TB303, yet adjustable from 1ms to 15ms—you have the flexibility to craft everything from sharp stabs to smooth fades. The decay times span from a lightning-fast 2ms to a more languid 2 seconds, ideal for diverse sonic explorations.
The A-142-4 doesn’t just excel in functionality; it’s also a space-saver, occupying only 8HP of your rack. Each output is equipped with an LED for visual feedback, and the module features normalized triggering inputs for streamlined operation. Whether you're producing short blips, long crashes, or anything in between, this module's simplicity and precision allow you to focus on creativity without getting lost in complexity. Perfect for both seasoned modular enthusiasts and those just starting their Eurorack journey, the Doepfer A-142-4 is a reliable addition to any modular synthesizer setup.
Key Features:
- Four AD envelope generators for Eurorack modular synthesizers
- Attack time preset to 3ms, adjustable from 1ms to 15ms
- Decay time ranges from 2ms to 2 seconds
- Ideal for creating percussion sounds and creative modulation effects
- Each output features an LED for visual monitoring
- Normalized triggering inputs
- Size: 8HP wide, 50mm deep
- Power usage: 30mA (+12V), 10mA (-12V)
Product specs
| Type | Quad Envelope Generator Eurorack Module |
| Controls | Decay |
| Depth | 1.96" (50mm) |
| HP Size | 8HP |
| Power Usage | +12V/30mA, -12V/10mA |
| Power Supply | Requires Eurorack case and power supply |
FAQs
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What does the Doepfer A-142-4 Quad Decay module do?
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The Doepfer A-142-4 Quad Decay module is a quad envelope generator designed for Eurorack systems, providing four identical decay envelopes. It is used to shape the amplitude of audio signals over time, typically in a modular synthesizer setup.
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How many decay envelopes does the Doepfer A-142-4 offer?
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The Doepfer A-142-4 Quad Decay module offers four separate decay envelopes, allowing you to control the decay phase of up to four signals independently within your Eurorack system.
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What is the size of the Doepfer A-142-4 Quad Decay module in HP?
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The Doepfer A-142-4 Quad Decay module has a width of 8HP, making it a compact addition to your Eurorack setup.
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What power requirements does the Doepfer A-142-4 Quad Decay module have?
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The Doepfer A-142-4 Quad Decay module requires a Eurorack case and power supply, using +12V/30mA and -12V/10mA.
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Can the Doepfer A-142-4 Quad Decay be used in any Eurorack system?
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Yes, the Doepfer A-142-4 Quad Decay is compatible with any standard Eurorack system, provided you have the necessary power supply and space in your rack.
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Reviews
PROS
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Four decay envelopes in just 8HP make it compact and efficient
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Sharp decay for creating snappy, rhythmic sounds
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Versatile in creating drum machine sounds with different rhythm triggers
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Enables varying decay for filter cutoff with sequential switch
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Can generate accents by mixing multiple decays
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Options for adding an attack portion via CV through a slew limiter
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Looping capabilities with circuit jumpers
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Constantly inspires new uses and creative applications
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Flashing LEDs provide clear visual feedback
CONS
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Doepfer A-142-4 Quad Decay.
Features and functionality
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The Doepfer A-142-4 Quad Decay lacks CV control, which limits its versatility compared to other envelope generators.
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Use cases and applications
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The A-142-4 is preferred for setups requiring multiple decay envelopes rather than full ADSR envelopes, making it suitable for users prioritizing decay over additional stages.
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Comparisons
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The A-142-4 is noted as being useful but less versatile than a full ADSR module, highlighting its specific utility in setups needing more decay stages.
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