Doepfer A-183-3 Amplifier

$56.00 to $75.00 Price Tier: Budget

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Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 3 stores. Prices updated July 3, 2026.

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$75.00

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$56.77 6 available New

$44.00 3 available Used

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4.7 (26)

$56.00

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Average Price: $58

Budget/Beginner

$149

$350+

Price Tier

In the Modular Synthesizers category, Doepfer A-183-3 Amplifier is priced in the Budget/Beginner range. This is great gear to get started with or for creators on a budget.

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Price History

Based on price data from 2 merchants for "Doepfer A-183-3 Amplifier". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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The Doepfer A-183-3 Amplifier is a versatile tool for any modular synthesizer enthusiast looking to maintain precise control over signal levels in their Eurorack setup. This compact module is adept at handling both control voltages and audio signals thanks to its DC coupling feature, making it a reliable choice for a range of applications. Whether you need to amplify low-level signals or attenuate those that are too hot, the A-183-3 has you covered with its intuitive three-way switch, offering amplification scales of 1x, 2x, or 4x. Simply adjust the Level knob to fine-tune your signals to perfection.

One of the standout features of the Doepfer A-183-3 is its overload LED indicators, which provide a clear visual cue when your signal voltage strays beyond the optimal range, ensuring your audio remains clean and distortion-free. Designed to be user-friendly yet powerful, this module is an essential addition to any growing Eurorack system, providing seamless signal management without the fuss.

Key Features:

Amplifier/attenuator module for Eurorack
DC coupling for processing audio and CV signals
Select from 1x, 2x, and 4x amplification ranges
Overload LEDs indicate when signal voltage is too high or low
Compact size: 4hp width, 20mm depth
Power usage: +20mA (+12V)/-10mA (-12V)

Product specs

Type	CV/Audio amplifier
Analog Inputs	2 x 1/8"
Analog Outputs	2 x 1/8"
Depth	0.78"
HP Size	4HP
Power Usage	20mA, ±12V DC
Power Supply	Requires Eurorack case and power supply

FAQs

What is the primary function of the Doepfer A-183-3 Amplifier in a modular synth setup?: The Doepfer A-183-3 Amplifier is designed to boost both CV and audio signals within a Eurorack modular synthesizer system, allowing for more flexible signal routing and control.
How many inputs and outputs does the Doepfer A-183-3 module have?: The Doepfer A-183-3 features 2 analog inputs and 2 analog outputs, all utilizing 1/8" jacks, making it easy to integrate with other Eurorack modules.
What kind of power supply does the Doepfer A-183-3 require?: The Doepfer A-183-3 requires a Eurorack case with a power supply, consuming 20mA at ±12V DC.
How much space does the Doepfer A-183-3 take up in a Eurorack case?: The Doepfer A-183-3 occupies 4HP of space, making it a compact addition to any Eurorack modular synthesizer setup.
Can the Doepfer A-183-3 Amplifier be used to boost both audio and CV signals?: Yes, the Doepfer A-183-3 is versatile and can amplify both audio and control voltage (CV) signals, enhancing signal strength in your modular system.

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Reviews

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PROS

Provides unique gainstages for enhanced filter saturation and signal shaping
Excellent for bringing modular signals to hot levels post-processing
Versatile as both an amplifier and attenuator
Can amplify signals x1, x2, or x4, offering flexibility
Effective for integrating external instruments like Arturia Microbrute
Functions as a simple mixer and multiple for basic signal routing
High-quality construction typical of Doepfer modules
Offers good value for money considering its functionality

CONS

Limited functionality may not justify its presence in every setup
Only one channel for amplification, despite having two inputs
Limited features compared to larger, more expensive modules

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Doepfer A-183-3 Amplifier.

Features and functionality

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The Doepfer A-183-3 is praised for its ability to boost weak CV signals, making it ideal for modules that expect higher voltage levels.
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The Doepfer A-183-3 offers clean amplification in a compact 4hp size and is noted for its affordability.
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The Doepfer A-183-3 intentionally clips signals above 10V, limiting its use for users requiring a full 12V trigger output.
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Use cases and applications

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Users find the amplifier crucial for ensuring compatibility between older and newer modules with varying voltage expectations, typically around 5V.
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The Doepfer A-183-3 is frequently recommended for boosting percussive sounds, such as kicks, without introducing unwanted saturation.
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The A-183-3 can boost 5V triggers to 10V, improving trigger reliability for devices needing higher input but not reaching a full 12V requirement.
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User experience

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Owners appreciate the convenience of the module in solving signal strength issues without needing multiple attenuators.
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A user found the A-183-3 inadequate for a 12V requirement, achieving only 90-95% reliability for triggering an arpeggiator.
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Comparisons

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The A-183-3 is often compared to attenuators but noted for its unique ability to amplify rather than just reduce signal strength.
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Users often compare the Doepfer A-183-3 to Mutable Instruments Ears, noting that both provide clean amplification, but Ears includes additional features like envelope and gate out.
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The Doepfer A-183-3 was considered nearly sufficient but not as effective as a device that outputs a full 12V for consistent triggering.
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