DOEPFER A-139-2 Headphone Amplifier Modular Eurorack Circuit

( Brand: Doepfer ), ( Manufacturer Part Number: A-139-2 ), ( Type: Modular Synthesizer )

Review DOEPFER Headphone Amplifier Modular Eurorack B stk Perfect Circuit

The Doepfer A-139-2 is a high-quality headphone amplifier module designed for use in Eurorack modular synthesizer systems. This versatile module, part of the Doepfer A-100 series, is a must-have for any synthesist who requires a reliable and powerful headphone amplifier to monitor their creations in real-time.

The A-139-2 is built using the renowned b-stk circuit, known for its exceptional sound quality and low-noise performance. It is capable of delivering a maximum output power of 1 Watt per channel into 32 ohms, making it suitable for driving even the most demanding headphones with ease.

This stereo headphone amplifier module features two independently controlled output channels, each with their own level control knobs. The level controls offer a wide range of adjustment, allowing you to fine-tune the volume to your preference. Additionally, the module includes a master level control that can be used to adjust the overall output level of both channels.

The A-139-2 is housed in a standard Eurorack 2 HP (height) format, making it easy to integrate into any modular synthesizer setup. It features a robust metal front panel and is built with the highest standards of quality and craftsmanship, ensuring reliable operation for years to come.

The module requires a 12V and -12V power supply, which can be easily provided by any standard Eurorack power distribution system. The A-139-2 also includes a DC power input connector with a protective fuse, ensuring safe and efficient power delivery to the module.

In summary, the Doepfer A-139-2 is a top-performing, high-fidelity headphone amplifier module that is an essential addition to any Eurorack modular synthesizer system. Its b-stk circuitry guarantees exceptional sound quality, and its versatile features, such as independent level controls for each channel and a master level control, provide unparalleled flexibility. With its robust construction and easy integration into any modular setup, the A-139-2 is an excellent investment for any serious synthesist seeking a reliable and powerful headphone amplifier solution.

The Doepfer A-139-2 Headphone Amplifier is a versatile and high-quality module for Eurorack modular synthesizers. This module is specifically designed to drive headphones or passive speakers with low impedance. Here are some pros and cons that may help in making a decision about purchasing the Doepfer A-139-2:

1. High-quality sound: The A-139-2 delivers clear, accurate, and powerful sound, making it an excellent option for monitoring complex synthesizer patches.

2. Versatile: The module can drive both headphones and passive speakers, making it a flexible choice for various use cases.

3. Compact size: With dimensions of 12HP, the A-139-2 is a space-efficient addition to your Eurorack system.

4. Easy to use: The module is straightforward to set up and use, with a single control for level adjustment.

5. Durable: Doepfer is known for manufacturing robust and reliable modules, ensuring that the A-139-2 can withstand the rigors of live performances and studio use.

1. Limited features: The A-139-2 is a simple module with only one control, making it less feature-rich compared to other options in the market.

2. Power consumption: The module consumes 125mA of power when in use, which might be a concern for those with power supply limitations.

3. No input selection: The module only has one input, so you cannot switch between multiple sources without using external routing or mixing.

The Doepfer A-139-2 Headphone Amplifier is an excellent investment for anyone looking for a high-quality, versatile, and compact headphone amplifier for their Eurorack system. Its clear sound, ease of use, and durability make it a top choice for synthesists and audio engineers. However, its limited features and power consumption might be a drawback for some users, depending on their specific requirements and power supply setup.

If you prioritize a high-quality, compact, and versatile headphone amplifier for your Eurorack system, the Doepfer A-139-2 is an excellent choice. Its clear sound and ease of use make it an indispensable tool for monitoring and mixing complex synthesizer patches. However, if you require additional features, such as input selection or multiple channels, you may want to consider alternative options with more extensive functionality.

part # a1392 prices

• $69.00-$160.00

specifications synthesasha:

• brand: Doepfer
• manufacturer part number: A-139-2
• type: Modular Synthesizer

seller synthesasha:

• # reviews: 46946
• rating: 99.4%

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• sold: 0
• quantity: 1
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• started: February 23, 2025
• availability: In Stock

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• Musical Instruments Gear > Pro Audio Equipment > Synthesizers

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