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Description
Unleash your creativity with the Doepfer A-138p / A-138o Performance Mixer Input and Output, a powerful addition to any modular synthesizer setup. This meticulously designed module set delivers unparalleled versatility for live performances and studio work alike. The A-138p Input Module offers four channels of audio or CV input, each with its own level control, allowing you to sculpt your sound with precision. Meanwhile, the A-138o Output Module ensures your audio is delivered cleanly and efficiently, featuring master controls for both stereo output and headphone monitoring.
Designed with the performing musician in mind, the A-138p / A-138o Mixer is all about flexibility and control. Its modular design allows for seamless integration into your existing setup, making it an ideal choice for both seasoned synthesists and those just beginning their modular journey. With the ability to handle both audio and control voltages, this module set provides a comprehensive solution for mixing and routing signals in a modular environment.
Whether you're looking to enhance your live rig or expand your studio capabilities, the Doepfer A-138p / A-138o Performance Mixer offers the tools you need to take your sound to the next level.
Key Features:
- Four-channel input module with individual level controls
- Master stereo output with separate headphone monitoring
- Compatible with audio and CV signals
- Seamless integration with existing modular setups
- Ideal for both live performances and studio use
Product specs
| Brand | Doepfer |
| Model | A-138p / A-138o Performance Mixer Input and Output |
| Year | 2010s |
| Made In | Germany |
| Categories | Eurorack Modules and Cases, Synth Modules |
| Horizontal Pitch | 20HP |
| Modular Synth Format | Eurorack |
| Synth Module Function | Expander, Mixer |
FAQs
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What is the primary function of the Doepfer A-138p / A-138o Performance Mixer?
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The Doepfer A-138p / A-138o Performance Mixer is designed to combine multiple audio signals in a modular synthesizer setup, allowing for flexible mixing and routing of sounds within a Eurorack system.
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How does the Doepfer A-138p / A-138o integrate into a Eurorack setup?
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The Doepfer A-138p / A-138o is a Eurorack module with a 20HP width, making it compatible with standard Eurorack cases. It serves as both an input and output module, facilitating seamless integration with other modules.
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Can the Doepfer A-138p / A-138o Performance Mixer handle stereo signals?
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Yes, the Doepfer A-138p / A-138o can handle stereo signals, making it suitable for complex audio routing in modular setups that require stereo mixing capabilities.
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Is the Doepfer A-138p / A-138o suitable for live performance?
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The Doepfer A-138p / A-138o is designed for performance use, offering intuitive control over multiple audio channels, making it ideal for live modular synth performances.
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What kind of power supply is required for the Doepfer A-138p / A-138o?
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The Doepfer A-138p / A-138o requires a standard Eurorack power supply, which typically provides +/-12V. Ensure your case's power supply can accommodate the module's power needs.
Videos
Analogue Zone Showroom / Synths and Studio
SUPERBOOTH16 Introducing The New Doepfer A 111-2 A 111-3 A-184-2 And A 138p Performance Mixer
Reviews
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Doepfer A-138p / A-138o Performance Mixer Input and Output.
Setup and maintenance
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Incorrect power connection can damage components like the TL074CN op-amp, which is socketed for easy replacement.
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The A-138p is passive, while the A-138o relies on power; ensure proper voltage checks on the power regulator if issues arise.
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Check and replace blown capacitors, such as a 10μF cap at the power board's bottom, near the "RED STRIPE" marking.
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Features and functionality
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Lack of shrouded headers on Doepfer modules can lead to reversed polarity; consider installing shrouds for protection.
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The A-138p and A-138o offer 4, 8, or 12 channels with stereo outs and a send-return for effects, making them versatile for complex setups.
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Powered attenuators, especially 'attenuverters', are recommended for potentially better signal quality due to their powered circuitry with opamps.
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It's noted that Eurorack levels can run hot, with a max of 10v peak-to-peak, requiring attenuation for use with line-level equipment.
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Euro mixers often compromise on features compared to outboard mixers, which may offer more comprehensive controls and options.
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Comparisons
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The Doepfer Performance Mixer is compared favorably to the WMD performance mixer, with some users preferring it for its simplicity and effectiveness.
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The WMD Performance Mixer is reported to offer clearer sound, better high-end, and more vibrant output compared to the Doepfer 138p and 138o combination.
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Mods and upgrades
Use cases and applications
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