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Average Price: $11,741
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$100
$501+
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Price History
Based on price data from 4 merchants for "Undertone Audio UnFairchild Model 670M II". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
The Undertone Audio Unfairchild Model 670M II 2-Channel Tube Compressor / Limiter offers a harmonious blend of vintage warmth and modern precision, making it an essential tool for musicians and audio engineers seeking unparalleled sound control. Inspired by the legendary Fairchild 670, this compressor/limiter delivers a distinctive tonal character that's both rich and dynamic. Whether you're in the studio or on stage, its dual-channel design provides flexibility and detail, allowing you to sculpt your sound with ease and authenticity.
The Unfairchild 670M II is meticulously crafted to capture the essence of analog warmth while incorporating today's advanced technology. Its tube-driven circuitry ensures that every note resonates with clarity and depth, making it ideal for vocals, instruments, and mastering applications. Users will appreciate its intuitive interface, which allows for quick adjustments and fine-tuning, making it accessible for both seasoned professionals and those new to audio production. The robust build and sleek design also ensure that this unit will be a reliable companion for years to come.
Key Features:
- Dual-channel design for versatile sound shaping
- Tube-driven circuitry for vintage warmth and modern precision
- Inspired by the iconic Fairchild 670 for a distinctive tonal character
- Ideal for studio and live performance applications
- Intuitive interface for easy adjustments and fine-tuning
- Robust build for long-lasting reliability
Product specs
| Brand | Undertone Audio |
| Model | Unfairchild Model 670M II 2-Channel Tube Compressor / Limiter |
| Finish | Black |
| Year | 2010s |
| Categories | Compressors and Limiters |
FAQs
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What type of compression does the Undertone Audio UnFairchild 670M II utilize?
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The Undertone Audio UnFairchild 670M II employs Fairchild-style compression, known for its smooth, musical response and rich tube warmth, making it ideal for mastering and critical mixing applications.
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Is the Undertone Audio UnFairchild 670M II suitable for stereo applications?
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Yes, the UnFairchild 670M II is a dual-channel tube compressor/limiter, making it well-suited for stereo processing and offering versatility in both mono and stereo applications.
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What is the main function of the adjustable DC threshold on the UnFairchild 670M II?
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The adjustable DC threshold on the UnFairchild 670M II allows users to fine-tune the compression threshold, providing greater control over the dynamics and the amount of compression applied to the audio signal.
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How does the UnFairchild 670M II compare to the original Fairchild compressors?
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The UnFairchild 670M II replicates the iconic sound of classic Fairchild compressors while incorporating modern features and reliability, offering the same rich, warm tube sound with enhanced functionality for today's studio environments.
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What size rack does the Undertone Audio UnFairchild 670M II fit into?
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The UnFairchild 670M II is designed to fit into a standard 19" rack-mount chassis, making it compatible with most professional studio rack setups.
Videos
MAKING RECORDS with ERIC VALENTINE
Making Records with Eric Valentine - Undertone Audio UnFairchild 670M mkII
Reviews
Critic Reviews
4.5 out of 5
Based on 0 Reviews and 2 Ratings
Artist usage
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At 6:12 in the YouTube video "Chris Chaney and the 5088: Home Studio Tour" by Rupert Neve, bassist Chris Chaney is seen showcasing an Undertone Audio UnFairchild Model 670M II tube compressor in his studio rack.
Genre Usage
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Used With
Based on how musicians on Equipboard use Undertone Audio UnFairchild Model 670M II, it is most commonly used with the following gear.
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