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Learn

From the people who build it.

Compression theory, Fairchild history, and straight answers to the questions engineers actually ask.

Fundamentals

What is a vari-mu compressor?

How variable-mu tube compression actually works, why it sounds the way it does, and where the Fairchild 670 fits in the story.

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Comparison

UnFairchild vs. the original Fairchild 670

What the UnFairchild 670M II keeps from the original, what it changes, and why a working studio might want the new one.

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Comparison

UnFairchild plug-in vs. hardware

We make both. Here is an honest breakdown of what each one is for, from the people with the least incentive to spin it.

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