The Gates SA-39B is a vintage variable-mu monophonic tube limiting amplifier originally manufactured for the broadcast industries. It features a unique and characteristic tube sound that warms up any track nicely and works particularly well on vocals and bass.

A big bad variable-mu limiter full of tubes, the SA-39B is the flagship of the Gates tube limiters. As most SA-39’s, our unit has been modified too. As such, there are different compression slopes available: with an almost instant attack time one can choose from several release times between 0.2 and 1.2 seconds. This unit provides a smooth compression that make sounds larger than life.

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