
The WA-2A is a transformer-balanced, high-voltage optical compressor inspired by the classic 2A circuit. Its fully discrete signal path combines four tubes, custom CineMag input and output transformers, and a Kenetek T4B opto attenuator.
Use its Peak Reduction and Gain controls to shape line-level material with slow, program-dependent optical compression. Rear-panel pre-emphasis allows high-pass filtering in the compression path; the unit can be stereo linked with a second WA-2A.
Choose this for the smooth gain control and tube-and-transformer path of an optical hardware compressor, not as a dedicated tape emulator. Used Warm Audio WA-2A? Leave a review.
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Last updated 2 Oct 2026
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