Warm Audio WA - 2MPX - $1,000 (Greenlake)

condition: excellent

make / manufacturer: Warm Audio

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Barely used, studio rack only.

A 2 channel stereo tube microphone preamp with tons of tone shaping and gain staging options. Clone of the Ampex 351 preamp.

The WA-2MPX employs three premium vacuum tubes per channel: two 12AX7s and one 12AU7. In a stroke of engineering genius, Warm Audio included a high-gain switch that engages the third tube, boosting the available gain from 70dB to a staggering 90dB. Now you can finally deploy your favorite, notoriously low-gain passive ribbon mics on whisper-quiet sources!

post id: 7981041336

posted: 2026-10-09 20:21

updated: 2026-10-09 21:06

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Warm Audio WA - 2MPX - musical instruments - by owner - sale -...

Barely used, studio rack only. A 2 channel stereo tube microphone preamp with tons of tone shaping and gain staging options. Clone of the Ampex 351 preamp. The WA-2MPX employs three premium vacuum...