The WA12 Microphone Preamplifier from Warm Audio is a single-channel microphone preamplifier based on the API 312 design.
The WA12 Microphone Preamplifier from Warm Audio is a single-channel microphone preamplifier based on the API 312 design. It is capable of up to 71dB of gain, and is designed to provide a warm and colored signal path for your input sources. The preamp has a switchable input impedance, labeled Tone on the front-panel. The impedance switches from 600 to 150 ohms, resulting in a warmer tone from both the mic and Hi-Z inputs.
|Type||Fully discrete 312-style microphone preamplifier|
|Input||1x rear-panel combo balanced XLR/TRS microphone & Hi-Z input
1x front-panel 1/4" (6.3 mm) 2 MΩ Hi-Z input (Sends instrument signal through entire circuit including both Cinemag Transformers and the discrete operational amplifier)
|Output||1x balanced XLR output
1x balanced 1/4" (6.3 mm) output
|Transformer||Input & Output: CineMag|
|Input Impedance||Switchable via the Tone Button: 600 to 150 Ω (affects both mic and Hi-Z inputs)|
|Op Amp||1731-style operational amplifier|
|Phantom Power||48 V|
|Package Weight||5.85 lb|
|Box Dimensions (LxWxH)||14.2 x 13.1 x 3.8"|