Mic preamp MP312 (AVDAUDIO) (API312 clone)

The AVDAUDIO MP312 is a professional studio‑grade microphone preamplifier developed for high‑quality audio recording and sound production. The design is inspired by classic American discrete preamplifier architecture and adapted to AVDAUDIO manufacturing and quality standards.
The MP312 is intended for use in professional and semi‑professional recording studios, broadcast facilities, and live sound applications. It delivers a fast transient response, high headroom, and a distinctive, punchy sound character.

• MIC IN - Balanced microphone input Input impedance: approximately 150–200 Ω
• LINE OUT - Balanced line‑level output. Maximum output level: up to +24 dBu
• GAIN - Stepped gain control
• 48V - Phantom power on/off switch
• PAD (‑20 dB) —Input attenuator
• PHASE (Ø) - Signal polarity reverse
• OUTPUT ATTENUATION - 600 Ohm