MONACOR PA-312 Mono PA Mixer Amplifier 120W 70V/100V 2U Rack

The MONACOR PA-312 is a professional mono PA mixer amplifier designed for public address and performance applications. With 120W RMS power output, it delivers clear and reliable audio for small to medium venues. The amplifier features 3 microphone inputs with switchable phantom power, 2 auxiliary RCA inputs, and a phono input, making it versatile for various audio sources. Its constant voltage outputs (70V/100V) allow for easy integration with distributed speaker systems. The PA-312 is rack-mountable (2U) and includes tone controls for bass and treble adjustment.

Advantages

High-quality mono amplifier with robust build and flexible input options. The switchable phantom power supports condenser microphones, while the emergency input ensures priority announcements. The 2U rack design saves space and integrates seamlessly into existing setups.

Suitable for

• Public address systems in schools, offices, and retail spaces
• Live performances and stage monitoring
• Background music and announcement systems

Key specifications

• Amplifier type: Mono PA mixer amplifier
• RMS power output: 120 W
• Speaker output impedance: 4-16 Ω
• Constant voltage output: 70 V / 100 V
• Frequency response: 50 - 16,000 Hz
• Total harmonic distortion (THD): < 0.5%
• Signal-to-noise ratio (S/N): > 80 dB
• Microphone inputs: 3 (XLR/6.3mm jack, switchable phantom power)
• Auxiliary inputs: 2 (RCA)
• Phono input: 1 (RCA, switchable)
• Emergency input: 1 (screw terminals)
• Line output: 1 (RCA)
• Record output: 1 (RCA)
• Tone controls: Bass, Treble
• Power supply: 230 V AC, 50 Hz
• Rack mountable: Yes (2U)

Recommendations

For optimal performance, use with 4-16 Ω speakers or 70V/100V line systems. Ensure proper ventilation when rack-mounted. The PA-312 is ideal for fixed installations and portable PA setups.