Music Hall Audio - PA2.2 USB Phono Preamp MM/MC

PA2.2 Phono Amplifier

The Swiss Army Knife of Phono Amps

The music hall pa2.2 is an ultra quiet MM/MC phono amp, a high-grade headphone amp, an analog-to-digital converter, and a high-resolution 2-input pre-amplifier (phono and line level) in one beautiful package.

Feature List

• ultra quiet MM/MC phono amp
• high-grade headphone amp
• high resolution 2 input pre-amp (phono and line level)
• record vinyl or any line level source to computer
• adjustable MC gain stage
• USB digital output
• Apple Mac and Windows compatibility
• high performance 24bit/96kHz analog to digital converter
• superior wolfson WM8786 ADC
• tenor TE7022 24bit/96kHz USB receiver
• stereo or mono capability – sounds amazing with mono records
• phase/invert switch for prefect audio phase
• fixed or variable line output capability
• high-quality 1/4” headphone output
• gold-plated RCA inputs and outputs
• silky smooth high-grade Alps “blue velvet” volume control
• energy efficient external switch mode power supply
• worldwide compatibility
• solid alloy construction
• vibration damping feet

Technical Specifications

• MM input impedance 47 kohms + 220 pF
• MC input impedance 100 ohms + 1 pF
• analog line-level input impedance 47 kohms
• MM gain at 1khz 39 dB
• MC gain at 1khz 59 dB (20 dB gain selected) / 65 dB (26 dB gain selected)
• MM input sensitivity for 316 mV output 3.3 mV
• MC input sensitivity for 316 mV output 0.4 mV (20 dB gain selected) / 0.2 mV (26 dB gain selected)
• MM signal-to-noise ratio unweighted (with cartridge connected) 70 dB
• MC signal-to-noise ratio unweighted (with cartridge connected) 75 dB (20 dB gain) / 70 dB (26 dB gain)
• analog line-level input signal-to-noise ratio 120 dB
• MM Input overload level at 20Hz/1kHz/20kHz 8/71/650 mV
• MC Input overload level at 20Hz/1kHz/20kHz (20 dB gain selected) 0.95/48/450 mV
• MC Input overload level at 20Hz/1kHz/20kHz (26 dB gain selected) 0.45/24/225 mV