Music Hall PA2.2 Phono Preamp & Headphone Amp

• 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 analog to digital converter
• Superior Wolfson WM8786 ADC
• Tenor TE7022 USB receiver
• Stereo or mono capability
• Phase/invert switch for perfect audio phase
• Fixed or variable line output capability
• High-quality 1/4” headphone output
• Gold-plated RCA inputs and outputs
• Smooth high-grade Alps “blue velvet” volume control
• Energy-efficient external switch mode power supply

Music Hall PA2.2 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

MM Total Harmonic Distortion + Noise (10 mV in): <0.01%

MC Total Harmonic Distortion + Noise (1 mV in and 20 dB gain selected): <0.05%

MC Total Harmonic Distortion + Noise (1 mV in and 26 dB gain selected): <0.05%

Analog line-level input total harmonic distortion + noise: <0.01%

RIAA curve accuracy: +/- 0.3 dB

MM Crosstalk: 65 dB

MC Crosstalk: 65 dB (20 dB gain) / 60 dB (26 dB gain)

Line-level input crosstalk: 63 dB

Fixed line-level output impedance: 270 ohms

Variable line-level output impedance: 270 ohms

Headphone stage output impedance: 2 ohms

Headphone stage maximum output level: 6.8 V

Headphone stage total harmonic distortion + noise: <0.02%

USB output: maximum 24 bit linear PCM

USB output sampling frequency: maximum 96 kHz

Power Supply Rejection Ratio: 80 dB

Input Connections: 3 pairs of RCA sockets (left/right) 1 x MM, 1 x MC, 1 x Line

Output Connections: 2 pair of RCA sockets (left/right) 1 x variable, 1x fixed 1 x headphone output 32 - 600Ω

A/D Converter: Wolfson WM 8786, Tenor TE7022L 24Bit Delta Sigma

Sampling Rates: 8, 16, 32, 44.1, 48, 96kHz

USB Output: USB 2.0

Power supply: external 24VDC with multi-region plug adaptors

Power consumption without signal: 2.9 W

Dimensions (WxHx D): 6.3" x 2.0" x 6.7" (159 x 51 x 171 mm)

Unit weight: 2lbs. (900g)