Phono Box II USB

Pro-Ject Audio


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The Phono Box II USB: The Audiophile's USB Phono Preamplifer! A high- performance Moving Coil / Moving Magnet Phono Preamplifier with A/D Converter and USB Output to provide the audiophile-grade transfer of vinyl records to digital audio files.

Amplification and RIAA Equalization for MM and MC phono cartridges
Direct to computer digitalization of analog signals via USB using suitable recording software (not included)
RCA phono outputs provided for interface with your audio system
Compatible with Windows®, MacOS® and Linux® operating systems
Metal chassis shield circuitry from vibration and electromagnetic interference
MM/MC selection switch located on back panel
Low-noise IC's and dual-mono circuitry provides outstanding audio fidelity and channel separation
Gold-plated RCA connectors
Outboard power supply provided

Input Impedance (MM): 47k ohms/120pf
Input Impedance (MC): 100 ohms/120pf
Gain (MM): 40dB
Output Voltage: 300mV/1kHz at 3mV/1kHz (MM input)
Gain (MC): 60dB
Output Voltage: 300mV/1kHz at 0.3mV/1kHz (MC input)
Max. Output: 9.5V (1kHz)
Noise Floor (MM): 86dB (94dB - A weighted)
Noise Floor (MC): 68dB (75dB - A weighted)
THD (MM): < 0.01%
THD (MC): < 0.05%
RIAA EQ Curve Accuracy: 20Hz – 20kHz, > 0.5dB
A/D Converter: 16-Bit Delta Sigma
Sampling Rate: 48kHz
USB Output: Digital Serial Data Protocol USB 1.1
THD: 0.005%
Noise Floor: 96dB
Dynamic Range: 93dB
Power Consumption: 16V/30mA AC
Power Supply Type: Outboard
Output Voltage: 16V/200mA AC
Dimensions: 4"w x 1.5"h x 4.5"d in.
Weight: 1.25 lbs. (without power supply)
Finish: Brushed Silver

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