Pro-Ject Phono Box MM | Phono Preamp

Pro-Ject's Phono Box MM is a High-precision Phono Preamp for Moving Magnet Cartridges

Features low-noise circuitry and accurate RIAA equalization
Gold-plated RCA connections for preservation of signal integrity
European Constructed

High Precision, Low Complexity
Phono Box MM is a high-precision European-built phono preamp specifically for use with moving magnet cartridges. It uses low-noise circuitry and accurate RIAA equalization for a seamless, non-fatiguing playback that’s more convincing than its price suggests. The low-impedance output stage allows for longer cable runs with minimal distortion, and gold-plated RCA ins & outs are used to preserve signal integrity.
Specifications
General


Weight: 0.28 kg

Dimensions: 4.2" × 1.2" × 3"
Pro-Ject Phono Box MM User Manual

Phonostage


Input capacitance/input impedance, MM: 47Ω/120pF (typical for MM or high output MC cartridges)

Gain: 40dB

Output voltage typically: 500mV/1kHz at 5mV/1kHz

Noise floor: 88dB (A weighted)

THD: < 0.04%

RIAA-equalisation curve accuracy: 20Hz - 20kHz / max. 0.5dB

Input: 1 pair RCA/phono sockets

Line-level output: 1 pair RCA/phono sockets

Outboard power supply: 18V/500mA DC, suitable for your country's mains supply

Power consumption: 20mA DC