Pro-ject Audio Phono Box MM Phono Pre Amplifier
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Pro-ject Audio Phono Box MM Phono Pre Amplifier
Overview
The Pro-Ject Phono Box MM adds phono amplification and RIAA equalization to any amplifier or receiver that doesn't have a dedicated phono input, at an entry-level price. It accepts both MM and high-output MC cartridges, so it fits a wide range of turntable setups.
Low-noise ICs and dual-mono circuitry keep channel separation clean and background noise low, while the shielded metal case and outboard DC power supply protect the signal from vibration and electromagnetic interference.
Its compact size lets it sit right next to the turntable, with gold-plated RCA connections at both input and output for a lasting, low-resistance connection.
Simcoe Audio Video Insight
We recommend the Phono Box MM for anyone adding a turntable to a modern amplifier or receiver that skipped the phono stage. It's a straightforward, affordable way to get a properly equalized phono signal without hunting for a used receiver with a built-in phono input.
More Info
Why the Phono Box MM Stands Out
MM and High-Output MC Support
Amplifies and RIAA-equalizes both cartridge types.
Low-Noise Circuitry
Special low-noise ICs keep background noise to a minimum.
Dual-Mono Design
Separate circuitry per channel for optimal channel separation.
Shielded Metal Case
Protects the electronics from vibrational and electromagnetic interference.
Gold-Plated RCA Connections
Corrosion-resistant input and output sockets.
Compact Footprint
Small enough to install close to the turntable.
Buyer's Guide
Who It's For
- Owners of Amplifiers Without a Phono Input: adds the RIAA equalization modern gear often leaves out.
- Vinyl Newcomers on a Budget: an affordable, no-fuss way into external phono preamps.
- MM and High-Output MC Cartridge Owners: covers both cartridge types without needing a step-up transformer.
How It Compares
Pro-Ject's Phono Box S2 MM/MC steps up from here with adjustable gain and impedance settings for a wider range of MM and MC cartridges. The Phono Box MM keeps things simpler, covering MM and high-output MC cartridges in a smaller, more affordable package for listeners who don't need that extra adjustability.
Pro-ject Audio Phono Box MM Phono Pre Amplifier Specifications
| General Information | |
|---|---|
| Brand | Pro-Ject Audio Systems |
| Product Type | Phono Preamplifier |
| Cartridge Compatibility | |
| Supported Cartridges | MM and high-output MC |
| Performance | |
| Input Impedance | 47kΩ / 120pF |
| Gain | 40dB |
| Output Voltage | 500mV (at 5mV/1kHz input) |
| Noise Floor | 88dB (A-weighted) |
| THD | <0.04% |
| Inputs & Outputs | |
| Input | 1 pair RCA/phono |
| Output | 1 pair RCA/phono |
| Power | |
| Power Supply | 18V / 500mA DC (outboard) |
| Power Consumption | 20mA DC |
| Physical Specifications | |
| Dimensions (W x H x D) | 4.21" x 1.18" x 2.95" (107 x 30 x 75mm) |
| Weight | 280g (0.62 lb) without power supply |