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Pro-Ject - Phono Box S

Pro Ject

  • $ 19900

Pro-Ject Phono Box S

Incredible Versatility and Protection from Subsonic Interference

The Phono Box S, Pro-Ject's latest phono preamplifier, offers unrivaled performance and unique flexibility never before available at this price point. Phono Box S's extremely impressive sound quality is a massive improvement and a perfect upgrade for most analog hi-fi systems. With a wide range of setting parameters (accessible via a panel on the bottom of the unit), Phono Box S can meet the needs of almost any phono cartridge on the market.

A switchable subsonic filter prevents ultra low rumble below 20Hz. Carefully selected amplifier modules and audiophile-grade polypropylene capacitors increase dynamic response, warmth, and transparency. With Phono Box S's improved bass texture and incredibly detailed resolution, you will enjoy your valuable vinyl collection like never before.


Audiophile Performance
Dual mono configuration
Audiophile-grade amplification modules
Audiophile-grade polypropylene WIMA capacitors
Precise RIAA equalization
Switchable Subsonic filter –12dB @ 20Hz
Switchable input impedance/capacitance
4 adjustable gain levels
Outstanding sound quality


Load capacities: 100, 200, 320 and 420pF
Load impedance: 10ohms, 100ohms, 1kohms and 47kohms
Gain, MM and MC: 40, 43, 60 and 63dB
Noise floor, MM / MC: 86dB (94dB - A weighted) / 68dB (75dB - A weighted)
THD, MM / MC: 0.01 / 0.05%
RIAA-equalization curve accuracy: 20Hz - 20kHz / max. 0.4dB
Subsonic filter: at 20Hz with 12dB/octave
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: 18V/80mA DC
Dimensions (WHD): 4" x 1.5" x 4"
Weight: 1.25 lbs. without power supply

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