PRO JECT Phono Box S MM/MC Phono Preamp (Black)

Model: PHBOXSBK UPC: 9120035829757 Item: 166613

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104 E Vine St.
Hatfield, PA 19440
  • Mon - Fri: 9am - 5pm
  • Sat: By appointment only
  • Sun: Closed
(866) 961-7781
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754 Route 309 (Bethlehem Pike)
Montgomeryville, PA 18936
  • Mon: 9:30am - 8pm
  • Tues - Fri: 9:30am - 6pm
  • Sat: 9:30am - 5pm
  • Sun: 12pm - 5pm
(215) 368-8343
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38 Greenfield Avenue,
Ardmore, PA 19003
  • Mon- Fri: 10am - 6pm
  • Sat: 10am - 5pm
  • Sun: Closed
(610) 649-7002
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Product Information

Phono Box S: audiophile, versatile & affordable!  

This new phono preamplifier offers unrivaled performance and unique flexibilty, which never before was available at this price! Sonic quality of Phono Box S is extremely impressive, a big improvement and a perfect upgrade for most analogue hifi system.  

With a wide range of setting parameters, it can meet the needs of almost any phono cartridge on the market. A switchable subsonic filter prevents your amplifier and speakers of ultra low rumble below 20Hz. Carefully selected amplifier modules and audiophile-grade polypropylene capacitors make it possible to enjoy your valuable vinyl collection like never before!  

The class-leading music reproduction of Phono Box S gives pure dynamics, full transparency, analogue warmth, bass texture, detail resolution and purity of all audible frequencies

Phono Box S Features

  • 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 
  • DC power supply (< 1 watt standby power)  


PHONO BOX S Specifications

Input impedance

  • 10/100/1000 Ohms(MC)
  • 47kOhms (MM)

Input capacitance

  • 100/200/320/420pF

Gain Switch

  • 40/43/60/63dB

Subsonic Switch

  • -12dB @ 20Hz

Signal-to-noise ratio

  • MM: 86dB (94dB – IEC -A)
  • MC: 68dB (75dB - IEC -A)


  • 0,01% MM/ 0,05% MC

RIAA Deviance Max.

  • 0,4dB / 20Hz - 20kHz


  • 1 pair RCA connectors

Power Consumption

  • 18V/85mA

Oversized Power Supply

  • 18Volt DC/500mA

Dimensions (WxHxD)

  • 103 x 36 x 104 mm
  • 103 x 36 x 115 mm (with sockets)

Face Plate Color

  • Black


  • 1.25 lbs


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