Pro-Ject Phono Box S2 Phono Preamp


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Phono Box S2 MM/MC Phono Preamplifier

High-Value, High-Performance MM/MC Phono stage. Phono Box S2 is the successor to the world-famous Phono Box S, which offered unrivalled sonics and versatility at a price that was unheard-of. S2 is a refinement on that model with an upgraded chassis & circuitry to deliver more micro-detail, improved dynamic-handling, heightened clarity with a soundstage usually found in much more expensive products. Phono Box S2’s housing is an aluminum/steel sandwich construction that is not just sleek aesthetically, but also shields the circuitry from potentially harmful electromagnetic interference and vibration. The switches on the bottom of the unit allow for fine-tuning of electrical parameters with nearly any MM or MC cartridge available.

Key Features

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


Input impedance 10 Ohm/100 Ohm/1 kOhm/47 kOhm
Input capacitance 100 pF/200 pF/320 pF/420 pF
Gain switch 40 dB/43 dB/60 dB/63 dB
Subsonic switch -12 dB @ 20 Hz
Signal-to-noise ratio 85 dB
THD+N 0.01% MM/0.05% MC
RIAA accuracy < 0,4 dB/20 Hz - 20 kHz
In/Out sockets 1 pair RCA connectors
Power consumption 18 V/85 mA
Outboard power supply 18 Volt DC/500 mA
Dimensions 103 x 36 x 115 mm (WxHxD)
Weight 570 g
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