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The Project Phono Box RS represents Pro-Ject Audio's first foray into the world of high-end electronics. As masters of the analogue domain, it seems only fitting that their first model in this new Reference Series range is a phono stage of true distinction.

The Project Phono Box RS is an ultra-low noise and distortion preamplifier made with the audio connoisseur in mind. With this in mind, it offers not only a breathtaking performance, but is also capable of being fine-tweaked to suit a wide variety of premium pick-up cartridges. In fact, the Phono Box RS has a unique variable impedance control on the front panel which means impedance adjustments can now be done during music playback!

Due to the use of some of the finest quality components available, like the SSM2019 pre-amplifier from Analog Devices on the input stages and Linear Technology's LT1010 as a high current buffer stage, the Phono Box RS delivers ultra-low levels of distortion and noise. Its very low output impedance makes it insensitive to the selection of interconnect cable types and lengths.

Fully-passive RIAA and DECCA equalisation is selectable via the stylish switches on the front panel, as is the output Gain (on XLR and RCA) and a handy Mute function (the F/V switch relates to switching on and off the variable impedance control). Further cartridge adjustment is done via the familiar dip-switch layout on the back panel. The Phono Box RS offers fully balanced, dual-mono circuitry and both XLR and RCA inputs and outputs, earning it recognition in a wide variety of high-end systems.

All in all, vinyl playback will never have sounded as clear, detailed and smooth, than with this superlative phono stage!

Key Features:

  • MM and MC capable
  • Fully balanced dual-mono design
  • Fully passive RIAA equalization & DECCA settings
  • Unique continuously variable input impedance loading, matches every cartridge (adjustment can even be made while playing music)
  • RCA / XLR In & Out
  • Superior low noise and low distortion
  • Elegant dip switch controls on the front panel
  • Metal casing protects against vibration and interference
  • Available with silver or black face-plate


Input Impedance: Fixed... 10O or 47kO
Variable... 10 - 1200O
Switchable Load Capacity: 100uF, 120µF, 200µF
Output Impedance: 50O
Gain (MM / MC): RCA... 40, 43, 60 dB
            XLR... 45, 56, 66 dB
Signal-to-Noise Ratio: MM 89dB (97dB - A Weighted)
            MC 83dB (91dB - A Weighted)
THD: MM 0.01%
            MC 0.05%
RIAA Accuracy: Within 0.3 20Hz - 20kHz
Subsonic: 18Hz / 24dB Per Octave
Inputs: RCA & XLR
Outputs: RCA & XLR
Power Supply: +/- 18V/300mA DC, 220 - 240V, 50Hz
Dimensions: 200 x 72 x 194mm
            200 x 72 x 200mm (Incl. Sockets)
Weight: 2kg (Without PSU)

Pro-Ject Phono Box RS Turntable PreAmp

From £11.78 per month

  Delivery Standard Shipping and Click & Collect  

  Payment Secure payment available  


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