Pro-Ject

Pro-Ject Tube Box S2 MM/MC Audiophile Valve Amplifier

£345.00
  • Pro-Ject Tube Box S2 MM/MC Audiophile Valve Amplifier

Pro-Ject

Pro-Ject Tube Box S2 MM/MC Audiophile Valve Amplifier

£345.00
£345.00
Payment methods
  • Widely compatible with MM and MC cartridges
  • Comes with two replaceable ECC83 tubes 
  • Dual mono circuitry for optimized channel separation

The Tube Box S2 is a premium phono stage for both Moving Magnet (MM) and Moving Coil (MC) cartridges. In order to achieve the best sound possible, it's become Pro-Ject's first product to feature a discrete circuit design without any operational amplifiers (op-amps).

The Tube Box S2 delivers a relaxed audio performance with lush mids in a full and enveloping sound stage, just like far more expensive pure-valve phono stages are capable of. Thanks to the built-in adjustable gain, capacitance, impedance and subsonic filter settings, it's possible to tune the device to perfectly complement almost any modern MM or MC cartridge. It's also possible to tune the sound further, as the Tube Box S2 is Pro-Ject's first ever product designed for the valves to be replaceable - allowing for tube rolling or sound shaping. 

The new S2 casing is a big additional asset to the design, as not only does it deliver the highest visual appeal, but it is also sturdy enough to protect the internal circuitry against unwanted interferences and vibrations, which can cause unpleasant listening experiences. 

Inspired by high-end designs but available for a very appealing price, the Tube Box S2 is a real audiophile bargain.

Features

  • Valve phono stage
  • Suitable for MM and MC cartridges
  • Precise RIAA equalisation in two parts, passive/active
  • Supplied with 2 x ECC83 valves
  • Gold-plated RCA in and outputs
  • Front-sided Subsonic filter button
  • Front-sided Gain control
  • Adjustable impedance and capacitance settings
  • Dual mono circuitry for optimized channel separation
  • Ultra low noise circuitry with FET input stage
  • Premium S2 chassis
  • Available in black or silver

Specifications

Valve Complement: 2x ECC83 (12AX7)
Input Impedance Settings: 10 / 100 / 470 / 1k / 2kΩ, fix 47kΩ 
Capacitance Settings: 50pF / 150pF / 270pF / 370pF / 490pF / 590pF
Gain Settings: 40dB / 43dB / 50dB / 60dB / 63dB
Signal-to-Noise Ratio: 77dBA
THD+N: < 0.0025%
RIAA Accuracy: +/- 0,4dB/20Hz - 20kHz
Subsonic Filter: 20Hz at 12dB/octave
Input: 1x RCA
Output: 1x RCA
Dimensions: 103 x 37 x 119mm

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