Pro-Ject Tube Box DS2


Tube phono preamp

Premium phono stage with tube assembly and high-end sound quality!

This high-precision tube preamp benefits from the sophisticated circuit topology of Dr. Ing. Sykora and contains only the best components. 

649 €

The pre-amp is suitable for both MM and MC pickups. As a special feature, it offers not only the connectivity for 2 turntables and 2 line outputs but also a continuously adjustable input impedance for MC cartridges with low output voltage, which can be adjusted even during the current record playback! For MM-samplers it is possible to change the input capacitance individually, a switchable subsonic filter keeps low-frequency noise below 20Hz away from amplifiers and loudspeakers. All assemblies used, such as tubes and polypropylene condensers are selected according to audiophile aspects and guarantee breathtaking sound experience. A perfect upgrade for ambitious vinyl lovers!


  • Suitable for MM and MC pickups
  • Precise RIAA equalization
  • Ultra low noise circuit
  • Choice between 2 phono inputs & 2 line outputs
  • Dual mono design for optimal channel separation
  • Selectable input impedance (for MC: fixed or variable)
  • Selectable input capacity (for MM)
  • Switchable subsonic filter
  • Hard gold plated RCA input / output jacks
  • Aluminum / metal sandwich housing protects against vibrations and electromagnetic interference
  • Finishes: Silver or black with or without wood sides (Eucalytus, Rosewood, Walnut)

Technical specifications

tubes2 x ECC83 (12AX7)
input impedanceVariable 10-1000 ohms, fix 47 kOhms
input capacitance100/220/320 pF
Reinforcement MM / MC40/45/50/60/65 dB
Output voltage typical500mV / 1kHz at 5mV / 1kHz (at 40dB)
Signal to Noise Ratio88 dBA
RIAA deviation+/- 0.2dB / 20Hz - 20kHz
Subsonikfilter20Hz @ 12dB / octave
inputs2 x Phono (RCA)
outputs2 x Line (RCA)
power adapter18V / 1000mA DC
Power consumption max490mA DC / <0.5W standby
Dimensions W x H x D206 x 91 x 227 mm (aluminum)
240 x 93 x 227 mm (wood)
Weight (without power supply)1500 g (aluminum)
1960 g (wood)

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