Project Audio Phono Box DS2 USB Phono Preamplifier in Silver Walnut - PJ71652999

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Phono Box DS2 is a highly adjustable phono pre-amplifier suitable for all common MM and MC cartridges. With the ability to switch easily between input impedance and capacitance, as well as gain on front it becomes one of the most user friendly phono stages at this price point. It features one pair of RCA inputs for your turntable and one pair of RCA ouputs which will be conected to your pre-amplifier or integrated amplifier. The casing is made of a durable aluminium metal sandwich construction, which not only will effectively protect it against electromagnetic interferences and vibrations, but will also please the eye with its simply and elegant esthetics. Phono Box DS2 features a very linear circuit design to deliver the best possible sound from a minimalistic PCB. With its high value sonics and low cost price it becomes an audiophile bargain!

Magnetic real wood side panels in walnut, rosenut & eucalyptus are available separately & not included in the scope of delivery.


  • Suitable for MM and MC cartridges
  • Precise RIAA equalisation
  • Dual mono circuitry for optimized channel separation
  • Selectable input inpedance on front
  • Selectable input capacitance on front
  • Low noise ICs
  • Gold-plated RCA in & outputs
  • Sandwich alu/metal casing protects from vibrations and electromagnetic interference
  • Magnetic side panels in eucalyptus, rosenut and walnut available separately
Technical Specifications
Weight 1320 g (Alu) without power supply , 1770 g (Wood) without power supply
Dimensions W x H x D 206 x 71 x 194 mm (Alu) 240 x 72 x 194 mm (Wood)
Outputs 1 pair RCA
Power supply 18V/500mA DC; 110 - 240V, 50/60Hz
Power consumption 100 mA DC, < 1 Watt standby
Inputs 1 pair RCA
RIAA equalisation curve accuracy Within 0.5dB/20Hz - 20kHz
THD 0.0008%
Noise floor - 80 dB V
THD+N < 0.02%
Gain 40/45/50/60/65 dB
Output voltage500mV @ 1kHz (at 5mV input voltage @ 1kHz)
Capacitance 100/220 and 320pF
Input impedance 10-47 kOhm