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© Pro-Ject Audio Systems · Pro-Ject Phono Box DS2 USB · Revision 2016.10.11 

 

Setting the record level 

The record level knob on the front panel is used to set the level of the analogue signal going to the A/D 
converter. A clipping LED indicates when the level is too high and the signal is distorted. 

 

Technical specifications  Pro-Ject Phono Box DS2 USB 

A

 Typical for low output MC cartridges, 

B

 typical for MM or high output MC cartridges 

* Input capacitance is irrelevant for low-output MC cartridges 
Input impedance: 

10, 20, 50, 100, 200ohms, 1000 ohms and 47kohms

A

 

Input capacitance/impedance: 

47pF, 147pF, 267pF and 367pF */47kohms

 B

 

Input gain: 

40, 45, 50, 60, 65dB 

Noise floor: 

80dB (A weighted) at 40dB input gain 

THD: 

<0,02% 

RIAA-equalisation curve accuracy: 

20Hz - 20kHz / max. 0,3dB 

Subsonic filter: 

at 20Hz with 12dB/octave 

Phono Inputs: 

2 pairs RCA/phono sockets 

Line input: 

1 pair RCA/phono sockets 

Line output: 

1 pair RCA/phono sockets 

Digital outputs: 

1x USB B-type 

 

1x S/PDIF coaxial 

Outboard power supply: 

18V/500mA DC, suitable for your country's mains supply 

Power consumption: 

100mA DC, <1W in standby 

Dimensions W x D x H (D with sockets):

   

206 x 227 (239) x 70,6 mm   aluminium  

 

 

 

 

          240 x 227 (239) x 72 mm      wood (including wooden side panels) 

 
Weight: 

1500g aluminium, 1780g wood (without any accessories) 

 

 

Summary of Contents for Phono Box DS2 USB

Page 1: ...INSTRUCTIONS FOR USE Pro Ject Phono Box DS2 USB ...

Page 2: ...wer supply Never place any naked flame sources such as lighted candles on or near the device The product shall not be used in damp or wet locations next to a bathtub sink swimming pool or any other similar conditions Connectors Make all connections whilst the phono amplifier is disconnected from the power supply Take care to connect the left and right channels correctly The right channel is usuall...

Page 3: ... Please note Connection should be made to an USB socket of your computer directly Connecting to USB hubs or switches can cause problems Mains power connection Connect the low voltage plug from the power supply to the Power 18V DC socket of the phono amplifier before connecting the power supply to the mains Remote power on triggers The phono amplifier can be switched on off via a special connection...

Page 4: ...MM cartridges Input capacitance is irrelevant for low output MC cartridges pF all LEDs off 47pF LEDs pF 100 220 and 320 readout always 47pF Gain dB Gain for the outputs can be set from 40dB to 65dB in steps of 5dB or 10dB Any change will be automatically stored for the chosen input when input is changed or the unit is switched into standby mode Examples of typical settings Ortofon 2M Red MM input ...

Page 5: ...s 1000 ohms and 47kohmsA Input capacitance impedance 47pF 147pF 267pF and 367pF 47kohms B Input gain 40 45 50 60 65dB Noise floor 80dB A weighted at 40dB input gain THD 0 02 RIAA equalisation curve accuracy 20Hz 20kHz max 0 3dB Subsonic filter at 20Hz with 12dB octave Phono Inputs 2 pairs RCA phono sockets Line input 1 pair RCA phono sockets Line output 1 pair RCA phono sockets Digital outputs 1x ...

Page 6: ...t your dealer for further advice Only if the problem cannot be resolved there the unit should be sent to the responsible distributor in your country Warranty The manufacturer accepts no responsibility for damage caused by not adhering to these instructions for use Modification or changes to any part of the product by unauthorized persons release the manufacturer from any liability over and above t...

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