Pro-Ject Audio Systems Box Design Pre Box RS2 Digital Instructions For Use Manual Download Page 2

© Pro-Ject Audio Systems · Pro-Ject Pre Box RS2 Digital · Revision 2019.08.14 

 

 

2

 

Dear music lover, 
thank you for purchasing a Pro-Ject Audio Systems preamplifier. 
In order to achieve maximum performance and reliability you should study these instructions for use carefully. 

 

Warning of a hazard for the user, the unit or possible misuse 

 

Important notice 

Safety instructions 

 

AC outlet voltages vary from country to country. Before connecting to the mains, make sure that the 
voltage in your area meets the voltage requirements printed on the power supply. 
The power supply is used to disconnect the unit from the mains. Make sure that the power supply is easily 
accessible at all times.

 

Never handle the device or the power supply while your hands are wet or damp. 

Avoid letting liquids enter the device or the power supply. Never place any item containing liquid, such 
as a flower vase on or near the device. Never spill any liquid on the device or the power 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 preamplifier is 

disconnected from the power supply

Take care to connect the left and right channels correctly. The right channel is usually marked red,  

the left channel black or white. 
Never use any other power supply than the one supplied with the unit except of Pro-Ject Power Boxes 
which can replace original power supplies. 

Analogue outputs  

The unit offers following analogue output sockets: 
1 pair of XLR connectors for balanced output 
1 pair of RCA connectors for unbalanced output 
Headphone Jack 6,3mm - socket on front panel 

 

Inputs 

 
USB 
 
is dedicated to connection to a Computer. Connect the USB-input of the unit (unit must be switched on) to a 

free USB-socket on your computer and turn it on/make sure it is powered on.  

Summary of Contents for Box Design Pre Box RS2 Digital

Page 1: ...INSTRUCTIONS FOR USE Pro Ject Pre Box RS2 Digital ...

Page 2: ...flower vase on or near the device Never spill any liquid on the device or the power 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 preamplifier is disconnected from the power supply Take care...

Page 3: ...uts Opto1 and Opto2 are optical inputs Coax is coaxial input and AES EBU is balanced input Bluetooth Make sure the antenna is attached to its connector on the back panel prior using Bluetooth Use only supplied antenna Bluetooth icon on the display works as a status indicator white icon no active Bluetooth connection green blinking waiting for pairing confirmation blue icon Bluetooth device is conn...

Page 4: ...on If a trigger signal is present the unit can t be switched off by the pushbutton 2 Remote power on triggers The unit can be switched on via other Box Design components when a 12V trigger voltage is present at the 2 5mm socket marked Trigger Input Special power on cables polarity in diverse lengths are available as accessories The remote power on signal can be relayed to further units via the Tri...

Page 5: ...commended to disable cross fade and start stop fade if available in player MQA only MQA data are upsampled ON all data from digital inputs are upsampled to 384 352kHz Recommended settings for playing MQA and or tracks with various sample rate RECLOCKING is a technology which changes internal clock synchronization in the unit Overall effect on jitter is insignificant however in spectrum analysis of...

Page 6: ...LUETOOTH deletes all paired devices BRIGHTNESS adjust display brightness in 10 steps THEME invert colours black background white font and vice versa INFO license and hw sw versions informations an example of main page of display with explanation HDMI input PCM data on input Upsampling active Bit depth of incoming signal 16bit Sampling frequency of incoming signal 44kHz sampling frequency of conver...

Page 7: ...05 6 768 kHz DSD support DSD64 DSD128 DSD256 and DSD512 DoP DSD512 native MQA support full MQA unfolding by hardware for all digital inputs Dynamic Range 124dBA Channel separation 117dB at 10kHz 0dB SNR 20Hz 20kHz 113dB at 0dB THD 0 005 solid state output 0 25 tube output THD 20Hz 20kHz 0 0003 0 dB 2V RMS 1 kHz THD N 20Hz 20kHz 0 0009 Analog input sensitivity 350mV Line input impedance 50kohms USB...

Page 8: ...collection and recycling of electronics and component materials in order to reduce the amount going to landfills Outside North America when the user decides to discard this product it must be sent to a separate collection facility for recycling Please contact your point of purchase for more details Federal Communication Commission FCC Interference Statement FCC Part 15 This equipment has been test...

Page 9: ...4 53 EU including amendments The following harmonised standards were applied Health EN62479 2010 Safety EN60950 1 2006 A11 2009 A1 2010 A12 2011 A2 2013 EN62368 1 2014 A11 2017 EN61558 1 2005 A1 2009 EN61558 2 16 2009 A1 2013 EMC EN301489 1 V2 2 0 2017 03 EN301489 17 V3 2 0 2017 03 EN55032 2015 EN55035 2017 EN61000 3 2 2014 EN61000 3 3 2013 Radio Spectrum EN300328 V2 1 1 2016 11 Pro Ject Audio Sys...

Reviews: