User Manual - Box Design by Pro
Contents
1. 10 DCI BY PRO JECT AUDIO SYSTEMS INSTRUCTIONS FOR USE Pro Ject Pre Box RS Digital Dear music lover thank you for purchasing a Pre Box RS Digital from Pro Ject Audio Systems In order to achieve maximum performance and reliability you should study these instructions for use carefully V Warning of a hazard for the user the unit or possible misuse 15 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 V 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 Tubes produce heat Proper ventilation has to be guaranteed all the time The unit must not be stacked Connectors Pro Ject Power O 10 Audio Systems Vienna Austria als 4 E Analog Clock Out E S PDIF ai Ins in 6 In7 In8 wiw ww2. 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 Wiring XLR sockets 1 ground 2 hot and 3 cold 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 Analog out A power amplifier or active loudspeakers can be connected to the output sockets marked Analog Out XLR balanced connection or RCA unbalanced connection 2 Pro Ject Audio Systems Pro Ject Pre Box RS digital Revision 201 4 4 22 Inputs In USB is dedicated for a 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 The Pre Box RS Digital will be recognized by the computer automatically 24Bit 192kHz driver Windows operating systems only For Windows operating systems a 24Bit 192kHz driver has to be installed Insert the included CD into the drive of your PC and follow the instructions After installing the 24Bit 192kHz driver following settings have to be done For example Windows 7 operating system gt Control Panel gt Hardware and Sound gt Sound gt Playback select Project RS USB 2 0 Audio Out gt Properties gt Supported Formats make sure nothing is assigned g
3. Pro Ject Audio Systems changes to the technical specification without prior Copyright 2014 All rights reserved notice as deemed necessary to uphold the ongoing process of technical development 6 Pro Ject Audio Systems Pro Ject Pre Box RS digital Revision 2014 4 22
4. OLID ES N 50 O A uy PY Y Y Y E INPUTS h DAC2 FIL2 TUBE 1223440 5607 E EA OO OO Pre Box RS Digital Headphone connection Connect the headphones to the socket on the front panel Jack 6 3mm and select proper impedance with the switch OUT Ohm next to headphone socket When using headphones main outputs XLR amp RCA will not be muted To switch on from standby or to standby The switch on the left hand side of the front panel turns the unit on or back into standby The blue LED above the stand by switch shows that the unit is switched on y We recommend setting the volume control to minimum prior to switching on Volume Adjust the volume to the desired level using the large knob on the front panel Input selector After the unit is powered on operating the switch marked with AW selects the inputs The selected input will be shown by the corresponding LED DAC selector Switch to DAC 1 for 24bits 192kHz and DSD capability or to DAC 2 for 32bits 384kHz support Filter selector Two filters are available Switch between FIL 1 and FIL 2 to select desired filter Output stage selector The switch on the very right side select between solid state output stage and tube output stage Selecting of tube for the first time after start of the unit requires heat up period Sampling frequency LED indicators On the front panel 8 LEDs indicate current sampling frequency of the incoming digital
5. signal Another 2 LEDs for DSD indicate DSD64 or DSD128 4 Pro Ject Audio Systems Pro Ject Pre Box RS digital Revision 2014 4 22 DSD settings Pro Ject Pre Box RS Digital is capable of playing DSD64 and DSD128 files For playing DSD files a dedicated software player is required which is also capable to play these files for example JRiver Mediacenter Foobar2000 etc Required settings for DSD DSD Playback Method DoP DSD over PCM DoP Marker Ox05 OxFA neg DSD requires high data rate and slower computers may have problems with playing DSD Replacing batteries Proceed as follows e Unlock and slide open the battery case cover e Replace the battery Make sure the battery is the right way round e Close the battery case cover Battery type 1 x CR2032 3V or 1 x CR2025 3V Do not dispose the batteries as ordinary domestic refuse Please dispose your exhausted batteries at the appropriate collection sites usually located at supermarkets and drugstores Technical specifications Pro Ject Pre Box RS Digital DACs 32bits 384kHz Tubes Frequency response Signal to noise ratio THD Digital inputs S PDIF Line level inputs Input impedance Analogue outputs Headphone impedance analogue input sensitivity Master clock output Outboard power supply Power consumption Replacement battery remote control Dimensions W x H x D D with sockets Weight DAC1 2x PCM1792 24bits 192kH
6. t Level gt Sound setting must be 100 gt Enhancements disable all enhancements gt Advanced gt Default Format set to studio quality 24 192 Recommended settings for USB streaming SAFE and ASIO buffer size 8192 or higher Connection should be made to an USB socket of your computer directly Connecting to USB hubs or switches can cause problems In 2 Sonic This input must be used together with Clock out BNC socket which is only for connection to Pro Ject CD Box RS Do not connect any other devices You can find details in instruction manual for Pro Ject CD Box RS In 3 to In 9 Pre Box RS Digital offers 1 AES EBU digital input 1x XLR and 6 S PDIF digital inputs 2x coaxial RCA 4x optical Toslink Digital sources like CD players TV sets satellite cable receivers streamers and also computers can be connected to these inputs In 10 Analog This input is dedicated to source with analog output signal e g phono preamplifier tape deck or FM tuner Mains power connection Connect the low voltage plug from the power supply to the Power 18 20V DC socket before connecting the power supply to the mains Remote control ON OFF turns the unit on or back into standby and adjust the sound volume and om select the inputs Pro Ject Audio Systems Pro Ject Pre Box RS digital Revision 2014 4 22 3 Front panel a gt vel 64 128 44 4B 88 96 176 192 352 384 o o o o o o o o o o o OUT Ohm DSD A DAC1 FIL1 S
7. z DAC2 PCM5102 2 x 6922EH 20Hz 50kHz 0dB 0 1 dB 100dB IEC A 0 005 solid state 0 25 tube 1x USB 2 0 Audio 32 384 DoP DSD64 128 1x RJ45 Sonic 125 for CD Box RS in Sonic mode 2x S PDIF 24 192 coaxial 4x Optical 24 96 1x AES EBU balanced 24 192 1 pair RCA phono sockets 33kQ Pre out 1x XLR 1x RCA Cinch Headphone 6 35mm jack 5 20 50 Q switchable 1 6V rms for full headphone output 16 9344MHz 20V 3A DC suitable for your country s mains supply 300mA solid 850mA tube 90mA standby 1 x CR2032 3V or 1 x CR2025 3V 206 x 72 x 200 210 mm 1950g without power supply Pro Ject Audio Systems Pro Ject Pre Box RS digital Revision 2014 4 22 5 Service Should you encounter a problem which you are not able to alleviate or identify please contact 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 14 for use Modification or changes to any part of the product by unauthorized persons release the manufacturer from any liability over and above the lawful rights ofthe customer Copyright trademarks Pro Ject Audio Systems is a registered Trademark of The information was correct at the time of going to H Lichtenegger press The manufacturer reserves the right to make This guide was produced by
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