Pro-Ject Audio Systems Box Design Pre Box DS Instructions For Use

2 Dear music lover, thank you for purchasing a PRO-JECT AUDIO 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. Connectors 18V ! 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. Pre Out A power amplifier or active loudspeakers can be connected to the output sockets marked Pre Out. Subwoofer output An active subwoofer can be connected to the output sockets marked Sub. Record output, connecting a headphone amplifier Out connects an analogue record device ore a Pro-Ject Head Box headphone amplifier. Out provides a fixed output level. Inputs Line level sources such as CD player radio or TV can be connected to the input sockets marked 1 - 4. Remote power-on, switching voltage The socket marked Trigger provides a 12V DC switched output voltage for remote power-on of units with this facility (such as the Pro-Ject Amp Box DS or Pro-Ject Amp Box DS Mono), which corresponds to the position of the stand-by switch (on/off) on the front panel. A 45cm remote power-on cable (polarity +) is supplied with the Pro-Ject amplifiers for connecting the remote-switched power socket to the Pro-Ject Pre Box DS. Longer cables are available from your Pro-Ject dealer. Do not use this trigger output for any other connections for which it is not designed. Mains power connection Connect the low voltage plug from the power supply to the Power 18V " socket before connecting the power supply to the mains.

3 Remote control 1 ON/OFF short press turns the unit on, long press takes it back into standby. Powered on, a short press activates and deactivates mute 0 _ VOL and 0 + VOL adjust the sound volume CH+ CH- VOL+ VOL- ON/OFF 0 _ CH and 0+ CH select the inputs Front panel controls + - Pre Box DS To switch on from standby or to standby turns the unit on or back into standby (press and hold to switch into standby mode). The display shows STANDBY when the unit is in standby. While switching off, the unit saves the settings for input, volume and mute, to be set automatically after next power on. Dimming the display Press and hold the buttons and will change the display brightness - full, half and one third. Input selector Pressing the buttons and repeatedly selects the inputs 1 - 4 in turns. The selected input will be shown in the display. Volume Adjust the volume (63 steps) to the desired level using the buttons and . The volume level will be shown in the display. -63dB indicates min., 00dB max.. Mute While the unit is powered on, 0 ON/OFF activates and deactivates mute .

4 Replacing batteries Proceed as follows:  Unlock and slide open the battery case cover  Replace the battery. Make sure the battery is the right way round !  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 DS Frequency response: 20Hz - 20kHz (-0,3/-0,01dB) Noise floor: -95dB (A weighted) THD: 0,0035% Gain: 13dB Pre out: 1 pair RCA/phono sockets Output voltage typically: 1V at 1kHz Record and subwoofer out: RCA/phono sockets Line-level inputs: 4 pairs RCA/phono sockets Input impedance: 10kohms Trigger: 12V DC switching voltage Trigger output: 2-pole 2,5mm  co-axial jack Outboard power supply: 18V/500mA DC, suitable for your country's mains supply Power consumption: 220mA DC, <1W in standby Replacement battery remote control: 1 x CR2032 / 3V or 1 x CR2025 / 3V Dimensions W x H x D (D with sockets): 103 x 72 x 144 (150)mm Weight: 1.100g without power supply Service Should you encounter a problem which you are not able to alleviate or identify, please contact your dealer for further advice. Only when the problem cannot be resolved there should the unit 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 change to any part of the product by unauthorized persons release the manufacturer from any liability over and above the lawful rights of the customer. 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, 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. Copyright PRO-JECT is a Registered Trademark of H. Lichtenegger. This guide was produced by: Audio Trade GmbH Copyright © 2012. All rights reserved. The information was correct at the time of going to press. The manufacturer reserves the right to make changes to the technical specification without prior notice as deemed necessary to uphold the ongoing process of technical development.