User Manual - Box Design by Pro
Contents
1. Y 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 Connection to the amplifier recorder Connect the TAPE RECORD OUT RCA phono sockets from your amplifier to the In RCA phono sockets of the headphone amplifier As the analog input signal is relayed to the RCA phono sockets Out the Out RCA phono sockets of the headphone amplifier can be connected to the input sockets of your recorder Alternatively analog sources like CD player or tuner can be reconnected to the In RCA phono sockets directly Connecting to a Computer Connect the USB input of the headphone amplifier unit must be switched on to a free USB socket on your computer and turn it on make sure it is powered on The amp will be automatically recognised by the computer There is no need to install a driver manually 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 socket before connecting the power supply to the mains 2 Pro Ject Audio Systems Pro Ject Head Box S USB Revision 2015 4 2 Front panel controls 1 2 e0 e Head Box S USB Please turn the volume level to minimum before connecting the headphone Minimum2. 10 DCI BY PRO JECT AUDIO SYSTEMS INSTRUCTIONS FOR USE Pro Ject Head Box S USB Dear music lover thank you for purchasing a Pro Ject Audio Systems headphone amplifier 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 5 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 V 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 Connections a 7 dE a Left Right Left Right 18V m 0 6 RoHS Pro Ject Audio Systems Vienna Austria O O Make all connections except the connection to the computer and the headphone whilst the unit is disconnected from the power supply
3. Sampling rates USB input USB signal Operating systems Outboard power supply Power consumption Dimensions W x H x D D with sockets Weight Service 350mW 300hms 60mW 300ohms gt 300hms 112dB A weighted at full output 20Hz 20kHz 0 7 OdB 0 002 9dB 3 pole 1 4 6 3mm co axial jack 1 pair RCA phono sockets 1 pair RCA phono sockets Burr Brown PCM2702E 16 Bit Delta Sigma 8 fach Oversampling 44 1kHz and 48kHz 5 pin mini b connector digital serial data protocol USB 1 1 Windows XP Windows VISTA Windows 7 and Mac OS 18V 500mA DC suitable for your country s mains supply 250mA DC lt 1W in standby 103 x 36 x 104 109 mm 600g without power supply Should you encounter a problem which you are not able to alleviate or identity despite the above information 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 Copyright trademarks Pro Ject Audio Systems is a Registered Trademark of H The information was correct at the time of going to Lichtenegger press The manufacturer reserves the ri
4. ght to make This guide was produced by Pro Ject Audio Systems changes to the technical specification without prior Copyright 2015 All rights reserved notice as deemed necessary to uphold the ongoing process of technical development Windows XP Windows Vista Windows 7 and Windows 8 are trademarks of the Microsoft group of companies Mac and Mac OS are trademarks of Apple Inc registered in the U S and other countries Dolby is a registered trademark of Dolby Laboratories DTS is a registered trademark of DTS Inc 4 Pro Ject Audio Systems Pro Ject Head Box S USB Revision 2015 4 2
5. impedance of the head phone 30ohms To switch on from standby or to standby The push button on the left hand side will toggle the unit between its fully operational status and standby The blue LED above the stand by push button shows that the unit is switched on Input selector Pressing the grey button next to the two LEDs repeatedly selects the inputs in turns The selected input will be shown by the corresponding LED on the Head Box S USB 15 Important notice Connecting a headphone volume control Connect the headphones to the Y 6 3mm jack socket on the front of the headphone amplifier Use the control knob to adjust the level to the required volume Headphone replay Use the input selector of the amplifier or the headphone amplifier to choose the source you wish to hear Potential incorrect use and fault conditions No signal on one or both channels No connection between headphone and headphone amplifier ore amplifier This could be due to a faulty plug broken wire or solder joint or simply loose plug socket connection Headphone does not work Headphone volume control is at minimum Amplifier Tape Monitor circuit is not activated Pro Ject Audio Systems Pro Ject Head Box S USB Revision 2015 4 2 3 Technical specifications Pro Ject Head Box S USB Power output Headphone connection Signal to noise Frequency response THD Gain Headphone jack Line level input Line level output A D converter
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