User Manual - Box Design by Pro
Contents
1. BY PRO JECT AUDIO SYSTEMS INSTRUCTIONS FOR USE Pro Ject Head Box 5 Dear music lover thank you for purchasing a PRO JECT AUDIO 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 neg 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 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 In Out Power rons Left Right Left Right 18 Pro Ject Audio Systems Vienna Austria OO Make all connections except the connection to the headphone whilst the unit is disconnected from the power supply Take care to connect the left and right chan2. ability over and above the lawful rights of the customer Copyright PRO JECT is a Registered Trademark of H Lichtenegger The information was correct at the time of going to press The manufacturer reserves the right to make This guide was produced by Audio Trade GmbH changes to the technical specification without prior Copyright 2011 All rights reserved notice as deemed necessary to uphold the ongoing process of technical development Audio Trade GmbH Pro Ject Head Box 5 Revision 2013 1 15 3
3. nels correctly The right channel is usually y marked red the left channel black or white Please turn the volume level to minimum before connecting the headphone Minimum impedance of the head phone 30ohms 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 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 a headphone volume control Connect the headphones to the 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 amplitier to choose the source you wish to hear Mains power connection Connect the low voltage plug trom the power supply to the Power 18V socket before connecting the power supply to the mains 2 Audio Trade GmbH Pro Ject Head 5 Revision 2013 1 15 switch from standby 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 Technical specifica
4. tions Pro Ject Head Box S Power output 330mW 300hms 60mW 3000hms Headphone connection gt 300hms Signal to noise 1124 A weighted at full output Frequency response 30Hz 20kHz 0 05dB 10Hz 120kHz 1 dB THD IMD 0 003 0 002 Gain 1148 Headphone jack 3 pole 6 3mm co axial jack Line level output 1 pair RCA phono sockets Outboard power supply 18V 500mA DC suitable for your country s mains supply Power consumption 100mA DC lt 1W in standby Dimensions W x H x D D with sockets 103 x 36 x 104 109 mm Weight 600g without power supply 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 Service Should you encounter a problem which you are not able to alleviate or identify 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 li
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