Pro-Ject Audio Systems Head Box DS - Manual (Page 4)

© Audio Trade GmbH · Pro-Ject Head Box DS (from S/N D8896) · Revision 2013.8.15
4
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.
Technical specifications Pro-Ject Head Box DS
Power output: 350mW/30ohms, 60mW/300ohms
Headphone connection: >30ohms
Signal to noise: 112dB (A weighted) at full output
Frequency response: 20Hz - 20kHz/-0,5dB
THD: 0,00%
Gain: 9dB
Headphone jack:
3-pole ¼“ (6,3mm ) co-axial jack
Line-level input: 1 pair RCA/phono sockets
Line-level output: 1 pair RCA/phono sockets
A/D-converter: Cirrus Logic CS4344.
24Bit/192kHz Delta Sigma-D/A converter
Supported audio format: PCM (LPCM). No support for formats like Dolby ® Digital or DTS ™
Sampling rates
Optical input: 44,1kHz, 48kHz, 88,2kHz and 96kHz
Coaxial input and USB input: 44,1kHz, 48kHz, 88,2kHz, 96kHz, 176,4kHz and 192kHz
USB input: 5 pin b connector (USB cable supplied)
USB signal: digital serial data protocol USB 2.0
Operating systems: Windows XP ® , Windows Vista ® , Windows 7 ® , Windows 8 ® and Mac OS ®
Outboard power supply: 18V/1.000mA DC, suitable for your country's mains supply
Power consumption: 500mA DC, <1W in standby
Dimensions W x H x D (D with sockets): 103 x 72 x 144 (150)mm
Weight:
990g without power supply
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 liability over and above the lawful rights of the customer.
Copyright, trademarks
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.
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 trademarks of Dolby Laboratories. DTS ™ is a registered trademark of DTS, Inc..