Potential incorrect use and fault conditions, Technical specifications pro-ject head box ds, Service – Pro-Ject Audio Systems Head Box DS User Manual

Page 4: Warranty, Copyright, trademarks

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.

PRO-JECT is a Registered Trademark of H. Lichtenegger.

This guide was produced by: Audio Trade GmbH
Copyright

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..