Pro-Ject Audio Systems Head Box S User Manual

Page 3

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.

Technical specifications Pro-Ject Head Box S

Power output:

330mW/30ohms, 60mW/300ohms

Headphone connection:

>30ohms

Signal to noise:

112dB (A weighted) at full output

Frequency response:

30Hz – 20kHz/-0,05dB (10Hz – 120kHz/-1dB)

THD (IMD):

0,003% (0,002%)

Gain: 11dB
Headphone jack:

3-pole ¼“ (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, <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 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.