Owner manual
© Audio Trade GmbH · Pro-Ject Head Box SE II · Revision 15.10.10/15.12.10
3
Mains power connection 
The headphone amplifier is supplied with a power supply suitable for your country's mains supply. Check the 
label before connecting to ensure compliance with the mains rating in your house. Connect the low voltage 
plug from the power supply to the socket Power ~16V before connecting the power supply to the mains. 
Technical specifications Pro-Ject Head Box SE II 
Power output: 700mW/30ohms, 110mW/300ohms 
Headphone connection:  > 30ohms 
Signal to noise:  110dB (115dB - A weighted) at full output 
Frequency response:  20Hz – 20kHz/-0,03dB 
THD (IMD):  0,003%/30ohms, 0,007/300ohms 
Gain: 12dB 
Headphone jacks:  3-pole ¼“ (6,3mm ∅) phono socket 
Line-level output:  1 pair RCA/Phono sockets 
Outboard power supply:  16V/1.000mA AC, suitable for your country's mains supply 
Power consumption:  16V/230mA AC 
Dimensions W x H x D (D with sockets):  103 x 72 x 144 (150)mm 
Weight:  1.080g 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 © 2007. 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. 



