Pro-Ject Head Box SE II
Dear music lover,
thank you for purchasing a PRO-JECT AUDIO headphone amplifier. With this unit you can connect up to two
headphones to your amplifier and adjust their volume individually.
In order to achieve maximum performance and reliability you should study these instructions for use carefully.
Warning of a hazard for the user, the unit or possible misuse.
Important notice.
Connection to the amplifier (recorder)
Connect the TAPE 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.
Take care to connect the left and right channels correctly. The right channel is usually marked red, the left
channel black or white.
~ 16V
Connecting the headphones
Connect the headphones to the ¼“ jack socket marked Phones 1 or Phones 2 on the front of the
headphone amplifier. Use the Volume1 and Volume2 control knobs to adjust the level to the required
volume. Two sets of headphones may be used in parallel.
Head Box SE II
Volume 1
Phones 1
Phones 2
Volume 2
Turn the volume level to minimum before connecting the headphones.
Minimum impedance of the head phone / both head phones 30ohms.
Headphone replay
Use the input selector of the amplifier to choose the source you wish to hear.
© Audio Trade GmbH · Pro-Ject Head Box SE II · Revision 1.4.07/1.4.07
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:
Headphone connection:
Signal to noise:
Frequency response:
Headphone jacks:
Power supply type:
Output voltage:
Power consumption:
Dimension W x H x D:
700mW/30ohms, 110mW/300ohms
> 30ohms
110dB (115dB - A weighted) at full output
20Hz – 20kHz/-0,03dB
0,003%/30ohms, 0,007/300ohms
3-pole ¼“ (6,3mm ∅) phono socket
Mains-fed outboard power supply
16V/1.000mA AC
16V/230mA AC
103 x 72 x 151mm
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.
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.
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. 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 © 2007. All rights reserved.
notice as deemed necessary to uphold the ongoing
process of technical development.
© Audio Trade GmbH · Pro-Ject Head Box SE II · Revision 1.4.07/1.4.07
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