Pro-Ject Audio Systems Pre Box SE User manual

INSTRUCTIONS FOR USE
Pro-Ject Pre Box SE

© Audio Trade GmbH · Pro-Ject Pre Box SE · Revision 15.10.10/15.12.10
2
Dear music lover,
thank you for purchasing a PRO-JECT AUDIO preamplifier.
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.
Connectors
Pre Out
Sub Out
Trigger
4
3
21
!
Make all connections whilst the preamplifier is disconnected from the power supply.
!
Take care to connect the left and right channels correctly. The right channel is usually marked red,
the left channel black or white.
Inputs
Line level sources such as CD player radio or TV can be connected to the input sockets marked 1- 4.
Pre Out
A power amplifier or active loudspeakers can be connected to the output sockets marked Pre Out.
Subwoofer output
An active subwoofer can be connected to the output sockets marked Sub.
Record output, processor loop
Out connects an analogue record device. Together with on of the inputs, it can be used as processor loop,
to operate devices like a room compensation processor.
Remote power-on, switching voltage
The socket marked Trigger provides a 12V DC switched output voltage for remote power-on of units with this
facility (such as the Pro-Ject Amp Box SE or Pro-Ject Amp Box SE Mono), which corresponds to the position
(on/off) of the power switch (A) on the front panel.
A 45cm remote power-on cable (polarity
+
) is supplied with the Pro-Ject amplifiers for connecting the
remote-switched power socket to the Pro-Ject Pre Box SE. Longer cables are available from your Pro-Ject dealer.
Do not use this trigger output for any other connections for which it is not designed.
Mains power connection
The unit 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 Power ~16V socket before connecting the power supply to the mains.

© Audio Trade GmbH · Pro-Ject Pre Box SE · Revision 15.10.10/15.12.10
3
Remote control
1
ON/OFF
short press turns the unit on, long press takes it back into standby.
Powered on, a short press activates and deactivates mute
0
_
VOL
and
0+
VOL
adjust the sound volume
CH+
CH-
VOL+
VOL-
ON/OFF
0
_
CH
and
0+
CH
select the inputs
Front panel controls
+
-
Pre Box SE
ABCD
Stand-By
Aon the front turns the unit on or back into standby. The display shows STANDBY when the unit is in standby.
While switching off, the unit saves the settings for input, volume and mute, to be set automatically after next
power on.
Dimming the display
Press and hold the buttons Cand Dwill change the display brightness - full, half and one third.
Input selector
Pressing the Input Select buttons Aand Bselects the inputs 1- 4in turns. The selected input will be shown in
the display.
The optional input expander Pro-Ject Switch Box provides three more inputs. For further details please see the
user guide of the Pro-Ject Switch Box.
Volume
Adjust the volume (95 steps) to the desired level using the buttons Cand D. The volume level will be shown in
the display. -95dB indicates min., 00dB max..
Mute
While the unit is powered on, 0
ON/OFF
activates and deactivates mute .

© Audio Trade GmbH · Pro-Ject Pre Box SE · Revision 15.10.10/15.12.10
4
Replacing batteries
Proceed as follows:
• Unlock and slide open the battery case cover
• Replace the battery.
Make sure the battery is the right way round !
• Close the battery case cover
Battery type: 1 x CR2032 / 3V or 1 x CR2025 / 3V
Do not dispose the batteries as ordinary domestic refuse. Please dispose your exhausted batteries at
the appropriate collection sites - usually located at supermarkets and drugstores.
Technical specifications Pro-Ject Pre Box SE
Frequency response: 20Hz - 20kHz (±0,2dB)
Noise floor: -94dB (A weighted)
THD: 0,005%
Gain: 12dB
Pre out: 1 pair RCA/Phono sockets
Output voltage typically: 1V at 1kHz
Record and subwoofer out: RCA/Phono sockets
Line-level inputs: 4 pairs RCA/Phono sockets
Input impedance: 100kohms
Trigger: 12V DC switching voltage
Trigger output: 2-pole 2,5mm ∅co-axial jack
Outboard power supply: 16V/1.000mA AC, suitable for your country's mains supply
Power consumption: 16V/200mA AC
Replacement battery remote control: 1 x CR2032 / 3V or 1 x CR2025 / 3V
Dimensions W x H x D (D with sockets): 103 x 72 x 144 (150)mm
Weight: 1.200g without power supply
Service
Should you encounter a problem which you are not able to alleviate or identify, 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 © 2009. 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.