Pro-Ject Audio Systems Stereo Box User manual

INSTRUCTIONS FOR USE
Pro-Ject Stereo Box

© Audio Trade GmbH · Pro-Ject Stereo Box · Revision 15.4.09/1.6.09
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Dear music lover,
thank you for purchasing a PRO-JECT AUDIO amplifier.
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
Trigger Switch
!
Make all connections whilst the amplifier 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.
The red speaker terminals carry the positive signal (+), the black speaker terminals the negative
signal (–). Make sure the polarity of the connection is correct at each end of the cables.
Inputs
Line level sources such as CD player radio or TV can be connected to the input sockets marked In 1 & In 2.
Connection to the speakers
The output terminals accept loudspeaker cables terminated with 4mm ∅Banana plugs, spades connectors
or naked wire.
!
Only connect one loudspeaker with an impedance not less than 4 Ohm per channel.
Remote switching
Optional Pro-Ject Switch Box. The Trigger Switch socket connects the input expander Pro-Ject Switch Box.
The Switch Box provides four extra line-level inputs.
A 30cm remote switching cable is supplied with the Pro-Ject Switch Box for connecting the Trigger Switch
socket of the Pro-Ject Stereo Box.
Do not use this socket 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 20V socket before connecting the power supply to the mains.

© Audio Trade GmbH · Pro-Ject Pre Box · Revision 15.4.09/1.6.09
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Using the Pro-Ject Stereo Box
Stereo Box
Power
1
Volume
2
Input
Select
Stand-By
The switch marked Power (press and hold to switch into standby mode) on the front panel and ON/OFF
button on the remote control turn the unit on or back into standby. The blue LED on the front panel shows that
the unit is powered on.
Input selector
After the unit is powered on, pressing the Power button selects the In 1 and In 2 inputs in turn. Select the
inputs using the remote control buttons marked CH- or CH+. If Input 1is selected, the LED over the Input
Select button lights up green. If Input 2 is selected, it lights up red.
If the optional input expander Pro-Ject Switch Box is connected, Input Select will also select the additional
inputs provided by the Switch Box.
Volume
Adjust the volume to the desired level using the large knob marked Volume on the front panel or by using
the buttons on the remote control marked VOL- or VOL+.
Remote control Pro-Ject Stereo Box
ON/OFF switches the unit into and back out of the standby mode
VOL- and VOL+ adjusts the sound volume
CH- and CH+ selects the inputs
CH+
CH-
VOL+
VOL-
ON/OFF
Changing batteries
Proceed as follows:
• Slide open the battery case cover
• Replace the battery. Make sure the battery is the right way round
• Refit the battery case cover
Battery type: 1 x CR 2032 / 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.

© Audio Trade GmbH · Pro-Ject Stereo Box · Revision 15.4.09/1.6.09
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Technical specifications Pro-Ject Stereo Box
Power output: 2 x 20W/30W at 8ohms/4ohms (both channels driven)
Frequency response: 20Hz - 20kHz (+ - 0,2 dB)
Channel separation: > 40dB at 20kHz
Noise floor: > -100dB (A weighted)
THD: < 0,05% at 10W
Gain: 22dB
Line-level inputs: 2 pairs RCA/Phono sockets
Input impedance: 20kohms
Trigger Switch: 2-pole 2,5mm co-axial jack
Speaker connectors: 4mm ∅banana plugs, spades connectors or naked wire
Outboard power supply: 20V/3A DC (peak 7A DC), suitable for your country's mains supply
Power consumption: 20V/3A DC
Replacement battery remote control: 1 x CR 2032 / 3V
Dimensions (W x H x D): 103 x 38 x 141mm
Weight: 720g 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 © 2008. 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.