Pro-Ject Audio Systems Stereo Box User manual

INSTRUCTIONS FOR USE

Pro-Ject Stereo Box

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.

Help to protect the environment

If you are not going to use the amplifier for an extended period of time, e.g. vacation, we suggest to

disconnect it from the AC mains. Please be certain that the amplifier is in standby-mode prior to unplugging

the power supply from the AC mains.

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 or 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.

Remote control

ON/OFF

turns the unit on or back into standby.

The blue LED on the front panel shows that the unit is powered on.

VOL

and

VOL

adjust the sound volume

CH+

CH-

VOL+

VOL-

ON/OFF

and

select the inputs

Front panel controls

Stereo Box

Power

Volume

Input

Select

Stand-By

The switch marked Power (press and hold to switch into standby mode) on the front panel turns 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.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.

Replacing batteries

Proceed as follows:

• 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 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.

Technical specifications Pro-Ject Stereo Box

Power output: 2 x 20W/30W at 8ohms/4ohms (both channels driven)

Frequency response: 20Hz - 20kHz (±0,2dB)

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 (D with sockets): 103 x 36 x 103 (122)mm

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

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.

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