Pro-Ject Audio Systems Stereo Box S Phono User manual

INSTRUCTIONS FOR USE

Pro-Ject Stereo Box S Phono

Dear music lover,

Thank you for purchasing a Pro-Ject Audio Systems integrated 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.

Safety instructions

AC outlet voltages vary from country to country. Before connecting to the mains, make sure that the

voltage in your area meets the voltage requirements printed on the power supply.

The power supply is used to disconnect the unit from the mains. Make sure that the power supply is easily

accessible at all times. Never handle the device, the power supply while your hands are wet or damp.

Avoid letting liquids enter the device or the power supply. Never place any item containing liquid,

such as a flower vase on or near the device. Never spill any liquid on the device or the power supply.

Never place any naked flame sources, such as lighted candles on or near the device. The product shall not

be used in damp or wet locations, next to a bathtub, sink, swimming pool or any other similar conditions.

Connectors

1. Make all connections, except the connection to the headphone and USB, whilst the unit is

disconnected from the mains.

2. Never connect or disconnect power supply to or from the unit whilst the power supply is connected

to the mains! Never use any other power supply than the one supplied with the unit with the exception

of dedicated Power Boxes which can replace original power supplies.

3. Take care to connect the left and right channels of In1, In2, In3, In4 correctly. The right channel is

usually marked red, the left channel black or white.

4. Speaker connections for the left speaker are located on the right hand side of rear view above,

connections to right speaker are located near the power socket. Speaker connectors marked red

represent +according indicators on speaker terminal. 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. Only connect one loudspeaker with an impedance not less than 4

ohms per channel.

Connecting the record player (MM or high output MC cartridges only)

Connect the tonearm signal lead to the IN1. The earthing wire may be connected to the screw terminal if you

encounter hum problems when using the record player.

Connecting line level sources

Line level sources such as CD player, radio or TV can be connected to the input sockets marked IN2, IN3or

IN4.

Record output

OUT Fix connects an analogue record device or a Pro-Ject Head Box headphone amplifier.

OUT Fix provides a fixed output level.

Pre Out

A power amplifier or active loudspeakers can be connected to the output sockets marked OUT Var.

Connection to the speakers

The output terminals accept loudspeaker cables terminated with 4mm Banana plugs, spades connectors

or naked wire.

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 DC socket before connecting the power supply to the mains.

Remote control

turns the unit on or back into standby

and adjust the sound volume

and select the inputs

Front panel controls

To switch on from standby or to standby

The push button on the left side of the front panel turns the unit on or back into standby. The blue LED above

the stand-by push button shows that the unit is switched on.

Input selector

After the unit is powered on, pressing the buttons◄ and ►next to the LEDs inputs indicators selects

desired input.

Volume

Adjust the volume to the desired level, using the large knob on the front panel.

CH+

CH-

VOL+

VOL-

ON/OFF

VOL

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 Stereo Box S Phono

Power output: 2 x 25W/37W at 8 ohms/4 ohms (both channels driven)

Frequency response: 20Hz - 20kHz (- 1,5dB)

Channel separation: > 40dB at 20kHz

Noise floor: > -100dBA

THD: <0,1% at 10W

Gain: 31dB

Line-level inputs: 3 pairs RCA/phono sockets (IN2,IN3,IN4)

Phono input: 1 pair RCA/phono sockets (IN1)

Phono amplifier Moving magnet (MM)

RIAA-equalisation curve accuracy 20Hz - 20kHz / max. 0,5dB

Input impedance: 20kohms

Speaker connectors: 4mm banana plugs, spades connectors or naked wire

Outboard power supply: 20V/3A DC, suitable for your country's mains supply

Power consumption: 3A DC, <1W in standby

Replacement battery remote control: 1 x CR2032 / 3V or 1 x CR2025 / 3V

Dimensions W x H x D (D with sockets): 206 x 40 x 150 (165)mm

Weight: 1120g without power supply

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 Audio Systems is a Registered Trademark of

H. Lichtenegger.

This guide was produced by: Pro-Ject Audio Systems

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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