Pro-Ject Audio Systems Box S USB User manual

INSTRUCTIONS FOR USE

Pro-Ject Stereo Box S

Dear music lover,

thank you for purchasing a Pro-Ject Audio Systems 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

Please note that the back side of front panel edges can be sharp! Please handle carefully!

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 cord is

used to disconnect the unit from the mains. Make sure that the power cord is easily accessible at all

times. Never handle the device, the power cord/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

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.

Only connect one loudspeaker with an impedance not less than 4 ohms per channel.

Never use any other power supply than the one supplied with the unit.

Inputs

Line level sources such as CD player radio or TV can be connected to the input sockets marked IN1 or IN2.

Connection to the speakers

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

or naked wire.

Record output, connecting a headphone amplifier

Record Out connects an analogue record device ore a Pro-Ject Head Box headphone amplifier.

Record Out provides a fixed output level.

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 mainsl.

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 (press and hold to switch into standby mode) on the left hand 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 push button on the right, selects the In 1 and In 2 inputs in turn.

The optional input expander Pro-Ject Switch Box S provides three more inputs. For further details please see the

user guide of the Pro-Ject Switch Box S.

Volume

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

CH+

CH-

VOL+

VOL-

ON/OFF

VOL

Stereo Box S

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

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

Frequency response: 5Hz - 20kHz (+0dB, -0,5dB)

Channel separation: >65dB at 20kHz

Noise floor: >90dB (A weighted)

THD: <0,07% at 15W

Gain: 31dB

Line-level inputs: 2 pair RCA/phono sockets

Input sensitivity: 350mV

Input impedance: 50kohms

Record Out: 3-pole 3,5mm co-axial jack

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): 103 x 36 x 104 (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 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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