Pro-Ject Amp Box S3 CI Bruksanvisning

Pro-Ject Hi-fi system Amp Box S3 CI

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INSTRUCTIONS FOR USE

Pro-Ject Amp Box S3 CI

Dear music lover,

thank you for purchasing a P -Ject Audio Systems custom integration amplifier. ro

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 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 mains. Take care to connect the left

and right channels correctly. The right channel is usually marked red, the left channel black or white.

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.

Connection to the preamplifier

The Input sockets marked L

LLeft

eft

efteft

R Rig

igight

htht/ are for connecting the cables from your pre-amp or AV processor. Signal

can be relayed further via RCA output marked

LLoop.

oop.

oop.oop.

Connection to the speakers

The output terminals accept phoenix connectors. A 4-pin phoenix connector for the speaker outputs is included

in the packaging.

Take care to mount L+/- and R+/- speaker cables wires correctly. + and is usually clearly marked –

on speaker cables.

Mains power connection

Connect the low voltage plug from the power supply to the Powe

Powe

PowePower

r r

-- V

DCDC 20

2020 24

2424 phoenix connectors of the

amplifier before connecting the power supply to the mains. A 2-pin phoenix connector for the power supply is

included in the packaging. Mount the -

rred

ed ed PSU cable in the “+” and the blac

blac

blacblack

k k in the “ “ connectors.

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©Pro-Ject Audio Systems Amp Box · Revision 4. .· S3 CI 202 05 27

Trigger

The amplifier can be switched on & off via the 12V DC 2,5mm socket marked Tr

TrTrigg

igg

iggigger

er er In

InIn. Cables are available

as accessories. The remote power-on signal can be relayed to further units via the Trig

Trig

TrigTrigge

geger

r r Out

Out

OutOut socket.

Pay attention to the correct polarity of the cable.

RS232 on/off or front panel button on/off can override trigger commands.

Only connect the remote power cable when the pre- and power amplifier are disconnected from the

mains. Failure to observe can result in damage to the circuit.

Signal Sensing

Use the dip switch to turn signal sensing on and off. When turned on, the Amp Box S3 CI turns off

Sig.S

Sig.SSig.Sens.

ens.

ens.ens.

automatically when no input signal is detected for 3 seconds (less than 4,4mV over 3 seconds), and

automatically powers on as soon as an input signal is detected (threshold of 4,2mV).

When Signal Sensing is , then turning the unit on or off with the front panel button, RS232 or trigger

ONON

will not work.

Auto Power

Set the dip switch to to enable the Amp Box S3 CI to be turned on as soon as it receives power

Auto

Auto Auto Pwr

Pwr

PwrPwr O

OOn

n n

from the connected power supply. The power button on the front panel does not need to be pressed anymore

to turn the Amp Box S3 CI on.

When Auto Power is , then turning the unit on or off with the front panel button, RS232 or trigger

ONON

will not work. Auto Power also overrides signal sensing, the device will always stay on.

RS232

RS232 is a widely used control protocol used in custom integration to remotely control and integrate devices

into a larger system. Home theatre, public address systems, lobby background music, hotels, ….

The RS232 documentation can be downloaded on the product website:

https://www.project-audio.com/en/product/amp-box- -ci/#downloadss3

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.

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 

Produkspesifikasjoner

Merke:	Pro-Ject
Kategori:	Hi-fi system
Modell:	Amp Box S3 CI

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