INSTRUCTIONS FOR USE
Ject Amp Box S
Pro-
2
Dear music lover,
!
!
AC outlet voltages vary from country to country. Before connecting to the mains, make sure that the
R
L
Trigger
Out
Trigger
In
!
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.
Safety instructions
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.
Connection to the preamplifier
The Input sockets marked Left
Left / Right
Right are for connecting the cables from your pre-amp or AV processor.
LeftLeft
RightRight
Connection to the speakers
The output terminals accept loudspeaker cables terminated with 4mm ∅ Banana plugs, spades connectors
or naked wire.
Mains power connection
Connect the low voltage plug from the power supply to the Power
connecting the power supply to the mains.
Power
Power Power
∀∀∀∀
20V
20V socket of the amplifier before
20V20V
© Audio Trade GmbH · Pro-Ject Amp Box S · Revision 2015.09.01
1
3
Remote power on
+
The manufacturer accepts no responsibility for damage caused by not adhering to these instructions
The information was correct at the time of going to
The amplifier can be switched on & off via a special connection from the Pro-Ject Pre Box via the 2,5mm
socket marked Trigger In
A 45cm long power-on cable (polarity
accessories. The remote power-on signal can be relayed to further units via the Trigger Out
Trigger In.
Trigger InTrigger In
) is supplied for this purpose. Longer cables are available as
Trigger Out socket.
Trigger OutTrigger Out
To switch on from standby or to standby
The push button on the front panel of the unit alternately turns the power on or returns it to standby mode. The
blue LED above the stand-by push button shows that the unit is switched on.
Technical specifications Pro-Ject Amp 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: >40dB at 20kHz
Noise floor: >-100dB (A weighted)
THD: <0,05% at 10W
Gain: 22dB
Pre in: 1 pair RCA/phono sockets
Input sensitivity: 1V
Input impedance: 47kohms
Speaker connectors: 4mm ∅ banana plugs, spades connectors or naked wire
Trigger: 12V DC switching voltage
Trigger in and out: 2-pole co-axial ∅ 2,5mm co-axial jack
Outboard power supply: 20V/3A DC (peak 7A DC), suitable for your country's mains supply
Power consumption: 3A DC, <1W in standby
Dimensions W x H x D (D with sockets): 103 x 36 x 104 (122)mm
Weight: 670g 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
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.
Copyright
PRO-JECT is a Registered Trademark of H. Lichtenegger.
This guide was produced by: Audio Trade GmbH
Copyright © 2012. All rights reserved.
© Audio Trade GmbH · Pro-Ject Amp Box S · Revision 2015.09.0
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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