Pro-Ject Amp Box DS
INSTRUCTIONS FOR USE
© Pro
2
Dear music lover,
!
!
AC outlet voltages vary from country to country. Before connecting to the mains, make sure that the
be used in damp or wet locations, next to a bathtub, sink, swimming pool or any other similar conditions.
Trigger
IN
OUT
2x48V=
Pro-Ject Audio System
Vienna, Austria
Amp Box DS
!
Never use any other power supply than the one supplied with the unit.
Left / Right
2x48V=
thank you for purchasing this 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
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
Never handle the device, the power cord/power supply while your hands are wet or damp.
times.
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
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.
Connection to the preamplifier
The RCA/cinch sockets marked
are for connecting the cables from your pre-amp or AV processor.
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
connecting the power supply to the mains.
-Ject Audio Systems · Pro-Ject Amp Box DS · Revision 2017.2.20
socket of the amplifier before
2017.2.20
3
Remote power on
Trigger IN
+
Trigger OUT
!
power supply and from the mains. Failure to do so may result in damage of the unit.
The manufacturer accepts no responsibility for damage caused by not adhering to these instructions
release the
manufacturer from any liability over and above the lawful rights of the customer.
Pro-Ject Audio Systems is a Registered Trademark of
The amplifier can be switched on & off via a special connection from the Pro-Ject Pre Box DS via the 2,5mm
socket marked
.
Special power-on cables (polarity
on signal can be relayed to further units via the
Trigger cables may only be plugged into the sockets when the amplifier is disconnected from the
) in diverse lengths are available as accessories. The remote power-
socket.
To switch on from standby or to standby
The pushbutton on the front panel of the unit alternately turns the power on or returns it to standby mode. The
blue LED on the front panel shows that the unit is powered on.
Technical specifications Pro-Ject Amp Box DS
Power output: 2 x 100W/180W at 8 ohms/4 ohms (both channels driven)
Frequency response: 10Hz - 50kHz (+0dB, -3)
Channel separation: >40dB at 20kHz
Noise floor: >-90dB (A weighted)
THD: <0,1% at 90W
Gain: 26dB
Pre in: 1 pair RCA/phono sockets
Input sensitivity: 1,5V
Input impedance: 100kohms
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: ±48V/2,5A DC, suitable for your country's mains supply
Power consumption: 2,5A DC, <1W in standby
Dimensions W x H x D (D with sockets): 103 x 72 x 144 (163)mm
Weight: 1.400g 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,
Copyright
H. Lichtenegger.
This guide was produced by: Pro-Ject Audio Systems
Copyright
©
2017. All rights reserved.
© Pro-Ject Audio Systems · Pro-Ject Amp Box DS · Revision
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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