Safety Instructions; Connectors; Pre Out (Xlr Sockets); Inputs - Box-Design Pro-Ject Pre Box RS Instructions For Use

Dear music lover,
thank you for purchasing a PRO-JECT AUDIO preamplifier.
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.
Tubes produce heat. Proper ventilation has to be guaranteed all the time. The unit must not be stacked.

Connectors

PUSH PUSH
Make all connections whilst the preamplifier 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.
Wiring XLR sockets: 1 ground, 2 "hot" and 3 "cold".
Never use any other power supply than the one supplied with the unit.
Record output, connecting a headphone amplifier (RCA/phono sockets)
Out connects an analogue record device ore a Pro-Ject Head Box headphone amplifier.
Out provides a fixed output level.

Pre out (XLR sockets)

A power amplifier or active loudspeakers can be connected to the output sockets marked Pre Out (balanced
connection). * For unbalanced connection use the supplied connection cable.

Inputs

The inputs In1 (RCA/phono sockets) and In 4 (XLR sockets) provide higher gain. They are dedicated to
sources with low level output signal, e.g. phono preamplifier, tape deck, or FM tuner. The inputs In 2 and In
3 (RCA/phono sockets) as well as In 5 and In 6 (XLR sockets) are suited to high level output sources like CD
player, D/A converter, or streamer.
2
© Audio Trade GmbH · Pro-Ject Pre Box RS (from S/N D16273) · Revision 2014.2.1
In 1 In 2
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18-20V
In 3
PUSH
PUSH
Pro-Ject Audio Systems, Vienna, Austria
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