Pro-Ject Audio Systems Head Box S User Manual

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Dear music lover,
thank you for purchasing a PRO-JECT AUDIO headphone 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

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.

Connections

Pro-Ject Audio Systems, Vienna, Austria

Out

Right

Left

Right

18V

Make all connections, except the connection to the headphone, whilst the unit 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.
Please turn the volume level to minimum before connecting the headphone.
Minimum impedance of the head phone 30ohms.
Never use any other power supply than the one supplied with the unit.

Connection to the amplifier (recorder)

Connect the TAPE / RECORD OUT RCA/phono sockets from your amplifier to the In RCA/phono sockets of
the headphone amplifier. The Out RCA/phono sockets of the headphone amplifier can be connected to the
input sockets of your recorder.
Alternatively analog sources like CD player or tuner can be reconnected to the In RCA/phono sockets directly.

Connecting a headphone, volume control

Connect the headphones to the ¼“ (6,3mm ) jack socket on the front of the headphone amplifier. Use the
control knob to adjust the level to the required volume.

Headphone replay

Use the input selector of the amplifier to choose the source you wish to hear.

Mains power connection

Connect the low voltage plug from the power supply to the Power 18V

socket before connecting the

power supply to the mains.