Pro-Ject Audio Systems Head Box MK II User manual

INSTRUCTIONS FOR USE

Pro-Ject Head Box MK II

Dear music lover,

thank you for purchasing a PRO-JECT AUDIO Head Box MK II.

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.

Connection to the amplifier

Connect the RCA/Phono sockets marked Out on the Head Box to the RCA/Phono sockets marked Tape In

on your amplifier, and the Tape Out sockets on your amplifier to the In sockets on the Head Box.

Take care to connect the left and right channels correctly. The right channel is usually marked red, the left

channel black or white.

Connecting the headphones

Connect the headphones to the ¼“ (6,3mm ∅) jack socket on the front of the Head Box. Use the control knob

to adjust the level to the required volume.

Please turn the volume level to minimum before connecting the headphone.

Minimum impedance of the head phone 30ohms.

Headphone replay

Use the input selector of the amplifier to choose the source you wish to hear. You may also have to engage

the Tape Monitor button, depending on how your amplifier switches sources to tape.

Mains power connection

The Speed Box is supplied with a power supply suitable for your country's mains supply. Check the label

before connecting to ensure compliance with the mains rating in your house. Connect the low voltage plug

from the power supply to the Power ~16V socket before connecting the power supply to the mains.

Technical specifications PRO-JECT HEAD BOX MK II

Power output 330mW/30ohms, 60mW/300ohms

Headphone connection Min. 30ohms

THD (IMD) 0,005% (0,001%)

Gain 11dB

Signal to noise 94dB ref. full output (112dB - A weighted ref. full output)

Frequency response 30Hz – 20kHz/-0,05dB (10Hz – 120kHz/-1dB)

Headphone jack 3-pole ¼“ (6,3mm ∅) phono jack

Outboard power supply 16V/200mA AC, suitable for your country's mains supply

Power consumption 16V/120mA AC

Dimensions (H x W x D) 38 x 105 x 120mm

Weight without power supply 600g

Potential incorrect use and fault conditions

No signal on one or both channels:

No connection between headphone and Head Box ore amplifier. This could be due

to a faulty plug, broken wire or solder joint or simply loose plug/socket connection.

Headphone does not work:

Headphone volume control is at minimum.

Amplifier Tape-Monitor circuit is not activated.

Service

Should you encounter a problem which you are not able to alleviate or identify despite the above information,

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

The manufacturer accepts no responsibility for damage caused by not adhering to these instructions

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.

PRO-JECT is a Registered Trademark of H. Lichtenegger.

This guide was produced by: ATR-Audio Trade GmbH

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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