Connection To The Amplifier (Recorder); Connecting The Headphones; Headphone Replay; Mains Power Connection - Pro-Ject Audio Systems Head Box S Instructions For Use

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.

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.
Take care to connect the left and right channels correctly. The right channel is usually marked red, the left
channel black or white.
In
Left Right
Pro-Ject Audio Systems, Vienna, Austria

Connecting the headphones

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.
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.

Mains power connection

The headphone amplifier 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 18V

To switch on from standby or to standby

The button on the left hand side will toggle the unit between its fully operational status and standby. The blue LED
on the front panel shows that the unit is powered on.

Technical specifications Pro-Ject Head Box S

Power output:
Headphone connection:
Signal to noise:
Frequency response:
THD (IMD):
Gain:
Headphone jack:
Line-level output:
Outboard power supply:
Power consumption:
Dimensions W x H x D (D with sockets): 103 x 36 x 104 (109)mm
Weight:
2
© Audio Trade GmbH · Pro-Ject Head Box S · Revision 2011.11.15
Out
Left Right 18V
socket before connecting the power supply to the mains.
"
330mW/30ohms, 60mW/300ohms
> 30ohms
95dB (112dB - A weighted) at full output
30Hz – 20kHz/-0,05dB (10Hz – 120kHz/-1dB)
0,003% (0,002%)
11dB
3-pole ¼" (6,3mm ) co-axial jack
1 pair RCA/phono sockets
18V/500mA DC, suitable for your country's mains supply
18V/100mA DC
600g without power supply