Connection To The Amplifier (Recorder); Connecting The Headphones; Headphone Replay; Mains Power Connection - Pro-Ject Audio Systems Head Box II 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 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.

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

Technical specifications Pro-Ject Head Box II

Power output:
Headphone connection: > 30ohms
Signal to noise:
Frequency response:
THD (IMD):
Gain:
Headphone jack:
Power consumption:
Power supply type:
Output voltage:
Dimension W x H x D:
Weight:
2
© Audio Trade GmbH · Pro-Ject Head Box II · Revision 1.4.07/1.4.07
330mW/30ohms, 60mW/300ohms
187dB (100dB - A weighted) at full output
30Hz – 20kHz/-0,05dB (10Hz – 120kHz/-1dB)
0,005% (0,001%)
11dB
3-pole ¼" (6,3mm ∅) phono socket
16V/120mA AC
Mains-fed outboard power supply, suitable for your country's mains supply
16V/500mA AC
103 x 38 x 127mm
600g without power supply