Potential incorrect use and fault conditions
No signal on one or both channels:
No connection between headphone and headphone amplifier or 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.
Technical specifications Pro-Ject Head Box DS2 B
Power output:
Headphone connection:
Signal to noise:
Frequency response:
THD:
Gain for balanced input:
Gain for unbalanced input:
Headphone jack:
Line-level input:
Bypass output:
Trigger output/input:
Outboard power supply:
Power consumption:
Dimensions W x H x D with sockets:
Weight:
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.
Copyright, trademarks
Pro-Ject Audio Systems is a Registered Trademark of
H. Lichtenegger.
This guide was produced by: Pro-Ject Audio Systems
Copyright
©
2017. All rights reserved.
4
© Pro-Ject Audio Systems · Pro-Ject Head Box DS2 B · Revision 2017.4.6
250mW/8ohms, 550mW/33ohms, 290mW/300ohms
>8ohms
98dB (A weighted) at full output
20Hz - 20kHz/- + 0,2dB
0,02%
6, 9, 15, 18 dB without load
0, 3, 9, 12 dB without load
Unbalanced: 3-pole ¼" (6,3mm ∅) co-axial jack
Balanced: 4pin XLR female
1 pair RCA/phono sockets, 1 pair XLR
1 pair RCA/phono sockets, 1 pair XLR
12V (2,5mm jack)
18V/1A DC, suitable for your country's mains supply
<1W in standby
Aluminium 206 x 71 x 218mm
Wood 240 x 72 x 218mm
Aluminium1461g, Wood 1940g (without power supply)
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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