© Audio Trade GmbH · Pro-Ject Phono Box II USB · Revision 15.10.09/1.11.09
4
Mains power connection
The phono 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 of the phono amplifier before connecting the power supply
to the mains.
Technical specifications Pro-Ject Phono Box II USB
Input impedance, MM / MC:
47kohms/120pF / 100ohms/120pF
Gain, MM / MC:
40dB / 60dB
Output voltage typically, MM / MC:
300mV at 1kHz - 3mV (MM Input) / 0,3mV (MC input)
Max. output:
9,5V (1kHz)
Noise floor, MM / MC:
86dB (94dB - A weighted) / 68dB (75dB - A weighted)
THD, MM / MC:
0,01 / 0,05%
RIAA-equalisation curve accuracy:
20Hz - 20kHz / max. 0,5dB
A/D converter:
16-Bit Delta Sigma
Sampling Rates:
32, 44,1 and 48kHz
USB-output: 5-pole
mini-B
jack
USB-signal:
digital serial data protocol USB 1.1
Operating systems:
Windows
™
und Mac OS
™
Input:
1 pair RCA/Phono sockets
Line-level output:
1 pair RCA/Phono sockets
Outboard power supply:
16V/200mA AC, suitable for your country's mains supply
Power consumption:
16V/100mA AC
Dimension W x H x D:
103 x 38 x 115mm
Weight:
570g without power supply
Potential incorrect use and fault conditions
No signal on one or both channels:
No connection between player and phono amplifier ore amplifier. This could be due to a faulty plug,
broken wire or solder joint or simply loose plug/socket connection.
Strong hum:
No earth connection from cartridge or arm or arm cable to phono amplifier, or earth loop.
Output too quiet or too loud, or distorted:
MM / MC mode incorrectly set - input overloading or insufficiently amplified.
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: Audio Trade GmbH
Copyright © 2008. All rights reserved.
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.
