Technical specifications pro-ject phono box usb v, Potential incorrect use and fault conditions, Service – Pro-Ject Audio Systems Phono Box USB V User Manual

Page 4: Warranty, Copyright, trademarks

Technical specifications Pro-Ject Phono Box USB V

Typical for low output MC cartridges,

typical for MM or high output MC cartridges

Input capacitance/input impedance, MC: 100ohms/120pF

Input capacitance/input impedance, MM: 47kohms/120pF

Gain, MM:

40dB

Output voltage typically:

300mV/1kHz at 3mV (MM input)

Gain, MC:

60dB

Output voltage typically:

300mV/1kHz at 0,3mV (MC input)

Gain, line level input:

11dB

Max. output

9,5Vrms / 1kHz

Noise floor, MM / MC:

94dB (A weighted) / 75dB (A weighted)

THD, MM / MC:

<0,01% / <0,05%

RIAA-equalisation curve accuracy:

20Hz - 20kHz / max. 0,5dB

A/D converter:

Burr Brown PCM2904 16-Bit Delta Sigma

Sampling rates:

32, 44,1 and 48kHz

USB output:

5 pin mini b connector (USB cable supplied)

USB signal:

digital serial data protocol USB 1.1

Operating systems:

Windows XP

, Windows VISTA

, Windows 7

, Windows 8

, Mac OS

Inputs

(Phono-In / Line-In)

1 pair RCA/phono socket

s /

3-pole 3,5mm co-axial jack

Output:

1 pair RCA/phono socket

THD: 0,005%
Noise floor:

96dB

Dynamic range:

93dB

Outboard power supply:

18V/500mA DC, suitable for your country's mains supply

Power consumption:

100mA DC, <1W in standby

Dimensions W x H x D (D with sockets): 103 x 36 x 104 (115)mm
Weight:

580g without power supply

Potential incorrect use and fault conditions

No signal on one or both channels:

No connection between player and phono amplifier or 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

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.

Windows XP

, Windows Vista

, Windows 7

, Windows 8

are trademarks of the Microsoft group of companies.

Mac and Mac OS are trademarks of Apple Inc., registered in the U.S. and other countries.