Instructions for Use

© Pro-Ject Audio Systems · Pro-Ject Phono Box RS · Revision 2014.10.27
6
Technical specifications Pro-Ject Phono Box RS
A
Typical for low output MC cartridges,
B
typical for MM or high output MC cartridges
* Input capacitance is irrelevant for low-output MC cartridges
Input impedance, variable: stepless 10ohms - 1.200ohms
A
Input capacitance/impedance:, variable: 100pF, 200pF, 300pF, 420pF and 520pF */47kohms
B
Input impedance, fixed: 10ohms
A
Input gain (+ 6dB using XLR sockets): 40dB and 50dB
B
/ 60dB
A
Noise floor: 91dB (A weighted)
THD: 0,019%
De-emphasis curves accuracy: 20Hz - 20kHz / max. 0,3dB
Subsonic filter: at 20Hz with 12dB/octave
Input: 1 pair RCA/phono sockets, 1 pair XLR sockets
Line-level output: 1 pair RCA/phono sockets, 1 pair XLR sockets.
Wiring XLR sockets: 1 ground, 2 “hot” and 3 “cold”
Outboard power supply: ±18V/250mA DC, suitable for your country's mains supply
Power consumption: 150mA DC, <1W in standby
Dimensions W x H x D (D with sockets): 206 x 72 x 200 (210)mm
Weight: 2.000g 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:
Input gain 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
Safety instructions
!
Copyright
PRO-JECT is a Registered Trademark of H. Lichtenegger.
This guide was produced by: Pro-Ject Audio Systems
Copyright
©
2014. 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.