© Pro-Ject Audio Systems · Pro-Ject Phono Box S3 B · Revision 2021.10.27
4
Technical specifications Pro-Ject Phono Box S3 B
Input impedance:
10, 50, 100, 1k, 47k ohms
Input capacitance:
50, 150, 300, 400 pF
Gain (+ 6dB using XLR Out sockets):
40, 45, 60, 65 dB
Signal / Noise ratio MM (40dB):
103dBV, 110dBV - 'A' weighted
Signal / Noise ratio MC (60dB):
85dBV, 90dBV - 'A' weighted
THD at 1 kHz:
<0,001% MM, < 0,005% MC
THD (20Hz-20kHz):
<0,008% MM, < 0,01% MC
RIAA-equalization curve accuracy:
<0,3dB / 20Hz - 20kHz
Subsonic filter:
at 20Hz with 18dB/octave
Input:
1x 5-pin mini XLR / 1x pair RCA phono sockets
Line-level output:
1x pair RCA, 1x pair XLR
Power supply DC:
18V/500mA
Power consumption:
18V/170mA DC, <0.5 W in standby
Dimensions:
206 x 55 x 153 (164 with sockets) mm (W x H x D)
Weight:
930g 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, please contact your dealer for
further advice. Only if the problem cannot be resolved there, the unit should 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 changes 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
©
2021. 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.