Cartridge settings
The push buttons on the backpanel for each channel are used to set input impedance for your MC cartridge.
To find out which setting is recommended for your cartridge consult the literature accompanying your cartridge.
If in doubt, please consult your dealer.
Examples:
Ortofon Quintet Red/Blue/Bronze/Black
Input impedance >20 ohms -> button in
Ortofon Cadenza Red/Blue/Bronze
Input impedance 50-150 ohms -> button out
Ortofon Cadenza Bronze/Black
Input impedance >10 ohms -> button in
Technical specifications Pro-Ject MC Step Up Box S3
Frequency response 10Hz-55kHz: +-1 dB
Gain at 10-40 Ohm: 21 dB at 1kHz
Gain at 40-150 Ohm: 24 dB at 1kHz
Recommended load for output: 47 kOhm //100pF
Input MC: 1x pair RCA phono sockets
Output: 1x pair RCA phono sockets
Dimensions W x H x D (D with sockets): 206 x 65 x 153 (164) mm
Weight: 940 g
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.
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 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.
