Pro-Ject Phono Box S User Manual
INSTRUCTIONS FOR USE
Pro-Ject Phono Box S
Dear music lover,
thank you for purchasing a PRO-JECT AUDIO phono amplifier.
In order to achieve maximum performance and reliability you should study these instructions for use carefully.
!
Warning of a hazard for the user, the unit or possible misuse.
Important notice.
Safety instructions
AC outlet voltages vary from country to country. Before connecting to the mains, make sure that the
voltage in your area meets the voltage requirements printed on the power supply.
The power supply is used to disconnect the unit from the mains. Make sure that the power supply is easily
accessible at all times.
!
Avoid letting liquids enter the device or the power supply. Never place any item containing liquid,
Never handle the device, the power supply while your hands are wet or damp.
such as a flower vase on or near the device. Never spill any liquid on the device or the power supply.
Never place any naked flame sources, such as lighted candles on or near the device. The product shall not
be used in damp or wet locations, next to a bathtub, sink, swimming pool or any other similar conditions.
Settings
Use the dip switches at the bottom of the unit to set input gain, input capacitance and input impedance.
Please set both channels equally.
To find out which type your cartridge is please consult the literature accompanying your cartridge.
The literature for cartridges should also specify the correct input impedance (low-output MC cartridges) and
the correct input capacitance (high-output MC and MM cartridges), into which the cartridge is designed to
work. If in doubt please consult your dealer.
!
To alter settings the unit must be disconnected from the power supply and the amplifier.
Examples of typical settings
Ortofon 2M Red (MM)
input gain 40dB, input capacitance 200pF, input impedance 47kohms
Ortofon X5-MC (High-Output MC)
input gain 43dB, input capacitance 420pF, input impedance 47kohms
Ortofon Rondo Red (Low-Output MC)
input gain 60dB, input capacitance *, input impedance 10ohms.
* Input capacitance is irrelevant for low-output MC cartridges
GAIN
ON
1
2
GAIN
ON
1
2
GAIN
ON
pF
pF
220
1k
10
100
100
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6
5
8
7
4
10
100
3
6
5
4
10
100
1k
1k
7
pF
100
8
pF
100
pF
220
pF
220
2
© Audio Trade GmbH · Pro-Ject Phono Box S · Revision 2013.1.15
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1
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