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© Pro-Ject Audio Systems · Pro-Ject Tube Box S2 · Revision 2017.12.5
3
Examples of typical settings
Ortofon 2M Red (MM)
input capacitance 147pF, input impedance 47kohms
3-ON
rest- OFF
Ortofon X5-MC (High-Output MC)
input capacitance 367pF, input impedance 47kohms
1,3-ON
rest- OFF
Ortofon Rondo Red (Low-Output MC)
input impedance 10ohms, Input capacitance is irrelevant for low-output MC cartridges
8-ON
rest- OFF
Connectors
Make all connections whilst the phono amplifier is disconnected from the power supply.
Take care to connect the left and right channels correctly. The right channel is usually marked red, the
left channel black or white.
Do not connect the phono amplifiers output to a phono input (sometimes labelled gram, disc or RIAA)
on the amplifier.
Never use any other power supply than the one supplied with the unit.
Connecting the record player
Connect the tonearm signal lead to the In of the phono amplifier. The earthing wire may be connected to the
screw terminal if you encounter hum problems when using the record player.
Connection to the amplifier
Connect the Out of the phono amplifier to a line input (such as AUX, CD, Tuner, Tape or Video) on your
amplifier.
Mains power connection
Connect the low voltage plug from the power supply to the Power 18V DC socket of the phono amplifier before
connecting the power supply to the mains.
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