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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.
Subsonic Filter
Subsonic
Subsonic
ON
OFF
Settings
Use the dip switches at the back of the unit and the rotary control at the front to set input gain, input
capacitance and input impedance. Please set both channels equally.
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 147pF, input impedance 47kohms
Ortofon X1-MC (high-output MC) - input gain 50dB, input capacitance 367pF, input impedance 47kohms
Ortofon Rondo Red (low-output MC) - input gain 60dB, input capacitance *, input impedance 10ohms
Input gain
60dB
2
© Audio Trade GmbH · Pro-Ject Tube Box DS · Revision 2012.7.1
Subsonic
ON OFF
50dB
40dB
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