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Connectors
Right
Out
In
Make all connections whilst the phono amplifier is disconnected from the power supply.
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
The phono amplifier is supplied with a power supply suitable for your country's mains supply. Check the label
before connecting to ensure compliance with the mains rating in your house. Connect the low voltage plug
from the power supply to the Power 18V
to the mains.
To switch on from standby or to standby
The switch on the left hand side of the front panel turns the unit on or back into standby. The blue LED above
the stand-by switch shows that the unit is switched on.
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.
4
© Audio Trade GmbH · Pro-Ject Tube Box DS · Revision 2012.7.1
18V
No jumper = 60dB
Subsonic
ON
OFF
"
socket of the phono amplifier before connecting the power supply
Left
Out
In
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