© Pro-Ject Audio Systems · Phono Box ultra 500 · Revision 2018.10.25
3
Gain
Subsonic filter
A switch at the back of the phono amplifier activates and deactivates the subsonic filter.
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.
