Connection To Mains - Unison Research REFERENCE PRE Owner's Manual

The input / output connectors are placed on the rear of the
panel.
IMPORTANT
Please make sure that all the sources, preamplifier and power
amplifier are switched off before done every input or output
connection.
For all inputs and outputs is possible used unbalanced
connectors.
For two of line input are available balanced connection instead
of the unbalanced, is necessary done the selection with the
dedicated switch place on the rear panel.
The unbalanced and balanced output, must be used alternative,
we suggest use balanced connections only in the case the
connecting cables are longer than 5 metres. The default provide
the use of the unbalalnced output, for modify the selection
please follow the instruction indicate at the point "7".
On the rear panel there are two connectors that allow the
connection with the power amplifier REFERENCE, with
special cable supply, in the case you done those connections the
preamplifier switch on automatically the amplifiers.
The phono stages have selectable input impedance, so can be
use with all types of cartridge, the impedance selection and the
gain is done by micro-switches as is indicate on the printing.
The turntable earth connection must be connected to golden
binding post with GDN placed near the phono inputs.

4 - CONNECTION TO MAINS

Before connecting the main cable and switching on, make sure
that your local power supply voltage correspond to the value
shown on the rear panel of the unit.
5