Installation Guide

Connections
6. Connections
PowerZone Connect amplier rear panel connections
are illustrated in Diagrams 6a.
6.1 Mains Power Connection
PowerZone Connect DSP ampliers incorporate a power factor
corrected universal power supply and can be used with mains
input voltage from 100V AC to 240V AC, 50/60Hz. Use the
mains cable supplied with the amplier.
PowerZone Connect DSP ampliers have no mains
power switch and are operational as soon as mains power
is connected. Ensure that all signal, GPIO and output
connections are made before connecting the amplier to
mains power.
6.2 Input Connection
All PowerZone Connect amplier models provide four balanced
or unbalanced analog audio inputs and a stereo S/PDIF digital
audio input. Any input channel can be routed to any output
channel. Input routing options can be congured via the
amplier network interface. See Section 5 of this manual.
Analog Inputs
PowerZone Connect analog inputs are of line level format with
a default input sensitivity of +4dBu (full output voltage swing/
sensitivity) in all output modes. Input signal levels up to +24dBu
can be handled without input clipping. Input sensitivity options
can be set via the amplier network interface. See Section 5 of
this manual.
Balanced input connections to the ampliers are made via male
‘Euro Block’ connectors. Connecting cables to the supplied
female input connectors is illustrated in Diagram 6b.
Unbalanced input connections to the ampliers are made via
RCA phono sockets.
Diagram 6a
PowerZone Connect rear panel connections.
Note: 2 output amplier model connection sockets differ only in the
deletion of channel 3 and channel 4 output connectors.
Digital Inputs
PowerZone Connect S/PDIF stereo digital audio input connec-
tions are made via a single RCA Phono socket
Note: An S/PDIF digital audio output socket is also tted. The
S/PDIF output signal by default reects the input to amplier
installation zones A & B and is intended to be used for daisy-
chaining PowerZone Connect ampliers.
Note: 75Ω RCA Phono cables specically intended for digital audio
should always be used for S/PDIF connections. Standard Phono
cables can be used but may not result in optimal performance.
6.3 Output Connections
Output connections from the ampliers are achieved via male
‘Euro Block’ connectors. Ensure that speaker connection
polarity is correct throughout the installation:
In the case of Lo-Z speaker connections, positive (+) amplier
terminals should always be connected to positive speaker
terminals and negative (–) amplier terminals always connected
to negative speaker terminals.
In the case of Hi-Z speaker connections, the two speaker cable
conductors should be connected between the positive (+)
terminal of Output 1 and the negative terminal (-) of Output 2,
and likewise for Outputs 3 and 4.
Output mode options (Lo-Z or Hi-Z) can be congured via the
amplier network interface. See Section 5 of this manual.
Connecting cables to the supplied female output connector is
illustrated in Diagram 6c.