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7
Nº53 Power Amplifier
If this case occurs, consider installing a dedicated AC circuit for the
home theater system. Contact a licensed electrician for assistance. If
more than one AC circuit is providing power to the system, contact
a licensed electrician to ensure that all components are operating
with the same solid, low-impedance ground reference.
Caution! Building regulations and electrical codes differ from location to
location, making it impossible to anticipate the requirements of
amplifier high-current AC circuits, such as those that the N
o
53 is
capable of using. Contact a local, licensed electrician for further
information.
Operating States
The Nº53 Reference power amplifier is designed for continuous
operation and has four operating states:
• Off – AC power is disconnected using the rear panel Power
switch or by removing the power cord from the rear panel.
• Power Save – AC power is connected to the low-voltage power
supply, the communication circuits, and the control circuits. All
nonaudio functions, such as ML Net, are active.
• Standby – AC power is fully connected to the amplifier but the
outputs are muted.
• On – the Nº53 is fully powered and all outputs are active.
The Nº53 should be unplugged during lightning storms and
extended periods of nonuse as a precaution against potentially
damaging power surges through the line.
Caution! BEFORE moving the N
o
53 Reference power amplifier, make sure
it is powered off with the rear panel Power switch. Then make
sure the power cord is disconnected from the rear panel
connector and the electrical outlet.
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