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Operation Manual
CTs Multi-Channel Power Amplifiers
page 6
Power
Data
12
Bridge
34
Bridge
Fault
Thermal
Clip
Signal
Ready
3.1 Unpack Your Amplifier
Please unpack and inspect your amplifier for
any damage that may have occurred during
transit. If damage is found, notify the transpor-
tation company immediately. Only you can ini-
tiate a claim for shipping damage. Crown will
be happy to help as needed. Save the shipping
carton as evidence of damage for the shipper’s
inspection.
We also recommend that you save all packing
materials so you will have them if you ever
need to transport the unit. Never ship the
unit without the factory pack.
YOU WILL NEED (not supplied):
• Input wiring cables
• Output wiring cables
Rack for mounting amplifier (or a stable surface
for stacking)
WARNING: Before you start to set up
your amplifier, make sure you read and
observe the Important Safety Instruc-
tions found at the beginning of this
manual.
3.2 Install Your Amplifier
CAUTION: Before you begin, make sure
your amplifier is disconnected from the
power source, with the power switch in
the “off” position and all level controls
turned completely down (counterclock-
wise).
Use a standard 19-inch (48.3-cm) equipment
rack (EIA RS-310B). See Figure 3.1 for ampli-
fier dimensions.
You may also stack amps without using a
cabinet.
NOTE: When transporting, amplifiers should be
supported at both front and back.
3.3 Ensure Proper Cooling
When using an equipment rack, mount units
directly on top of each other. Close any open
spaces in rack with blank panels. DO NOT
block front, rear or side air vents. The side
walls of the rack should be a minimum of two
inches (5.1 cm) away from the amplifier sides,
and the back of the rack should be a minimum
of four inches (10.2 cm) from the amplifier back
panel.
Figure 3.2 illustrates standard amplifier airflow.
3 Setup
Figure 3.1 Dimensions
Left: CTs 4200 Right: CTs 8200
Figure 3.2 Airflow