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3 Setup
page 6
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 transportation company
immediately. Only you can initiate a claim for ship-
ping 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 mate-
rials so you will have them if you ever need to trans-
port 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 Instructions at the
beginning of this manual.
9
6
3
19 in
48.3 cm
SIDE VIEW
16 in
40.6 cm
Figure 3.1 Dimensions
3.2 Install Your Amplifier
CAUTION: Before you begin, make sure your
amplifier is disconnected from the power
source, with power switch in the "off" posi-
tion and all level controls turned completely
down (counterclockwise).
Use a standard 19-inch (48.3-cm) equipment rack.
See Figure 3.1 for amplifier dimensions.
You may also stack amps without using a cabinet.
NOTE: When transporting, amplifiers should be
supported at both front and back.
LEVEL
LEVEL
15
15
12
18
12
18
ODEP
21
9
21
24
6
24
SIGNAL / IOC
27
27
3
0
30
CH1
CH2
0
30
ENABLE
6.35 cm
MA Series Power Amplifiers
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 or
rear air vents. The side walls of the rack should be a
minimum of 2 inches (5.1 cm) away from the ampli-
fier sides, and the back of the rack should be a min-
imum of 4 inches (10.2 cm) from the amplifier back
panel.
Figure 3.2 illustrates standard amplifier airflow.
ON
OFF
3.5 in
8.9 cm
2.5 in
Figure 3.2 Airflow
Operation Manual
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