Crown ma-1202 Manual De Usuario
Operation Manual
MA Series Power Amplifiers
page 6
Figure 3.1 Dimensions
Figure 3.2 Airflow
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.
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.
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
• Output wiring cables
Rack for mounting amplifier (or a stable surface for
stacking)
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.
amplifier, make sure you read and observe
the Important Safety Instructions 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 power switch in the “off” posi-
tion and all level controls turned completely
down (counterclockwise).
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.
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.
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 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.
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.
3 Setup
19 in
48.3 cm
16 in
40.6 cm
3.5 in
8.9 cm
8.9 cm
2.5 in
6.35 cm
SIDE VIEW
LEVEL
LEVEL
ON
OFF
30
27
24
21
18
15
12
9
6
3
0
ENABLE
CH1
CH2
ODEP
30
27
24
21
9
6
3
0
SIGNAL / IOC
18
15
12