SLS™ MA390C Installation Guide
1
Chapter 1
Introduction
This
document
provides
step
‐
by
‐
step
instructions
for
installing
the
SLS
™
MA390C
3
‐
Axis
Speaker
System.
The
MA390C
was
developed
to
reduce
the
time
and
expense
required
when
installing
speakers
in
Dolby
Atmos
®
cinema
environments.
THIS
EQUIPMENT
MUST
BE
INSTALLED
BY
LICENSED
AND
PROFESSIONAL
INSTALLERS.
1.1
Tools Required.
To
install
the
MA390C,
you
need
the
following
tools:
•
M8
Allen
wrench
for
main
yoke
attachment
point
(M10
bolt)
•
Phillips
screwdriver
for
barrier
strip
speaker
wire
inputs
1.2
Spare Parts
You
should
replace
any
defective
components
with
SLS
approved
parts.
Contact
the
factory
directly
at
417
‐
883
‐
4549
to
obtain
approved
replacement
parts.
SLS
is
not
responsible
for
problems
caused
by
using
parts
not
provided
by
SLS
for
the
SLS
supplied
portion
of
the
rigging.
1.3
MA390C Specifications
Following
are
the
MA390C
general
specifications:*
•
Frequency
response:
60
Hz
to
20
kHz
•
Sensitivity:
1
watt
@
1
M:
96
dB
•
Continuous
power
rating:
300
watts
•
Maximum
continuous
rated
SPL
at
1
meter:
121
dB
•
Program
rated
SPL
at
1
meter:
124
dB
•
Recommended
amplifier
power
rating:
600
watts
at
8
ohms
•
Coverage
angle:
90
degrees
conical
•
Driver:
12
‐
inch
low
‐
frequency
with
coaxially
mounted
1.75
‐
inch
high
frequency
•
Size
(including
yoke
positioned
over
input
plate
and
yoke
fasteners):
•
Width:
21.7
inches
(551
millimeters)
•
Height:
20
inches
(508
millimeters)
•
Depth:
16.1
inches
(410
millimeters)
•
Net
weight:
28
pounds
(12.7
kilograms)
*Due
to
product
improvement
research,
SLS
Audio
reserves
the
right
to
make
changes
to
existing
products
without
notice.
Summary of Contents for MA390C
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