JBL P941BB, P81BB User Manual
JBL PERFORMANCE™SERIES
P81BB
P941BB
BACK BOXES FOR P81
AND P941 LOUDSPEAKERS
INSTALLATION INSTRUCTIONS
81BB/P941BB
P
BACK BOXES FOR P81 AND P941
OUDSPEAKERS
L
2 Documentation Conventions
3 Important Safety Instructions
4 About the Back Box
4 Installation Instructions
P81BB/P941BB Back Box Outer Dimensions
7
7 Obtaining Service
OCUMENTATION
D
ONVENTIONS
C
This document contains general
nstallation instructions for the JBL
i
erformance
P
P941BB Back Boxes. It is important to
read this document before attempting
to use this product. Pay particular
ttention to safety instructions.
a
WARNING
Calls attention to a procedure, practice,
condition or the like that, if not correctly
erformed or adhered to, could result
p
in injury or death.
CAUTION
alls attention to a procedure, practice,
C
condition or the like that, if not correctly
performed or adhered to, could result
in damage to, or destruction of, part or
all of the product.
NOTE
Calls attention to information that is
essential to highlight.
™
eries P81BB and
S
®
2
®
MPORTANT SAFETY
I
NSTRUCTIONS
I
Read before starting installation:
• Product contains fiberglass wool.
• Disturbing the insulation in this
product during installation, maintenance, or repair will expose you
o fiberglass wool. Breathing this
t
may cause lung cancer. Fiberglass wool is known to the state
of California to cause cancer.
• Fiberglass wool may also cause
respiratory, skin and eye irritation.
• To reduce exposure to this substance or for further information,
consult material safety data
sheets available from the address
shown below, or contact your
supervisor.
JBL Consumer Products
250 Crossways Park Drive
Woodbury, New York 11797 USA
WARNING
This enclosure is not listed for use
in air-handling plenums. Installation
of this enclosure in walls or ceilings of fire-barrier-rated construc-
ion requires that construction
t
ethods shall be employed in order
m
o comply with local building or life
t
safety codes. Consult your local
authority having jurisdiction (building, electrical or fire safety inspector) to determine what acceptable
construction methods will be
required.
WARNING
The P81BB In-Wall Back Box
weighs 19 lb (8.6kg) empty, and
32 lb (14.52kg) with a P81 speaker
system installed in it. The P941BB
In-Wall Back Box weighs 19 lb
(8.6kg) empty, and 36 lb (16.3kg)
with a P941 speaker system
installed in it.
ANSI/EIA 636 Recommended
Loudspeaker Safety Practices,
Section 16.3, recommends that the
mounting system used to install the
In-Wall Back Box in walls or ceil-
ings should support the weight of
the product plus at least four times
the weight of the product being
installed. That means, for a P941
installed in an In-Wall Back Box,
he mounting system should be
t
ble to support at least 163 lb
a
74kg).
(
It is strongly recommended that the
installer consult a construction professional or a professional engineer to determine the appropriate
mounting methods to be used for
each specific installation location.
3
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