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Bose PANARAY MA12 Guia De Instalacion página 3

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Installation of MA12 Modular Line Array Loudspeakers.......continues on p11
For Permanent Installation
WARNING:
Permanent installations involve the attachment of the loudspeakers to brackets or other mounting surfaces
for long-term or seasonal use. Such mountings, frequently in overhead locations, involve risk of personal injury if either the
mounting system or the loudspeaker attachment fails.
CAUTION:
Use only graded hardware. Fasteners should be metric Grade 8.8 minimum and should be tightened
using torque not to exceed 50 inch-pounds (5.6 Newton-meters). Overtightening the fastener could result in irreparable
damage to the cabinet and an unsafe assembly.
Do not re-tighten these fasteners unless they are visibly loose. Characteristics of the cabinet may cause some relaxation of
tightening torque over time, which is normal. Lockwashers or a thread locking compound intended for hand disassembly
®
(such as Loctite
242) should be used for a vibration resistant assembly.
CAUTION:
The fastener should be long enough to engage no fewer than 8 and no more than 12 threads of the
attachment point. A fastener should protrude by 8 to 10 mm, with 10 mm preferred (
beyond the assembled mounting parts to provide sufficient threaded attachment to the loudspeaker. Using a fastener that is
too long may result in irreparable damage to the cabinet and, when overtightened, can create a potentially unsafe assembly.
Using a fastener that is too short provides inadequate holding power and may strip the mounting threads, resulting in an
unsafe assembly. Confirm that at least 8 full threads are engaged in your assembly.
CAUTION:
Do not attempt to alter the threaded attachment points. While SAE
similar in appearance to the metric M6, they are not interchangeable. Do not attempt to re-thread the attachment points to
accommodate any other thread size or type. Doing this will render the installation unsafe and will permanently damage the
loudspeaker. You may substitute
®
Bose
offers permanent mounting brackets for the safe use of these loudspeakers in such
installations. However, we realize some installations may call for use of other, custom-
designed mounting solutions or non-Bose mounting products. While Bose Corporation
cannot be held responsible for the proper design and use of non-Bose mounting systems,
we offer the following guidelines for the permanent installation of any PANARAY
modular line array loudspeaker:
• Obtain your mounting system from a reputable manufacturer, and make sure the system
is specifically designed for the loudspeaker of choice and your intended use.
• Before using a custom-designed and fabricated mounting system, have a licensed
professional engineer review the design and fabrication for structural integrity and safety
in the intended application.
• Notice that all threaded attachment points on the rear of each loudspeaker cabinet have
a metric M6 x 1 x 15 mm thread with 10 usable threads.
• Use a safety cable, separately attached to the cabinet at a point not in common with
the load bearing attachment points of the bracket to the loudspeaker.
• If you are unfamiliar with the proper design, use, and purpose of a safety cable, consult a
licensed professional engineer, a rigging professional, or a theatrical lighting trades
professional.
1
/
-inch washers and lockwashers for the 6 mm ones.
4
5
/
to
3
/
inch, with
3
/
inch preferred)
16
8
8
1
/
- 20 UNC fasteners are very
4
®
MA12
3

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