Bose LT 9402 WR Instrukcja obsługi - Strona 2

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Mounting LT and MB Series Loudspeakers

Mounting Guidelines

WARNING: The LT and MB Series loudspeakers must be attached to brackets or other mounting surfaces for

permanent or seasonal use. Such mountings, typically in overhead locations, involve risk of personal injury if either

the mounting system or the loudspeaker attachment fails. Installation of the mounting system must be performed in

accordance with all applicable building codes including local codes. Consult the local authority having jurisdiction

before installing this product.

The LT loudspeaker installation requires the use of either Bose

cannot be held responsible for the proper design and use of non-Bose mounting systems, we offer the following informa-

tion and guidelines for the permanent installation of your LT loudspeakers:

• Obtain your mounting system from a reputable manufacturer. Select a system design that works for your

loudspeaker of choice and its intended use.

• Before using a custom-designed mounting system, have a licensed professional engineer review the design and

fabrication for structural integrity and safety in the intended application.

• The threaded attachment points on the top, bottom, and sides of each loudspeaker have an SAE

at least 18 usable threads.

• Lock washers or a locking compound intended for hand disassembly (such as Loctite 242) should be used for a

vibration resistant assembly.

• Use a safety cable, separately attached to the cabinet, at a point not in common with the load bearing attachment

points of the mounting system to the loudspeaker. This is recommended even if not required by local regulation.

If you are unfamiliar with the proper design, use, and purpose of a safety cable, consult a licensed professional

engineer or a rigging professional.

• Loudspeakers should not be hung using the handles as hang points.

• Additional loudspeakers may be suspended below the LT loudspeaker provided that:

•

It employs all 8 threaded-insert hang points on the top and bottom to fly and suspend the loudspeakers.

•

The total weight of suspended loudspeakers and the LT loudspeaker does not exceed the working load limit

(WLL) listed below:

LT 3202

WR Loudspeaker = 395 lb (179 kg) LT 6400 Loudspeaker = 420 lb (190 kg)

LT 4402

WR Loudspeaker = 299 lb (135 kg) LT 9400 Loudspeaker = 420 lb (190 kg)

LT 9402

WR Loudspeaker = 261 lb (118 kg) LT 6403 Loudspeaker = 454 lb (205 kg)

LT 9702

WR Loudspeaker = 381 lb (173 kg) LT 9403 Loudspeaker = 454 lb (205 kg)

CAUTION: Use only graded hardware. Fasteners should be SAE Grade 5 or ASTM designation A354, Grade BC

minimum. Unmarked machine fasteners should not be used for mounting system assembly, as there is no way to

determine their physical properties. Do not use an M10 fastener; although it is very similar to an SAE

are not interchangeable. M10 washers may be used in place of

CAUTION: The fasteners should be tightened using torque not to exceed 50 pounds/inch (5.6 Newton-

meters). Over-tightening the fastener could result in irreparable damage to the cabinet and create an unsafe

assembly.

CAUTION: The fastener should be long enough to engage no fewer than 16 threads of the attachment point.

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 16 full threads are engaged in your assembly.

CAUTION: Do not attempt to alter the threaded attachment points. Do not attempt to re-thread the attachment

points to accommodate any other thread size or type; doing so will compromise the safety of the installation while

permanently damaging the loudspeaker.

or non-Bose mounting products. While Bose Corporation

MB12 WR Loudspeaker = 350 lb (158 kg)

MB24 WR Loudspeaker = 520 lb (236 kg)

MB12 Loudspeaker = 350 lb (158 kg)

MB24 Loudspeaker = 520 lb (236 kg)

'' washers.

-16" thread with

-16, they