Instruction/ maintenance manual of the product LT 4402 Bose
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Bose ® Panaray ® LT Series III Loudspeakers Reference Guide.
2 Declaration of Conformity Declaration of Conformity We, the of ferer: Bose Corporation, The Mountain, Framingham, MA 01701-9168 USA acknowledge our sole responsibility , that the product: Kind of eq.
3 Contents Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Mounting Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 Safety Information Safety Information Please read this safety information befor e installing, connecting, or operating the Bose ® Panaray ® L T loudspeakers. Read the instructions. Read and keep all safety and operating instructions for future r eference, including this manual.
5 Safety Information Mounting Guidelines W ARNING: The Panaray ® L T 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.
6 How to Use This Reference Guide The refer ence guide is divided into several sections. Below is a listing of each section and a brief description of what is contained in each section: Mechanical Specifications — This section gives mechanical drawings, dimensions, weights, center of gravity , insert locations, and load ratings for each cabinet.
7 Mechanical Specifications Materials and Construction: The Panaray ® LT 3202-III speaker is a mid/high-frequency loud- speaker designed for extremely long thr ow distances. The L T 3202-III speaker has the narrowest beamwidth characteristics of all the L T cabinets (30˚ H x 20˚ V).
8 Mechanical Specifications LT 4402 ® -III Loudspeaker Materials and Construction: The Panaray ® L T 4402-III speaker is a mid/high-frequency loud- speaker designed for medium-to-long throw distances. The L T 4402-III speaker features a tightly controlled 40 ˚ H x 40 ˚ V beam- width.
9 Mechanical Specifications LT 9402™-III Loudspeaker Materials and Construction: The Panaray ® L T 9402-III speaker is a mid/high-frequency loud- speaker designed for medium-to-long throw distances. The L T 9402-III speaker features a tightly contr olled 90˚H x 40˚V beam- width.
10 Mechanical Specifications LT 9702 ® - III Loudspeaker Materials and Construction: The Panaray ® L T 9702-III speaker is a mid/high-fr equency loudspeaker designed for shorter throw distances. The L T 9702-III speaker offers a 90˚H x 70˚V pattern which is the broadest beamwidth of all the L T loudspeakers.
11 Mechanical Specifications LT MB24-III Modular Bass Loudspeaker Load Limits: The L T MB24 modular bass loudspeaker has a working load limit (WLL) of 520 lb (236 kg). Hardwar e: • Use only graded har dware. • Fasteners should be SAE Grade 5 or ASTM designation A354, Grade BC minimum.
12 Acoustical Specifications and Wiring Recommended W ire Gauges The loudspeakers should be connected to the amplifier outputs with heavy-gauge wire. T o minimize power loss, lar ger diameter wire should be used for longer lengths. The following chart can be used as a guide.
13 Acoustical Specifications and W iring To configure your L T 9702 ® -III, L T 9402 ™ -III, or L T 4402 ® -III loudspeaker: 1. T urn off amplifier power and disconnect the loudspeaker input connection. Remove the rear connector plate. 2. Remove connector from the passive position.
14 Acoustical Specifications and W iring To reconfigure your L T 3202 ® -III loudspeaker (only): 1. T urn off amplifier power and disconnect the loudspeaker input connection. Remove the rear panel. 2. Pull out the connector from the passive position.
15 Acoustical Specifications and W iring To reconfigure your L T MB24-III modular bass loudspeaker: 1. T urn off amplifier power and disconnect the loudspeaker input connection. Remove the rear panel. 2. Pull out the connector from the passive 3. Insert in the bi-amped position.
16 Acoustical Specifications and W iring LT 3202 ® -III Loudspeaker Product Description The Bose ® Panaray ® L T 3202 ® -III loudspeaker is a mid/high-frequency loudspeaker designed for long throw distances. The L T 3202-III loudspeaker has the narrowest coverage character - istics of all the L T cabinets.
17 Acoustical Specifications and W iring LT 3202 ® -III Loudspeaker Configurations LT 3202-III Loudspeaker Active Equalization Curves Bi-amped Dual Mid-Range Passive Bi-amped.
18 Acoustical Specifications and W iring LT 4402 ® -III Loudspeaker Product Description The Bose ® Panaray ® L T 4402 ® -III loudspeaker is a mid/high-frequency device designed for medium to long throw distances.
19 Acoustical Specifications and W iring LT 4402 ® -III Loudspeaker Configurations LT 4402-III Loudspeaker Active Equalization Curves Bi-amped Passive.
20 Acoustical Specifications and W iring LT 9402™-III Loudspeaker Product Description The Bose ® Panaray ® L T 9402™-III loudspeaker is a mid/high-frequency device designed for medium throw distances.
21 Acoustical Specifications and W iring LT 9402™-III Loudspeaker Configurations LT 9402-III Loudspeaker Active Equalization Curves Passive Bi-amped.
22 Acoustical Specifications and W iring LT 9702 ® -III Loudspeaker Product Description The Bose ® Panaray ® L T 9702 ® -III loudspeaker is a mid/high-frequency device designed for shorter throw distances.
23 Acoustical Specifications and W iring LT 9702 ® -III Loudspeaker Configurations LT 9702-III Loudspeaker Active Equalization Curves Bi-amped Passive.
24 Acoustical Specifications and W iring LT MB24 Loudspeaker Product Description The Panaray ® L T MB24-III modular bass loudspeaker is a compact low-fr equency loud- speaker designed exclusively for use with the Panaray L T mid/high-frequency loudspeaker family .
25 Acoustical Specifications and W iring LT MB24-III Loudspeaker Configurations LT MB24-III Loudspeaker Active Equalization Curve Discrete Parallel.
26 Active Equalization W ARNING: All Panaray ¤ LT Series III loudspeakers require active equalization. Do not operate the loudspeakers without the proper active equalization for the particular loudspeaker and operating configuration. Failure to do so may result in permanent damage to the loudspeaker .
27 Service Information This section contains information on servicing Panaray ® LT cabinets. •O r dering information for r eplacement parts • Painting information • Replacement instructions for transducers or diaphragms • Drawings of each cabinet type Note: Service should only be performed by a qualified audio professional.
28 Service Information Painting Information The Panaray ® LT 3202 ® -III, 4402 ® -III, 9402 ™ -III, 9702 ® -III and MB24-III loudspeaker cabinets can be painted. When painting an L T loudspeaker , it is important that no paint is applied to the transducers or connector panel.
29 Service Information To Replace the t1.4hp High-frequency Compression Driver in the Panaray ® LT 3202 ® -III, L T 4402 ® -III, L T 9402 TM -III or L T 9702 ® -III Loudspeakers CAUTION: The rear of the Panaray L T loudspeakers can become extremely HOT during normal use.
30 Service Information To Replace the t1.4hp High-frequency Compression Driver Diaphragm To remove the compression driver fr om the loudspeaker cabinet: 1. Select, a clean, well lit work area that is fr ee of magnetic materials that might be attracted to the magnet in the com- pression driver .
31 Service Information 11. Slowly and gently rotate the diaphragm assembly so that the coil is worked into the gap in the fr ont of the compres- sion driver , is centered in the gap, and the diaphragm assembly r ests smoothly against the front plate of the compr es- sion driver .
32 Service Information To Replace the V -2 Mid-frequency Driver in the Panaray ® L T 3202 ® -III CAUTION: The rear of the Panaray L T loudspeakers can become extremely HOT during normal use. Do not attempt to service the loudspeakers until they have cooled to room temperature.
33 Service Information To Replace the V -2 Mid-frequency Driver in the Panaray ® L T 4402 ® -III, LT 9402 TM -III or L T 9702 ® -III Loudspeakers 1. T urn off the amplifier power . 2. Disconnect the loudspeaker input connection(s). 3. The L T 4402-III, L T 9402-III and L T 9702-III use two V2 drivers.
34 Service Information To Replace the 12" W oofer in the Panaray L T MB24-III Modular Bass Loud- speaker 1. T urn off amplifier power 2. Disconnect the loudspeaker input connection(s) 3. Remove the 22 screws securing the grill to the enclosur e.
35 Service Information Driver and Electronics Assembly LT 3202 ® - III Loudspeaker 1 Logo, Panaray L T 9 Disk, Align, Compression Driver 17 Washer 2 Kit, Grille Screw , T A 4x15 (14 screws per kit) 1.
36 Service Information LT 4402 ® -III Loudspeaker 1 Grille Assembly , includes: scr ews, tape, logo, fastener and spring 9 Screw , TM 6x30 17 Manifold, V2 2 Gasket, Grille 10 Compression Driver 18 Ga.
37 Service Information LT 9402 TM -III Loudspeaker 1 Kit, Grille Screw , T A 4x15 (14 screws per kit) 9 Disk, Alignment, Compression Driver 17 Scr ew , TM 4x15 2 Logo, Panaray L T 10 Screw , KM 4x12 1.
38 Service Information LT 9702 ® -III Loudspeaker 1 Grille Assembly , includes: scr ews, tape, logo, fastener and spring 10 Screw , KM 4x12 19 Gasket, Input Manifold 2 Kit, Grille Screw , T A 4x15 (1.
39 Service Information LT MB24-III Loudspeaker 1 Gasket, Grille, MB24 Bass Module 5 Gasket, Input Panel 2 Grille Assembly , includes: scr ews, logo, tape, fastener and spring 6 Input Panel Kit 3 Grill.
©2004 Bose Corporation, the Mountain, Framingham, MA 01701-9168 USA 269724 AM Rev .00 cmm-040235.
An important point after buying a device Bose LT 4402 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bose LT 4402 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bose LT 4402 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bose LT 4402 you will learn all the available features of the product, as well as information on its operation. The information that you get Bose LT 4402 will certainly help you make a decision on the purchase.
If you already are a holder of Bose LT 4402, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bose LT 4402.
However, one of the most important roles played by the user manual is to help in solving problems with Bose LT 4402. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bose LT 4402 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
