Bose® Panaray® LT Series III Loudspeakers Reference Guide
Declaration of Conformity Declaration of Conformity We, the offerer: Bose Corporation, The Mountain, Framingham, MA 01701-9168 USA acknowledge our sole responsibility, that the product: Kind of equipment: Type designation: Loudspeaker Panaray® LT 3202® III Loudspeaker System Panaray LT 4402® III Loudspeaker System Panaray LT 9402TM III Loudspeaker System Panaray LT 9702® III Loudspeaker System Panaray LT MB24 III Modular Bass Loudspeaker System in accordance with EMC Directive 89/336/EEC and Article 10(1
Contents Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mounting Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 5 How to Use This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Information Safety Information Please read this safety information before installing, connecting, or operating the Bose® Panaray® LT loudspeakers. Read the instructions. Read and keep all safety and operating instructions for future reference, including this manual. Follow cautions. For your safety, follow all cautions and warnings in this manual and on the units. Protect cables. Always route cables to avoid pinching or cutting by heavy or sharp objects. Follow the mounting guidelines.
Safety Information Mounting Guidelines WARNING: The Panaray® LT 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 before installing this product.
How to Use This Reference Guide The reference 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. This is intended to provide the information necessary for a qualified installer to suspend or mount the loudspeakers.
Mechanical Specifications LT 3202®-III Loudspeaker Materials and Construction: The Panaray® LT 3202-III speaker is a mid/high-frequency loudspeaker designed for extremely long throw distances. The LT 3202-III speaker has the narrowest beamwidth characteristics of all the LT cabinets (30˚ H x 20˚ V). The LT 3202-III speaker is built with 10-ply marine-grade Baltic birch wood.
Mechanical Specifications ® LT 4402 -III Loudspeaker Materials and Construction: The Panaray® LT 4402-III speaker is a mid/high-frequency loudspeaker designed for medium-to-long throw distances. The LT 4402-III speaker features a tightly controlled 40˚H x 40˚V beamwidth. The LT 4402-III speaker is built with 10-ply marine-grade Baltic birch wood. Sixteen threaded stainless steel hang points (4 top, 4 bottom, and 4 each side) allow for easy rigging with industry-standard hardware.
Mechanical Specifications LT 9402™-III Loudspeaker Materials and Construction: The Panaray® LT 9402-III speaker is a mid/high-frequency loudspeaker designed for medium-to-long throw distances. The LT 9402-III speaker features a tightly controlled 90˚H x 40˚V beamwidth. The LT 9402-III speaker is built with 10-ply marine-grade Baltic birch wood. Sixteen threaded stainless steel hang points (4 top, 4 bottom, and 4 each side) allow for easy rigging with industrystandard hardware.
Mechanical Specifications LT 9702®-III Loudspeaker Materials and Construction: ® The Panaray LT 9702-III speaker is a mid/high-frequency loudspeaker designed for shorter throw distances. The LT 9702-III speaker offers a 90˚H x 70˚V pattern which is the broadest beamwidth of all the LT loudspeakers. The LT 9702-III speaker is built with 10-ply marine-grade Baltic birch wood.
Mechanical Specifications LT MB24-III Modular Bass Loudspeaker Materials and Construction: The Panaray® LT MB24-III speaker is a compact, low-frequency loudspeaker designed exclusively for use with the Panaray LT mid/high loudspeaker family. The LT MB24-III speaker is built with 10-ply marine-grade Baltic birch wood. Sixteen threaded stainless steel hang points (4 top, 4 bottom and 4 each side) allow for easy rigging with industrystandard components.
Acoustical Specifications and Wiring Recommended Wire Gauges The loudspeakers should be connected to the amplifier outputs with heavy-gauge wire. To minimize power loss, larger diameter wire should be used for longer lengths. The following chart can be used as a guide. Length of Wire Wire Gauge 25 feet 16 40 feet 14 60 feet 12 100 feet 10 150 feet 8 Note: All wiring shall conform to applicable local and/or national electrical codes.
Acoustical Specifications and Wiring To configure your LT 9702®-III, LT 9402™-III, or LT 4402®-III loudspeaker: 1. Turn off amplifier power and disconnect the loudspeaker input connection. Remove the rear connector plate. 2. Remove connector from the passive position. 3. Insert in the bi-amped position.
Acoustical Specifications and Wiring To reconfigure your LT 3202®-III loudspeaker (only): 14 1. Turn off amplifier power and disconnect the loudspeaker input connection. Remove the rear panel. 2. Pull out the connector from the passive position. 3. Insert in the bi-amped position. 4. Or insert in the bi-amped dual mid-range position.
Acoustical Specifications and Wiring To reconfigure your LT MB24-III modular bass loudspeaker: 1. Turn off amplifier power and disconnect the loudspeaker input connection. Remove the rear panel. 2. Pull out the connector from the passive position. 3. Insert in the bi-amped position.
Acoustical Specifications and Wiring LT 3202®-III Loudspeaker Product Description The Bose® Panaray® LT 3202®-III loudspeaker is a mid/high-frequency loudspeaker designed for long throw distances. The LT 3202-III loudspeaker has the narrowest coverage characteristics of all the LT cabinets. When arrayed correctly, LT 3202-III loudspeakers behave sonically as a large single source of sound energy.
Acoustical Specifications and Wiring LT 3202®-III Loudspeaker Configurations Passive Bi-amped Bi-amped Dual Mid-Range LT 3202-III Loudspeaker Active Equalization Curves 17
Acoustical Specifications and Wiring LT 4402®-III Loudspeaker Product Description The Bose® Panaray® LT 4402®-III loudspeaker is a mid/high-frequency device designed for medium to long throw distances. The LT 4402-III loudspeaker offers a 44˚ horizontal by 38˚ vertical dispersion pattern which is ideal for highly reverberant spaces. When arrayed correctly, LT 4402-III loudspeakers behave sonically as a large, single source of sound energy.
Acoustical Specifications and Wiring LT 4402®-III Loudspeaker Configurations Passive Bi-amped LT 4402-III Loudspeaker Active Equalization Curves 19
Acoustical Specifications and Wiring LT 9402™-III Loudspeaker Product Description The Bose® Panaray® LT 9402™-III loudspeaker is a mid/high-frequency device designed for medium throw distances. The LT 9402-III loudspeaker offers an 95˚ horizontal by 39˚ vertical dispersion pattern that allows you to cover a large seating area and direct energy away from reflective surfaces such as ceilings. When arrayed correctly, LT 9402-III loudspeakers behave sonically as a large single source of sound energy.
Acoustical Specifications and Wiring LT 9402™-III Loudspeaker Configurations Passive Bi-amped LT 9402-III Loudspeaker Active Equalization Curves 21
Acoustical Specifications and Wiring LT 9702®-III Loudspeaker Product Description The Bose® Panaray® LT 9702®-III loudspeaker is a mid/high-frequency device designed for shorter throw distances. The LT 9702-III loudspeaker offers an 92º horizontal by 61º vertical dispersion pattern which is the broadest beamwidth of all the LT loudspeakers. When arrayed correctly, LT 9702-III loudspeakers behave sonically as a large single source of sound energy.
Acoustical Specifications and Wiring LT 9702®-III Loudspeaker Configurations Passive Bi-amped LT 9702-III Loudspeaker Active Equalization Curves 23
Acoustical Specifications and Wiring LT MB24 Loudspeaker Product Description The Panaray® LT MB24-III modular bass loudspeaker is a compact low-frequency loudspeaker designed exclusively for use with the Panaray LT mid/high-frequency loudspeaker family. The LT MB24-III integrates two 12" woofers in a proprietary acoustic enclosure.
Acoustical Specifications and Wiring LT MB24-III Loudspeaker Configurations Parallel Discrete LT MB24-III Loudspeaker Active Equalization Curve 25
Active Equalization WARNING: 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.
Service Information This section contains information on servicing Panaray® LT cabinets. • Ordering information for replacement 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. Panaray LT Replacement Parts To order replacement parts, call the Bose® Customer Service center nearest you.
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 LT loudspeaker, it is important that no paint is applied to the transducers or connector panel. Before painting the cabinet, turn off the amplifier power and disconnect the loudspeaker input connection. Make sure the cabinet is clean and free of dust and debris.
Service Information To Replace the t1.4hp High-frequency Compression Driver in the Panaray® LT 3202®-III, LT 4402®-III, LT 9402TM-III or LT 9702®-III Loudspeakers CAUTION: The rear of the Panaray LT loudspeakers can become extremely HOT during normal use. Do not attempt to service the loudspeakers until they have cooled to room temperature. 1. Turn off the amplifier power. 2. Disconnect the loudspeaker input connection. 3.
Service Information To Replace the t1.4hp High-frequency Compression Driver Diaphragm Replacement diaphragm for the t1.4hp high-frequency compression driver To remove the compression driver from the loudspeaker cabinet: 1. Select, a clean, well lit work area that is free of magnetic materials that might be attracted to the magnet in the compression driver. Note: Do not let any dirt or dust come in contact with the replacement diaphragm. 2.
Service Information 11. Slowly and gently rotate the diaphragm assembly so that the coil is worked into the gap in the front of the compression driver, is centered in the gap, and the diaphragm assembly rests smoothly against the front plate of the compression driver. The screw holes in the diaphragm can be visually lined up with the screw holes in the front of the compression driver assembly to help center the coil into the gap. 12.
Service Information To Replace the V-2 Mid-frequency Driver in the Panaray® LT 3202®-III CAUTION: The rear of the Panaray LT loudspeakers can become extremely HOT during normal use. Do not attempt to service the loudspeakers until they have cooled to room temperature. 1. Turn off the amplifier power. 2. Disconnect the loudspeaker input connection(s). 3. The LT 3202-III uses a total of four V2 drivers. Remove the four screws securing each V2 driver to the cabinet.
Service Information To Replace the V-2 Mid-frequency Driver in the Panaray® LT 4402®-III, LT 9402TM-III or LT 9702® -III Loudspeakers 1. Turn off the amplifier power. 2. Disconnect the loudspeaker input connection(s). 3. The LT 4402-III, LT 9402-III and LT 9702-III use two V2 drivers. Remove the four screws securing each V2 driver to the cabinet. CAUTION: Be careful not to let the driver fall out of the cabinet. 4.
Service Information To Replace the 12" Woofer in the Panaray LT MB24-III Modular Bass Loudspeaker 1. Turn off amplifier power 2. Disconnect the loudspeaker input connection(s) 3. Remove the 22 screws securing the grill to the enclosure. Lift the grill off of the enclosure. 4. Remove the 8 screws securing the driver to the enclosure. 5. Lift the driver out of the enclosure. 6. Remove the old gasket. 7. Disconnect the RED (+) and BLACK (-) wires connected to the driver. 8. Replace gasket. 9.
Service Information Driver and Electronics Assembly LT 3202®-III Loudspeaker 1 Logo, Panaray LT 9 Disk, Align, Compression Driver 17 Washer 2 Kit, Grille Screw, TA 4x15 (14 screws per kit) 10 Screw, KM 4x12 18 Screw TM 4x15 3 Cap, Spring 11 Screw, KM 6x12 19 V2 Assembly 4 Spring, Logo 12 Plate, Mount, Compression Driver 20 Gasket, Input Manifold 5 Clip, Retaining, Logo 13 Screw, TM 6x30 21 Manifold, V2 6 Grille Assembly, includes: screws, tape, logo, fastener and spring 14
Service Information LT 4402®-III Loudspeaker 1 Grille Assembly, includes: screws, tape, logo, fastener and spring 9 Screw, TM 6x30 17 Manifold, V2 2 Gasket, Grille 10 Compression Driver 18 Gasket, Output Manifold 3 Kit, Grille Screw, TA 4x15 (14 screws per kit) 11 Gasket Panel 19 Panel, Input 4 Gasket, Compression Driver 12 Panel, Rear 20 Standoffs for Crossover PCB 5 Disk, Alignment, Compression Driver 13 Screw TM 4x15 21 Input Panel with Crossover PCB 6 Screw, KM 4x12 14
Service Information LT 9402TM-III Loudspeaker 1 8 1 9 10 11 12 13 14 15 16 2 3 17 4 18 5 19 6 20 7 24 23 22 21 1 Kit, Grille Screw, TA 4x15 (14 screws per kit) 9 Disk, Alignment, Compression Driver 17 Screw, TM 4x15 2 Logo, Panaray LT 10 Screw, KM 4x12 18 Manifold, V2 3 Grille Assembly, includes: screws, tape, logo, fastener and spring 11 Screw, KM 6x12r 19 Gasket, Input Manifold 4 Cap, Spring 12 Plate, Mount, Compression Driver 20 V2 assembly 5 Spring, Logo 13
Service Information LT 9702®-III Loudspeaker 1 Grille Assembly, includes: screws, tape, logo, fastener and spring 10 Screw, KM 4x12 19 Gasket, Input Manifold 2 Kit, Grille Screw, TA 4x15 (14 screws per kit) 11 Screw, KM 6x12 20 Manifold, V2 3 Clip, Retaining, Logo 12 Plate, Mount, Compression Driver 21 Gasket, Output Manifold 4 Spring, Logo 13 Screw, TM 6x30 22 Panel, Input with Crossover 5 Cap, Spring 14 Compression Driver 23 Standoffs for Input Panel PCB 6 Logo, Panaray LT
Service Information LT MB24-III Loudspeaker 1 Gasket, Grille, MB24 Bass Module 5 Gasket, Input Panel 2 Grille Assembly, includes: screws, logo, tape, fastener and spring 6 Input Panel Kit 3 Grille Screw Kit (14 screws) 7 Woofer Assembly, 12-inch, TBX 4 Gasket, Woofer 8 Screw, Woofer 39
©2004 Bose Corporation, the Mountain, Framingham, MA 01701-9168 USA 269724 AM Rev.
