Bose Panaray LT Series III Reference Manual

Bose Panaray LT Series III Reference Manual

Panaray lt series iii
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Bose
Panaray
LT Series III Loudspeakers
Reference Guide

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Summary of Contents for Bose Panaray LT Series III

  • Page 1 ® ® Bose Panaray LT Series III Loudspeakers Reference Guide...
  • Page 2: Declaration Of Conformity

    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: Loudspeaker Type designation: Panaray LT 3202 III Loudspeaker System ® ® Panaray LT 4402 III Loudspeaker System ®...
  • Page 3: Table Of Contents

    Contents Safety Information ............. . . Mounting Guidelines .
  • Page 4: Safety Information

    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.
  • Page 5: Mounting Guidelines

    The LT loudspeaker installation requires the use of either Bose 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 information and guidelines for the permanent installation of your Panaray LT loudspeakers: •...
  • Page 6: How To Use This Manual

    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.
  • Page 7: Mechanical Specifications

    Mechanical Specifications ® LT 3202 -III Loudspeaker Materials and Construction: ® The Panaray LT 3202-III speaker is a mid/high-frequency loud- speaker 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.
  • Page 8: Lt 4402 -Iii Loudspeaker

    Mechanical Specifications ® LT 4402 -III Loudspeaker Materials and Construction: ® The Panaray LT 4402-III speaker is a mid/high-frequency loud- speaker designed for medium-to-long throw distances. The LT 4402-III speaker features a tightly controlled 40 ˚ H x 40 ˚ V beam- width.
  • Page 9: Lt 9402™-Iii Loudspeaker

    Mechanical Specifications LT 9402™-III Loudspeaker Materials and Construction: ® The Panaray LT 9402-III speaker is a mid/high-frequency loud- speaker designed for medium-to-long throw distances. The LT 9402-III speaker features a tightly controlled 90˚H x 40˚V beam- width. The LT 9402-III speaker is built with 10-ply marine-grade Baltic birch wood.
  • Page 10: Lt 9702 -Iii Loudspeaker

    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.
  • Page 11: Lt Mb24-Iii Modular Bass Loudspeaker

    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.
  • Page 12: Acoustical Specifications And Wiring

    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...
  • Page 13: To Configure Your Lt 9702-Iii, Lt 9402-Iii, Or Lt 4402-Iii Loudspeaker

    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.
  • Page 14: To Reconfigure Your Lt 3202-Iii Loudspeaker (Only)

    Acoustical Specifications and Wiring To reconfigure your LT 3202 ® -III loudspeaker (only): 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.
  • Page 15: To Reconfigure Your Lt Mb24-Iii Modular Bass Loudspeaker

    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.
  • Page 16: Lt 3202-Iii Loudspeaker Product Description

    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 character- istics of all the LT cabinets.
  • Page 17: Lt 3202-Iii Loudspeaker Configurations

    Acoustical Specifications and Wiring LT 3202 ® -III Loudspeaker Configurations Passive Bi-amped Bi-amped Dual Mid-Range LT 3202-III Loudspeaker Active Equalization Curves...
  • Page 18: Lt 4402-Iii Loudspeaker Product Description

    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˚...
  • Page 19: Lt 4402-Iii Loudspeaker Configurations

    Acoustical Specifications and Wiring ® LT 4402 -III Loudspeaker Configurations Passive Bi-amped LT 4402-III Loudspeaker Active Equalization Curves...
  • Page 20: Lt 9402-Iii Loudspeakerproduct Description

    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.
  • Page 21: Lt 9402-Iii Loudspeaker Configurations

    Acoustical Specifications and Wiring LT 9402™-III Loudspeaker Configurations Passive Bi-amped LT 9402-III Loudspeaker Active Equalization Curves...
  • Page 22: Lt 9702-Iii Loudspeakerproduct Description

    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.
  • Page 23: Lt 9702-Iii Loudspeaker Configurations

    Acoustical Specifications and Wiring ® LT 9702 -III Loudspeaker Configurations Passive Bi-amped LT 9702-III Loudspeaker Active Equalization Curves...
  • Page 24: Lt Mb24 Loudspeaker Product Description

    Acoustical Specifications and Wiring LT MB24 Loudspeaker Product Description The Panaray ® LT MB24-III modular bass loudspeaker is a compact low-frequency loud- speaker 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. This enables the LT MB24-III to deliver high SPL and wide bandwidth without audible port noise The size of the LT MB24-III has also been optimized so that it can be used in multiple bass array configurations.
  • Page 25: Lt Mb24-Iii Loudspeaker Configurations

    Acoustical Specifications and Wiring LT MB24-III Loudspeaker Configurations Parallel Discrete LT MB24-III Loudspeaker Active Equalization Curve...
  • Page 26: Active Equalization

    C20 decreases the low mid-frequency equalization (by 4dB at 200Hz). In bi-amplified mode, one mid-frequency EQ card is available for use with any of the three Panaray LT Series III loud- speakers. This EQ card is used to provide an equalized signal for the mid-frequency (V2) driver only.
  • Page 27: Service Information

    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. Request parts by the part number in the left hand column above...
  • Page 28: Painting Information

    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.
  • Page 29: To Replace The T1.4Hp High-Frequency Compression Driver In The Panaray Lt 3202-Iii, Lt 4402-Iii, Lt 9404-Iii Or Lt 9702-Iii Loudspeakers

    Service Information To Replace the t1.4hp High-frequency Compression Driver in the Panaray ® ® ® ® LT 3202 -III, LT 4402 -III, LT 9402 -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.
  • Page 30: To Replace The T1.4Hp High-Frequency Compression Driver Diaphragm

    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 com- pression driver.
  • Page 31 Service Information 11. Slowly and gently rotate the diaphragm assembly so that the coil is worked into the gap in the front of the compres- sion driver, is centered in the gap, and the diaphragm assembly rests smoothly against the front plate of the compres- sion driver.
  • Page 32: To Replace The V-2 Mid-Frequency Driver In The Panaray Lt 3202-Iii

    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.
  • Page 33: Lt 9402-Iii Or Lt 9702 -Iii Loudspeakers

    Service Information To Replace the V-2 Mid-frequency Driver in the Panaray ® LT 4402 ® -III, ® LT 9402 -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.
  • Page 34: To Replace The 12" Woofer In The Panaray Lt Mb24-Iii Modular Bass Loudspeaker

    Service Information To Replace the 12" Woofer in the Panaray LT MB24-III Modular Bass Loud- speaker 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.
  • Page 35: Driver And Electronics Assembly

    Service Information Driver and Electronics Assembly ® LT 3202 -III Loudspeaker Logo, Panaray LT Disk, Align, Compression Driver Washer Kit, Grille Screw, TA 4x15 Screw, KM 4x12 Screw TM 4x15 (14 screws per kit) Cap, Spring Screw, KM 6x12 V2 Assembly Spring, Logo Plate, Mount, Compression Driver Gasket, Input Manifold...
  • Page 36: Lt 4402-Iii Loudspeaker

    Service Information ® LT 4402 -III Loudspeaker Grille Assembly, includes: screws, Screw, TM 6x30 Manifold, V2 tape, logo, fastener and spring Gasket, Grille Compression Driver Gasket, Output Manifold Kit, Grille Screw, TA 4x15 Gasket Panel Panel, Input (14 screws per kit) Gasket, Compression Driver Panel, Rear Standoffs for Crossover PCB...
  • Page 37: Lt 9402-Iii Loudspeaker

    Service Information LT 9402 -III Loudspeaker 13 14 15 16 Kit, Grille Screw, TA 4x15 Disk, Alignment, Compression Driver Screw, TM 4x15 (14 screws per kit) Logo, Panaray LT Screw, KM 4x12 Manifold, V2 Grille Assembly, includes: screws, Screw, KM 6x12r Gasket, Input Manifold tape, logo, fastener and spring Cap, Spring...
  • Page 38: Lt 9702-Iii Loudspeaker

    Service Information ® LT 9702 -III Loudspeaker Grille Assembly, includes: screws, Screw, KM 4x12 Gasket, Input Manifold tape, logo, fastener and spring Kit, Grille Screw, TA 4x15 Screw, KM 6x12 Manifold, V2 (14 screws per kit) Clip, Retaining, Logo Plate, Mount, Compression Driver Gasket, Output Manifold Spring, Logo Screw, TM 6x30...
  • Page 39: Lt Mb24-Iii Loudspeaker

    Service Information LT MB24-III Loudspeaker Gasket, Grille, MB24 Bass Module Gasket, Input Panel Grille Assembly, includes: screws, Input Panel Kit logo, tape, fastener and spring Grille Screw Kit (14 screws) Woofer Assembly, 12-inch, TBX Gasket, Woofer Screw, Woofer...
  • Page 40 ©2004 Bose Corporation, the Mountain, Framingham, MA 01701-9168 USA 269724 AM Rev.00 cmm-040235...

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