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11

Mechanical Specifications

LT MB24-III

 

Modular Bass Loudspeaker

Load Limits:

The LT MB24 modular bass loudspeaker has a working load limit (WLL) of 520 lb (236 kg).

Hardware:

• 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 

3

/

8

-16, they are not interchangeable. 

M10 washers may be used in place of 

3

/

8

-inch washers.

Safety and Regulatory Compliance:

This loudspeaker complies with ANSI/EIA-636 “Recommended Loudspeaker Safety Practices” and with EU 
EMC Directives 89/336/EEC for CE marking.

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 industry-
standard components. It has been manufactured with a black 
textured finish and a contoured stainless steel grille. Both the 
cabinet and the grille can be painted to match the surroundings.

Dimensions:

25.5’’D x 20’’W x 28.1’’H 
646 mm x 508 mm x 712 mm)

Weight:

Unpacked

130 lb (59.19 kg) 

Packaged:

 

147 lb (66.9 kg)

Содержание Panaray LT MB24 III

Страница 1: ...Bose Panaray LT Series III Loudspeakers Reference Guide...

Страница 2: ...em 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 of t...

Страница 3: ...T 9402 III LoudspeakerActive Equalization Curves 21 LT 9702 III LoudspeakerProduct Description 22 LT 9702 III Acoustical Specifications 22 LT 9702 III Loudspeaker Configurations 23 LT 9702 III Loudspe...

Страница 4: ...hanical Specifications section of this manual Failure to do so may result in permanent damage to the system components or physical injury to anyone near the system WARNING This system is capable of su...

Страница 5: ...on If you are unfamiliar with the proper design use and purpose of a safety cable consult a licensed professional engineer or a rigging professional Additional loudspeakers may be suspended below the...

Страница 6: ...ic specifications for each loudspeaker and details how to change the configuration of the loudspeakers from passive to bi amp or bi amped dual mid range mode 3202 III speaker only There are schematic...

Страница 7: ...ed to match the surroundings Load Limits The LT 3202 III loudspeaker has a working load limit WLL of 395 lb 179 kg Hardware Use only graded hardware Fasteners should be SAE Grade 5 or ASTM designation...

Страница 8: ...can be painted to match the surroundings Dimensions 24 H x 18 5 W x 34 W 610 mm x 471 mm x 884 mm Weight Unpacked 111 lb 50 kg Packaged 142 lb 64 kg Load Limits The LT 4402 III loudspeaker has a work...

Страница 9: ...an be painted to match the surroundings Dimensions 23 7 D x 22 5 W x 34 6 H 604 mm x 572 mm x 879 mm Weight Unpacked 113 lb 51 kg Packaged 146 lb 66 kg Load Limits The LT 9402 III loudspeaker has a wo...

Страница 10: ...d grille can be painted to match the surroundings Dimensions 14 5 D x 22 5 W x 34 6 H 368 mm x 572 mm x 879 mm Weight Unpacked 96 lb 43 kg Packaged 124 lb 56 kg Load Limits The LT 9702 III loudspeaker...

Страница 11: ...udspeaker complies with ANSI EIA 636 Recommended Loudspeaker Safety Practices and with EU EMC Directives 89 336 EEC for CE marking Materials and Construction The Panaray LT MB24 III speaker is a compa...

Страница 12: ...frequency and high frequency drivers are accessed through separate pins on the NL8 connector Two sets of connections and two amplifier channels are required Bi amplified mode allows additional contro...

Страница 13: ...igure 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 pas...

Страница 14: ...T 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...

Страница 15: ...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 3 I...

Страница 16: ...ull bandwidth pink noise meeting the IEC Standard 268 5 is applied to the loudspeaker and amplified to a level at the loudspeaker terminals corresponding to the power handling of the loudspeaker The l...

Страница 17: ...17 Acoustical Specifications and Wiring LT 3202 III Loudspeaker Configurations LT 3202 III Loudspeaker Active Equalization Curves Bi amped Dual Mid Range Passive Bi amped...

Страница 18: ...EC Standard 268 5 is applied to the loudspeaker and amplified to a level at the loudspeaker terminals corresponding to the power handling of the loudspeaker The loudspeaker must show no visible damage...

Страница 19: ...19 Acoustical Specifications and Wiring LT 4402 III Loudspeaker Configurations LT 4402 III Loudspeaker Active Equalization Curves Bi amped Passive...

Страница 20: ...dwidth pink noise meeting the IEC Standard 268 5 is applied to the loudspeaker and amplified to a level at the loudspeaker terminals corresponding to the power handling of the loudspeaker The loudspea...

Страница 21: ...21 Acoustical Specifications and Wiring LT 9402 III Loudspeaker Configurations LT 9402 III Loudspeaker Active Equalization Curves Passive Bi amped...

Страница 22: ...eeting the IEC Standard 268 5 is applied to the loudspeaker and amplified to a level at the loud speaker terminals corresponding to the power handling of the loudspeaker The loudspeaker must show no v...

Страница 23: ...23 Acoustical Specifications and Wiring LT 9702 III Loudspeaker Configurations LT 9702 III Loudspeaker Active Equalization Curves Bi amped Passive...

Страница 24: ...ass filter and low pass filter as shown LT MB24 III Acoustical Specifications How our loudspeakers are measured 1 Power Handling Full bandwidth pink noise meeting the IEC Standard 268 5 is applied to...

Страница 25: ...25 Acoustical Specifications and Wiring LT MB24 III Loudspeaker Configurations LT MB24 III Loudspeaker Active Equalization Curve Discrete Parallel...

Страница 26: ...with a high pass filter and low pass filter The active equalization curves are located in the Acoustical Specifications and Wiring sec tion LT Series III Mid High Loudspeakers When using the loudspea...

Страница 27: ...e includes screws 4402 III 276844 9402 III Grille includes screws 9402 III 276845 9702 III Grille includes screws 9702 III 276846 Replacement Screws for grille All 276847 Replacement Logo All 276848 I...

Страница 28: ...rimer manufacturer in applying the primer When the primer is sufficiently dry latex paint can be applied to the cabinet Several layers of paint may be needed depending on the color of the paint and th...

Страница 29: ...gative terminal of the t1 4hp driver Note On some models the connectors may be lightly soldered to the terminals on the compression driver so removing the connectors may require a soldering iron 5 Rem...

Страница 30: ...paper around the perimeter of the gap Note You should not feel any debris or obstructions with the paper If there is debris use a piece of masking tape to remove Fold the tape so that both sides have...

Страница 31: ...each of the three holes 15 Apply a sine wave to the driver at a frequency of 300Hz and a maximum amplitude of 2 volts The unit should produce a tapping sound not a buzzing sound If you hear a buzzing...

Страница 32: ...the following For the top first V2 disconnect the BLUE and BLACK wires connected to the driver For the second V2 disconnect the RED and BLUE wires connected to the driver For the third V2 disconnect t...

Страница 33: ...CAUTION Be careful not to let the driver fall out of the cabinet 4 Disconnect the following For the top V2 disconnect the RED and BLUE wires connected to the driver For the bottom V2 disconnect the B...

Страница 34: ...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...

Страница 35: ...w 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...

Страница 36: ...d 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 4...

Страница 37: ...ogo 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 Screw TM 6x30 21 Gasket Output Manifold 6 Clip Retaini...

Страница 38: ...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 Inpu...

Страница 39: ...oudspeaker 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 inc...

Страница 40: ...2004 Bose Corporation the Mountain Framingham MA 01701 9168 USA 269724 AM Rev 00 cmm 040235...

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