BOSE PANARAY LT3202 III, PANARAY LT4402 III, PANARAY LT9402 III, PANARAY LT9702 III Service Manual

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Panaray® LT Model

3202® III, 4402® III, 9402TM III, 9702® III,

MB24 III and MB12 III Loudspeakers

©2006 Bose Corporation

Service Manual

Reference Number 275484-SM Rev. 03

CONTENTS

 

Warranty Information ......................................................................................................................................

2

Specifications ...............................................................................................................................................

3-4

Product Description .........................................................................................................................................

5

Part List Notes ..................................................................................................................................................

5

Packing List, Panaray® LT 3202® III Loudspeaker .........................................................................................

6

Figure 1. Panaray LT 3202 III Loudspeaker Packaging View ............................................................................

6

Packing List, Panaray LT 4402® III Loudspeaker ...........................................................................................

7

Figure 2. Panaray LT 4402 III Loudspeaker Packaging View ............................................................................

7

Packing List, Panaray LT 9402TM III Loudspeaker .......................................................................................

8

Figure 3. Panaray LT 9402 III Loudspeaker Packaging View ............................................................................

8

Packing List, Panaray LT 9702® III Loudspeaker ...........................................................................................

9

Figure 4. Panaray LT 9702 III Loudspeaker Packaging View ............................................................................

9

Packing List, Panaray LT MB24 III Bass Loudspeaker ................................................................................

10

Figure 5. Panaray LT MB24 III Bass Loudspeaker Packaging View ...............................................................

10

Packing List, Panaray LT MB12 III Bass Loudspeaker ................................................................................

11

Figure 6. Panaray LT MB12 III Bass Loudspeaker Packaging View ...............................................................

11

Main Part List, Panaray LT 3202® III Loudspeaker (see Figure 7) ..............................................................

12

Figure 7. Panaray LT 3202 III Loudspeaker Exploded View ............................................................................

12

Main Part List, Panaray LT 4402® III Loudspeaker (see Figure 8) ..............................................................

13

Figure 8. Panaray LT 4402 III Loudspeaker Exploded View ............................................................................

13

Main Part List, Panaray LT 9402TM III Loudspeaker (see Figure 9) ............................................................

14

Figure 9. Panaray LT 9402TM III Loudspeaker Exploded View .......................................................................

14

Main Part List, Panaray LT 9702® III Loudspeaker (see Figure 10) ............................................................

15

Figure 10. Panaray LT 9702 III Loudspeaker Exploded View ..........................................................................

15

Main Part List, Panaray LT MB24 III Bass Loudspeaker .............................................................................

16

Figure 11. Panaray LT MB24 III Bass Loudspeaker Exploded View ...............................................................

16

Main Part List, Panaray LT MB12 III Bass Loudspeaker .............................................................................

17

Figure 12. Panaray LT MB12 III Bass Loudspeaker Exploded View ...............................................................

17

Disassembly Procedures ..........................................................................................................................

18-20

Test Procedures ........................................................................................................................................

21-22

Model 4402, 9402, 9702, MB24 and MB12 Series III Speaker Test Cable ...................................................

21

Model 3202 III Speaker Test Cable ...............................................................................................................

21

Loudspeaker Wiring Diagrams ................................................................................................................

22-24

Accessories Used With the Panaray LT Series III Loudspeakers ...............................................................

24

High Frequency Compression Driver Diaphragm Replacement Procedure .............................................

25

Service Manual Revision History .................................................................................................................

26

CAUTION: The Bose® Panaray LT Loudspeakers

contain no user-serviceable parts. To prevent warranty infractions, refer servicing to warranty service stations or factory service.

WARRANTY INFORMATION

The Bose Panaray LT Model 3202, 4402, 9402, 9702, MB24 and MB12 Series III Loudspeakers are covered by a 5-year transferable limited warranty.

PROPRIETARY INFORMATION

THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OF

BOSE CORPORATION WHICH IS BEING FURNISHED ONLY FOR

THE PURPOSE OF SERVICING THE IDENTIFIED BOSE PRODUCT

BY AN AUTHORIZED BOSE SERVICE CENTER OR OWNER OF

THE BOSE PRODUCT, AND SHALL NOT BE REPRODUCED OR

USED FOR ANY OTHER PURPOSE.

2

SPECIFICATIONS

MECHANICAL

External dimensions, single speaker

9702® III:

9402TM III:

4402® III:

3202® III:

MB24 III:

MB12 III:

System weight, unpackaged single speaker

9702 III:

9402 III:

4402 III:

3202 III:

MB24 III:

MB12 III:

System weight, packaged single speaker

9702 III:

9402 III:

4402 III:

3202 III:

MB24 III:

MB12 III:

ELECTRICAL

Driver Complement

9702 III:

9402 III:

4402 III:

3202 III:

MB24 III:

MB12 III:

Sensitivity (dB SPL, 1Watt at 1 meter)

9702 III:

9402 III:

4402 III:

3202 III:

MB24 III:

MB12 III:

42.2" H x 22.5" W x 18.0" D (1072 x 572 x 368 mm) 34.6" H x 22.5" W x 23.7" D (879 x 572 x 604 mm) 34.0" H x 18.5" W x 24.0" D (884 x 471 x 610 mm) 42.2" H x 22.5" W x 35.9" D (1072 x 573 x 913 mm) 28.1" H x 20.0" W x 25.5" D (712 x 508 x 647 mm) 14.5" H x 20.0" W x 25.5" D (368x 508 x 647 mm)

95.5 lbs (43 kg)

113.0 lbs (51 kg)

111.1 lbs (50 kg)

194.0 lbs (88 kg)

129.0 lbs (59 kg)

65.0 lbs (29.5 kg)

123.5 lbs (56 kg)

145.5 lbs (66 kg)

141.1 lbs (64 kg)

240.7 lbs (109 kg)

147.0 lbs (67 kg)

74 lbs (34 kg)

Mid Freq: two V2 drivers

High Freq: one 1.4" compression driver Mid Freq: two V2 drivers

High Freq: one 1.4" compression driver Mid Freq: two V2 drivers

High Freq: one 1.4" compression driver Mid Freq: four V2 drivers

High Freq: one 1.4" compression driver Two 12" low frequency drivers

One 12" low frequency driver

Mid 105, High 104, Passive 104

Mid 106, High 106, Passive 106

Mid 106, High 107, Passive 108

Mid 111, High 107, Passive 110

Parallel Mode 94, Discrete Mode 91 (per driver) Discrete Mode 91

3

SPECIFICATIONS

ELECTRICAL (Continued)

Maximum sound pressure level (dB SPL) - pink noise per IEC 268-5

9702 III:

Mid 127, High 123, Passive 126

9402 III:

Mid 128, High 125, Passive 128

4402 III:

Mid 126, High 128, Passive 130

3202 III:

Mid 132, High 130, Passive 135

MB24 III:

Parallel Mode 123, Discrete Mode 123

MB12 III:

Discrete Mode 117

Frequency Range

 

9702® III:

180Hz - 16kHz (+ 3dB)

9402TM III:

180Hz - 16kHz (+ 3dB)

4402® III:

180Hz - 16kHz (+ 3dB)

3202® III:

200Hz - 16kHz (+ 3dB)

MB24 III:

40Hz - 250Hz (+ 3dB)

MB12 III:

40Hz - 250Hz (+ 3dB)

Loudspeaker Impedance

 

Compression Driver:

8 Ohms

Vee-Two:

2 Vee-Two's are wired in series for 8 Ohms

MB24 III Bass Drivers:

8 Ohms each

MB12 III Bass Driver:

8 Ohms

Maximum Power Handling, Watts

 

9702 III:

Bi-amped: Mid 140, High 75

Passive: 140

9402 III:

Bi-amped: Mid 140, High 75

Passive: 140

4402 III:

Bi-amped: Mid 140, High 75

Passive: 140

3202 III:

Bi-amped: Mid 280, High 75

Passive: 280

 

Bi-amped / Dual Midrange: Mid1 140; Mid2 140; High 75

MB24 III:

Parallel Mode 800, Discrete Mode 400 each driver

MB12 III:

Discrete Mode 400

 

4

PRODUCT DESCRIPTION

The Bose® Panaray® LT Series III Loudspeakers are designed to provide quality sound in venues where speaker-to-listener distance, room reverberation time, ambient noise and high SPL requirements are key factors. Typical installations include performing arts facilities, theaters, auditoriums, houses of worship, stadiums and arenas.

The Panaray LT Series III loudspeakers are a direct replacement for the Panaray LT Series II loudspeaker in indoor spaces. The Panaray LT Series III loudspeaker does not meet the requirements for permanent outdoor installation.

The Panaray LT Series III loudspeakers utilize a high frequency compression driver and two or more V2 assemblies for midrange. The MB24 bass module contains two 12 inch bass drivers. The MB12 bass module contains one 12 bass driver.

The Panaray LT Series III loudspeakers come standard with a perforated metal grille and are available in both black and white versions.

PART LIST NOTES

1.This part is not normally available from Customer Service. Approval from the Field Service Manager is required before ordering.

2.The individual parts located on the PCBs are listed in the Electrical Part List.

3. This part is critical for safety purposes. Failure to use a substitute replacement with the same safety characteristics as the recommended replacement part might create shock, fire

and/or other hazards.

4.This part is referenced for informational purposes only. It is not stocked as a repair part. Refer to the next higher assembly for a replacement part.

5

PACKING LIST

Panaray® LT 3202® III Loudspeaker

Item

Description

Bose®

Vendor Part Number

Qty

Note

Number

 

 

 

Part

 

 

 

 

 

 

 

Number

 

 

 

 

Kit, Carton, Model 3202 III,

276855

-

1

 

 

includes:

 

 

 

 

1

PP Cover

-

LT3202-III-5-104

2

4

2

Triangle Paper

-

LT3202-III-5-102

2

4

3

PP Foam Middle

-

LT3202-III-5-106

1

4

4

Triangle Paper

-

LT3202-III-5-101

2

4

5

Carton

-

LT3202-III-5-107

1

4

6

Loudspeaker, Model 3202 III

275484

LT3202 III

1

4

 

(not included with carton kit)

 

 

 

 

7

PE Bag, 1850x1430x0.3

-

LT3202-III-5-104

1

4

-

Owner's Guide, Models 3202,

276859

LT9702-III-5-108

1

 

 

4402, 9402 and 9702 III

 

 

 

 

 

 

 

 

 

 

 

 

Figure 1. Panaray LT 3202 III Loudspeaker Packaging View

6

BOSE PANARAY LT3202 III, PANARAY LT4402 III, PANARAY LT9402 III, PANARAY LT9702 III Service Manual

PACKING LIST

Panaray® LT 4402® III Loudspeaker

Item

 

Description

Bose®

Vendor Part Number

Qty

Note

Number

 

 

 

Part

 

 

 

 

 

 

 

Number

 

 

 

 

Kit, Carton, Model 4402 III,

276856

-

1

 

 

includes:

 

 

 

 

1

PP Cover

-

LT4402-III-5-103

2

4

2

Triangle Paper

-

LT4402-III-5-102

2

4

3

PP Foam Middle

-

LT4402-III-5-106

1

4

4

Triangle Paper

-

LT4402-III-5-101

2

4

5

Carton

-

LT4402-III-5-107

1

4

6

Loudspeaker, Model 4402 III

275485

LT4402 III

1

4

 

(not included with carton kit)

 

 

 

 

7

PE Bag, 1850x1430x0.3

-

LT9702-III-5-108

1

4

-

Owner's Guide, Models 3202,

276859

-

1

 

 

4402, 9402 and 9702 III

 

 

 

 

 

 

 

 

 

 

 

 

Figure 2. Panaray LT 4402 III Loudspeaker Packaging View

7

PACKING LIST

Panaray® LT 9402TM III Loudspeaker

Item

Description

Bose®

Vendor Part Number

Qty

Note

Number

 

Part

 

 

 

 

 

Number

 

 

 

 

Kit, Carton, Model 9402 III,

276857

-

1

 

 

includes:

 

 

 

 

1

PP Cover

-

LT9402-III-5-105

2

4

2

Triangle Paper

-

LT9402-III-5-101

2

4

3

PP Foam Middle

-

LT9402-III-5-106

1

4

4

Carton

-

LT9402-III-5-107

1

4

5

Loudspeaker, Model 9402 III

263940

LT9402 III

1

4

 

(not included with carton kit)

 

 

 

 

6

PE Bag, 1850x1430x0.3

-

LT9702-III-5-108

1

4

-

Owner's Guide, Models 3202,

276859

-

1

 

 

4402, 9402 and 9702 III

 

 

 

 

Figure 3. Panaray LT 9402 III Loudspeaker Packaging View

8

PACKING LIST

Panaray® LT 9702® III Loudspeaker

Item

Description

Bose®

Vendor Part Number

Qty

Note

Number

 

Part

 

 

 

 

 

Number

 

 

 

 

Kit, Carton, Model 9702 III,

276858

-

1

 

 

includes:

 

 

 

 

1

PP Cover

-

LT9702-III-5-104

2

4

2

Triangle Paper

-

LT9702-III-5-101

2

4

3

PP Foam Middle

-

LT9702-III-5-105

1

4

4

Carton

-

LT9702-III-5-106

1

4

5

Loudspeaker, Model 9702 III

275486

LT9702 III

1

4

 

(not included with carton kit)

 

 

 

 

6

PE Bag, 1850x1430x0.3

-

LT9702-III-5-107

1

4

-

Owner's Guide, Models 3202,

276859

-

1

 

 

4402, 9402 and 9702 III

 

 

 

 

Figure 4. Panaray LT 9702 III Loudspeaker Packaging View

9

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