Contents |
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Warranty Information ............................................................................................................................... |
1 |
Specifications....................................................................................................................................... |
2-5 |
Product Descriptions .............................................................................................................................. |
6 |
Part List Notes .......................................................................................................................................... |
6 |
Packing List, Panaray® LT 6403 Full-Range Loudspeaker ................................................................. |
7 |
Figure 1. Panaray LT 6403 Packaging View .......................................................................................... |
7 |
Packing List, Panaray LT 6400 Mid/High Frequency Loudspeaker.................................................. |
8 |
Figure 2. Panaray LT 6400 Packaging View .......................................................................................... |
8 |
Packing List, Panaray LT 9403 Full-Range Loudspeaker .................................................................. |
9 |
Figure 3. Panaray LT 9403 Packaging View .......................................................................................... |
9 |
Packing List, Panaray LT 9400 Mid/High Frequency Loudspeaker................................................ |
10 |
Figure 4. Panaray LT 9400 Packaging View ........................................................................................ |
10 |
Main Part List, Panaray LT 6403 Full-Range Loudspeaker (see Figure 5) ................................... |
11 |
Figure 5. Panaray LT 6403 Loudspeaker Exploded View .................................................................... |
12 |
Main Part List, Panaray LT 6400 Mid/High Frequency Loudspeaker (see Figure 6) .................. |
13 |
Figure 6. Panaray LT 6400 Loudspeaker Exploded View .................................................................... |
14 |
Main Part List, Panaray LT 9403 Full-Range Loudspeaker (see Figure 7) ................................... |
15 |
Figure 7. Panaray LT 9403 Loudspeaker Exploded View .................................................................... |
16 |
Main Part List, Panaray LT 9400 Mid/High Frequency Loudspeaker (see Figure 8) .................. |
17 |
Figure 8. Panaray LT 9400 Loudspeaker Exploded View .................................................................... |
18 |
Disassembly Procedures ............................................................................................................... |
19-21 |
Test Procedures .............................................................................................................................. |
21-22 |
Figure 9. Input Board Layout Diagram ................................................................................................. |
23 |
LT 6403 and LT 9403 Crossover Board Layout Diagram .................................................................. |
24 |
LT 6400 and LT 9400 Crossover Board Layout Diagram .................................................................. |
25 |
LT 6403 and LT 9403 Crossover Wiring Diagrams ............................................................................ |
26 |
LT 6400 Mid/High Loudspeaker Crossover Wiring Diagram .......................................................... |
27 |
LT 9400 Mid/High Loudspeaker Crossover Wiring Diagram .......................................................... |
27 |
LT 6403 and LT 9403 Passive or Bi-amp Loudspeaker Configuration ........................................... |
28 |
Rotating the Waveguide ....................................................................................................................... |
29 |
High Frequency Compression Driver Replacement Procedure ................................................... |
30 |
High Frequency Compression Driver Diaphragm Replacement Procedure......................... |
30-31 |
Accessories Used With the Panaray LT Loudspeakers .................................................................. |
32 |
Service Manual Revision History ....................................................................................................... |
33 |
CAUTION: The Bose® Panaray LT 6403 and LT 9403 Full Range loudspeakers and LT 6400 and LT 9400 Mid/High Frequency 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 6403, LT 9403, LT 6400 and LT 9400 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.
1
Specifications
LT 6403 Full Range Loudspeaker |
Top/Bottom |
Dimensions:
22.2" D x 24.10" W x 34.4" H (612mm x 564mm x 873mm)
Weight:
Unpacked: 135lb (61kg)
Packaged: 160lb (73kg)
Rear |
Side |
Front |
Front (with Grille) |
LT 9403 Full Range Loudspeaker |
Top/Bottom |
Dimensions:
22.2" D x 24.10" W x 34.4" H (612mm x 564mm x 873mm)
Weight:
Unpacked: 135lb (61kg)
Packaged: 160lb (73kg)
Rear |
Side |
Front |
Front (with grille) |
|
2
Specifications
LT 6400 Mid/High Frequency Loudspeaker
Dimensions:
22.6" D x 24.10" W x 25.2" H (574mm x 612mm x 640mm)
Weight:
Unpacked: 80 lb (36.29 kg)
Packaged: 102 lb (46.27 kg)
LT 9400 Mid/High Frequency Loudspeaker
Dimensions:
22.6" D x 24.10" W x 25.2" H (574mm x 612mm x 640mm)
Weight:
Unpacked: 80 lb (36.29 kg)
Packaged: 102 lb (46.27 kg)
3
Specifications
Acoustical Specifications |
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LT 6403 and LT 9403 |
Passive |
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Bi-Amped |
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Full-Range Speakers |
(Full Range) |
Low |
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Mid/High |
Power Handling |
500W |
300W |
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100W |
Impedance |
8 Ohms |
8 Ohms |
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8 Ohms |
Sensitivity (1W/1M) |
94 dB SPL |
93 dB SPL |
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100 dB SPL |
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Maximum SPL (pink noise @ |
121 dB SPL |
118 dB SPL |
120 dB SPL |
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1M @ rated power) |
127 dB SPL (peak) |
124 dB SPL (peak) |
126 dB SPL (peak) |
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Recommended Crossover |
Internal Crossover: |
Low Frequency |
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Low Frequency |
HPF: 50 Hz, 4th order or better |
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@ 300Hz |
LPF: 300Hz, 2nd order or better |
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Mid/High @ 1.8kHz |
Mid/High Frequency |
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HPF: 300Hz, 2nd order or better |
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Frequency Range (+3 dB) |
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50 Hz - 16 kHz |
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Beamwidth (-6dB point, |
6403 Speaker: Horizontal: 65 degrees, Vertical: 52 degrees |
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average 800 - 5 kHz) |
9403 Speaker: Horizontal: 93 degrees, Vertical: 49 degrees |
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LT 6403 Active Equalization Curve
LT 9403 Active Equalization Curve
4
Specifications
Acoustical Specifications |
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LT 6400 and LT 9400 |
LT 6400 |
LT 9400 |
Mid/High Frequency Speakers |
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Power Handling |
100W |
100W |
Impedance |
8 Ohms |
8 Ohms |
Sensitivity (1W/1M) |
100 dB SPL |
101 dB SPL |
Maximum SPL |
120 dB SPL |
121 dB SPL |
(pink noise @ 1M @ rated power) |
126 dB SPL (peak) |
127 dB SPL (peak) |
Internal Crossover |
Mid/High Frequency |
Mid/High Frequency |
|
@ 1.8kHz |
@ 1.8kHz |
Frequency Range (+3 dB) |
200 Hz - 16 kHz |
200 Hz - 16 kHz |
Beamwidth |
Horizontal: 65 degrees, |
Horizontal: 93 degrees, |
(-6dB point, average 800 - 5 kHz) |
Vertical: 52 degrees |
Vertical: 52 degrees |
LT 6400 Active Equalization Curve |
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LT 9400 Active Equalization Curve
5
Product Descriptions
Panaray® LT 6403 and LT 9403 Full-Range Loudspeakers
The Bose® Panaray LT 6403 and LT 9403 Full-Range loudspeakers are full range, three way devices. They use a 15" woofer, a V2 mid-frequency driver and a 1.0" compression driver mounted on a 60 x 40 (LT 6403) or a 90 x 40 (LT 9403) constant directivity horn assembly. This horn assembly can be rotated 90 degrees to allow sideways placement of the speakers.
These loudspeakers can be operated in passive or bi-amplified mode.
•In passive mode, the internal passive crossover network is utilized and a single amplified signal is connected to the loudspeaker.
•In bi-amplified mode, the low-frequency and mid/high-frequency drivers are accessed through separate pins on the NL4 connectors.
Panaray LT 6400 and LT 9400 Mid/High Frequency Loudspeakers
The Panaray LT 6400 and LT 9400 Mid/High Frequency Loudspeakers are essentially the same as the LT 6403 and LT 9403 full range versions, but without the 15" woofer. They use a V2 midfrequency driver and a 1.0" compression driver mounted on a 60 x 40 (LT 6400) or a 90 x 40 (LT 9400) constant directivity horn. The horn assembly in the LT 6400 and LT 9400 can be rotated 90 degrees as in the LT 6403 and LT 9403.
Active equalization of all four loudspeakers can be provided by using the ControlSpaceTM ESP-88 or the Panaray Digital System controller which has presets for each Panaray speaker and combination of speakers. A parametric equalizer can also replicate the active equalization curves on the previous pages, along with high-pass and low-pass filters as shown.
All of these speakers have sixteen steel threaded inserts - four top, four bottom and four on each side. Threaded inserts are SAE 3/8 - 16 thread, with at least 18 usable threads.
Hanging hardware for these speakers can be purchased from ATM Flyware at http://www.atmflyware.com.
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.
6
Packing List
Panaray® LT 6403 Full-Range Loudspeaker
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Item |
Description |
Bose® Part |
Vendor Part |
Qty. |
Number |
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Number |
Number |
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KIT, CARTON, 6403FR, CONSISTS OF: |
286539 |
- |
|
1 |
EPE COVER |
- |
LT6403-5-111 |
2 |
2 |
CUSHIONING MATERIAL |
- |
LT6403-5-106 |
1 |
3 |
PE BAG |
- |
LT9702-III-5-108 |
1 |
4 |
OWNER'S MANUAL |
286541 |
BOSE/LT6403 |
1 |
5 |
PE BAG |
- |
LT6403-5-109 |
1 |
6 |
TRIANGLE PAPER |
- |
LT6403-5-103 |
4 |
7 |
CARTON, LT6403 |
- |
LT6403-5-107 |
1 |
1
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5 |
2 |
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6 |
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3 |
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4 |
6 |
6 |
6
1
7
Figure 1. Panaray LT 6403 Packaging View
7
Packing List
Panaray® LT 6400 Mid/High Frequency Loudspeaker
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Item |
Description |
Bose® Part |
Vendor Part |
Qty. |
Number |
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Number |
Number |
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1 |
PAPER, LT6400, 674X712X120MM |
- |
LT6400-5-101 |
2 |
2 |
CUSHIONING MATERIAL, LT6400, |
- |
LT6400-5-102 |
2 |
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674X712X120MM |
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3 |
PE BAG, 1425X1100X0.04MM |
- |
LT6400-5-103 |
1 |
4 |
TRIANGLE PAPER, LT6403, |
- |
LT6400-5 |
2 |
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618X575X0.3MM |
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5 |
USER MANUAL |
276859 |
- |
1 |
6 |
PE BAG, 310X220X0.04MM |
- |
LT6400-5 |
1 |
7 |
CARTON, LT6400, 698X726X774MM |
- |
LT6400-5-104 |
1 |
Figure 2. Panaray LT 6400 Packaging View
8
Packing List
Panaray® LT 9403 Full-Range Loudspeaker
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Item |
Description |
Bose® Part |
Vendor Part |
Qty. |
Number |
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Number |
Number |
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KIT, CARTON, 9403FR, CONSISTS OF: |
286540 |
- |
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1 |
EPE COVER |
- |
LT6403-5-111 |
2 |
2 |
CUSHIONING MATERIAL |
- |
LT6403-5-106 |
1 |
3 |
PE BAG |
- |
LT9702-III-5-108 |
1 |
4 |
OWNER'S MANUAL |
286541 |
BOSE/LT9403 |
1 |
5 |
PE BAG |
- |
LT6403-5-109 |
1 |
6 |
TRIANGLE PAPER |
- |
LT6403-5-103 |
4 |
7 |
CARTON, LT6403 |
- |
LT6403-5-107 |
1 |
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1 |
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5 |
2 |
6 |
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3 |
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4 |
6
6
6
1
7
Figure 3. Panaray LT 9403 Packaging View
9
Packing List
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Panaray® LT 9400 Mid/High Frequency Loudspeaker |
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Item |
Description |
Bose® Part |
Vendor Part |
Qty. |
Number |
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Number |
Number |
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1 |
PAPER, LT6400, 674X712X120MM |
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LT6400-5-101 |
2 |
2 |
CUSHIONING MATERIAL, LT6400, |
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LT6400-5-102 |
2 |
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674X712X120MM |
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3 |
PE BAG, 1425X1100X0.04MM |
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LT6400-5-103 |
1 |
4 |
TRIANGLE PAPER, LT6403, |
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LT6400-5 |
2 |
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618X575X0.3MM |
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5 |
USER MANUAL |
276859 |
- |
1 |
6 |
PE BAG, 310X220X0.04MM |
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LT6400-5 |
1 |
7 |
CARTON, LT6400, 698X726X774MM |
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LT6400-5-104 |
1 |
Figure 4. Panaray LT 9400 Packaging View
10
Main Part List
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Panaray® LT 6403 Full-Range Loudspeaker (see Figure 5) |
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Item |
Description |
Part Number |
Part Number |
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Qty. |
Note |
Number |
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for Product |
for Product |
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Code 037830 |
Code 040180 |
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and 037831 |
and 040181 |
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1 |
GRILLE ASSY, LTFR, BLACK |
286533 |
297530 |
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1 |
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GRILLE ASSY, LTFR, WHITE |
291903 |
298590 |
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(INCLUDES SCREWS, TAPE, |
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LOGO, FASTENER & SPRING) |
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2 |
SCREWS, GRILLE, BLACK |
276847 |
276847 |
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24 |
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SCREWS, GRILLE, WHITE |
291904 |
291904 |
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3 |
GASKET, INPUT PANEL |
- |
- |
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1 |
4 |
4 |
INPUT PANEL ASSY, BLACK |
286534 |
297531 |
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1 |
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INPUT PANEL ASSY, WHITE |
291906 |
299313 |
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5 |
SCREW, INPUT PANEL |
- |
- |
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6 |
4 |
6 |
CROSSOVER BOARD ASSY |
286536 |
297508 |
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1 |
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7 |
TRANSFORMER, AUDIO |
285256 |
298547 |
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1 |
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8 |
1 INCH COMPRESSION DRIVER |
286543 |
286543 |
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1 |
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9 |
V2 SPEAKER ASSY, BLACK |
276850 |
298172 |
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1 |
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V2 SPEAKER ASSY, SILVER |
292117 |
298559 |
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10 |
WOOFER, 15 INCH, LTFR |
286542 |
286542 |
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1 |
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11 |
SCREW, WOOFER |
286538 |
297532 |
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8 |
4 |
- |
LOGO ASSY, LT FR, BLACK |
276848 |
276848 |
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1 |
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LOGO ASSY, LT FR, WHITE |
291905 |
291905 |
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(INCLUDES LOGO, TAPE, |
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FASTENER & SPRING) |
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- |
KIT, DIAPHRAGM, 1 INCH |
286544 |
286544 |
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1 |
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COMPRESSION DRIVER, LTFR |
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- |
SCREW, 3/8 X 16, LT-III |
289971 |
289971 |
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16 |
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Note: Product codes 040180 and 040181 are RoHS compliant versions of the Model |
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6403 loudspeaker. Only the RoHS compliant parts listed in the above table can be used. |
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The Model 6403 loudspeaker, product codes 037830 and 037831 can use both part |
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numbers listed above. |
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11
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