File name Speaker 131.pdf
Bose® 131TM Marine Loudspeaker System
1997 Bose Corporation
Part Number 190318 REV 00
Specifications ... 2 Disassembly/Assembly Procedure ... 3 Figure 1. Exploded View ... 3 Test Procedure ... 4 Part List Notes ... 5 Part List ... 6 Figure 2. Parts Exploded View ... 6
External Dimensions: Single Speaker: Packed System: Weight: Single Speaker: Packed System: Transducer: Internal Cabinet Volume: Impedance: Resonance Frequency: Power Handling: Sensitivity: One 4.5" Driver 2.65 Liters 4 nominal (3.2 min) 90Hz 40watts Continuous (per IEC-268-5) 86dB SPL, Free-Field (per IEC-268-5) 1w, 1m 20Hz - 20kHz 30.5 x 16.5 x 12.7cm 12" x 6.5" x 5" 35.5 x 30.5 x 19.7cm 14" x 12" x 7.75" 1.8kg (4.0 LB) 4.3kg (9.5 LB) per Speaker
CAUTION: THE BOSE® 131TM LOUDSPEAKER CONTAINS NO USER-SERVICEABLE PARTS. TO PREVENT WARRANTY INFRACTIONS, REFER SERVICING TO WARRANTY SERVICE STATIONS OR FACTORY SERVICE.
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. Driver Removal Note: Numbers in parentheses correspond to the callouts in Figure 1. 1.1 Remove the three screws (3) that secure the driver to the enclosure (1). 1.2 Lift the driver (2) out of the enclosure. 1.3 Cut the two wires connected to the driver as close to the terminals as possible and remove the driver. 2. Driver Replacement 2.1 Connect the two wires to the driver's terminals. The red wire connects to the + terminal and the black wire connects to the - terminal. 2.2 Secure the driver (2) to the enclosure (1). Be sure to align the gasket to provide an airtight seal. 2.3 Check the driver's response using the test procedure in this manual.
Figure 1. Exploded View 4
1. Phase Test 1.1 Momentarily apply 13.3 ± 1Vdc to the speaker input terminals. Observe polarity when connecting the dc power supply. The driver should move outward. 2. Air Leak