Bose 302 a loudspeaker manual r02

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2 CAUTION: The Bose 302A loudspeaker contains no user serviceable parts. To prevent warranty infractions, refer servicing to warranty service centers 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 CEN- TER OR OWNER OF THE BOSE PRODUCT, AND SHALL NOT BE REPRODUCED OR USED FOR ANY OTHER PURPOSE. WARRANTY INFORMATION The Bose 302A loudspeaker is covered by a five year transferable limited warranty. PRODUCT DESCRIPTION The Bose ® 302-„¢ A loudspeaker is designed for surface-mount commercial 70V/100V distributed indoor and outdoor applications. Designed to be mounted on a wall, ceiling or overhang, the 302A loudspeaker is packaged with mounting brackets that contain a 70V or 100V multi-tap (12W, 25W, 50W and 100W) transformer. Each 302A loudspeaker contains one 5.25 environmentally resistant woofer in a two-chamber configuration and two 2.5 environmentally resistant Twiddler-„¢ drivers vertically stacked and angled for maximum horizontal dispersion. Contents Product Description ......................................................................................................................... 2 Specifications.................................................................................................................................... 3 Disassembly/Assembly Procedures ........................................................................................... 4-5 Transformer Wiring ........................................................................................................................... 5 Figure 2. Transformer Wiring ................................................................................................................5 Figure 1. Wiring Diagram .....................................................................................................................5 Test Procedures ................................................................................................................................ 6 Figure 3. Schematic Diagram ..............................................................................................................6 Part List .............................................................................................................................................. 7 Figure 4. Exploded View ......................................................................................................................7 Packaging Part List ........................................................................................................................... 8 Figure 5. Packaging View ....................................................................................................................8 Table of contents .................................................................................................................................9

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3 SPECIFICATIONS Transducers: One 5.25" environmental woofer per enclosure Two 2.5" environmental resistant Twiddler TM drivers per enclosure Crossover: 250Hz ±10% at 6dB/octave Low frequency cutoff: -3dB at 75Hz ±5Hz Impedance: 70V: 25 Ohms at 100W tap setting 100V: 50 Ohms at 100W tap setting Power Handling: 100W continuous per IEC 268-5 Transformer: Multi-tap 70V/100V (12W, 25W, 50W,100W taps) Frequency range: 75Hz to 16 kHz Sensitivity: >82dB SPL at 1W, 1M (pink noise) Maximum Acoustic Output: 102dB SPL at 1M (pink noise) 102dB SPL at 1M (IEC noise) Dispersion: (-6dB point, average, 1-4 kHz) Horizontal 178 o Vertical 93 o External Dimensions: Single speaker: 13.4"H x 5.7"W x 9.0"D (34 x 14.5 x 23) cm Packed system: 16"H x 17"W x 14.75"D (40.6 x 43.2 37.47) cm Weight: Single speaker: 7.75 lb. (3.5 kg) Packed system: 32.2 lb. (14.6 kg)