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Bosch professional horn speaker system allows many different actuators to be installed in various horn speaker housings. The system consists of four horn speaker shells, three of which are circular speakers with opening diameters of 255, 380 and 510mm respectively; The other is a rectangular speaker with an opening size of 390 x 235 mm. The basic function exciter (ordered separately) is installed inside the horn speaker, and its connecting cable passes through the cable sealing plug on the cover plate and is connected out. This makes the speaker horn / exciter prevent liquid splashing, so it is ideal for outdoor sound reinforcement applications. Three types of exciters are available for speakers: 15 W, 30 W and 50 W (only for 100 V lines). Refer to separate data sheets. Horn speakers maximize the use of standard components of the modular concept. The screws securing the actuator are standard 1 3 / 8 inch threads (1 3 / 8 inch - 18 unef-2a). The exquisite design of the shell makes the loudspeaker unique and unique. Optional line / speaker monitoring board (and emergency connection adapter) can be installed on the inner surface of the cover plate. In addition, the speaker is additionally equipped with an opening for loop wiring (if a loop is used, the optional cable sealing plug PG 13.5 provided additionally must be used). These loudspeakers are made of high-strength flame-retardant plastic, which is light and strong. This durable material can not only prevent ultraviolet rays, but also resist the corrosive environment and most industrial chemicals. The color of the speaker (including the bracket) is light gray. The rugged steel mounting bracket (st 37 ? 2 DIN 1652) allows users to easily install horn speakers and adjust direction. Certificate and approval waterproof and dustproof in accordance with IEC 60529 IP 65 standard (all models) flame retardant in accordance with UL 94 VO standard installation / configuration 155 6.10 307 12.09 387 15.24 199 7.83 255 10.04 LBC 3403 / 16 size in mm [inch] 199 7.83 155 6.10 422 16.61 380 14.96 LBC 3404 / 16 size in mm [inch] 199 7.83 155 6.10 487 19.17 510 20.08 LBC 3405 / 16 size in mm [inch] 390 15.35 155 6.10 422 16.61 199 7.83 235 9.25 LBC 3406 / 16 dimensions in millimeters [inches] 222 8.74 210 3 holes 11 dia 3 holes 0.43 dia. 2 x 70 2 x 2.76 11 0.43 20 0.79 30 1.18 8.27 all models mounting bracket dimensions (in millimeters [inches]) ordering information LBC 3403 / 16 horn speaker, round, 10 inch horn without actuator, 10 inch horn without actuator, round, high-strength ABS material, suitable for use with horn actuators lbn9000 / 00 (15 W), LBN 9001 / 00 (30 W) and lbn9003 / 00 (50 W), light gray ral 7035. Order No. lbc3403 / 16 LBC 3404 / 16 horn speaker, round, 15 inch (without actuator) horn, 14 inch, without actuator device, round, high-strength ABS material, suitable for use with horn actuators lbn9000 / 00 (15 W), LBN 9001 / 00 (30 W) and lbn9003 / 00 (50 W), light gray ral 7035. Order No. lbc3404 / 16 LBC 3405 / 16 horn speaker, round, 20 inch (without actuator) horn, 20 inch, without actuator device, round, high-strength ABS material, suitable for use with horn actuators lbn9000 / 00 (15 W), LBN 9001 / 00 (30 W) and lbn9003 / 00 (50 W), light gray ral 7035. Order No. lbc3405 / 16 LBC 3406 / 16 horn speaker, rectangular, 9 x 15 inch horn without actuator, 15 x 9 inch horn without actuator, rectangular, high-strength ABS material, suitable for use with horn actuators lbn9000 / 00 (15 W), LBN 9001 / 00 (30 W) and lbn9003 / 00 (50 W), light gray ral 7035. Order No. lbc3406 / 16 hardware accessory LBC 1256 / 00 evac connection adapter emergency connection adapter, 3-pin screw ceramic connector with pre installed temperature fuse, which can be connected in series with 100 V main connection line of loudspeaker unit (100 per set). Order No. lbc1256 / 00 LBN 9000 / 00 actuator, 15 W horn actuator, 15 W for use with lbc3403 / 16 (10 inches), lbc3404 / 16 (14 inches), lbc3405 / 16 (20 inches) and lbc3406 / 16 (15 x 9 inches). Order No. lbn9000 / 00, LBN 9001 / 00 actuator, 30 W horn actuator, 30 W for use with lbc3403 / 16 (10 inches), lbc3404 / 16 (14 inches), lbc3405 / 16 (20 inches) and lbc3406 / 16 (15 x 9 inches). Order No. lbn9001 / 00, LBN 9003 / 00 actuator, 50 W horn actuator, 50 W for use with lbc3403 / 16 (10 inches), lbc3404 / 16 (14 inches), lbc3405 / 16 (20 inches) and lbc3406 / 16 (15 x 9 inches). Order No.: lbn9003 / 00

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