Bosch professional horn speaker system allows many

 different actuators to be installed in various horn speaker enclosures. The system consists of four horn speaker housings, three of which are round speakers with opening diameters of 255, 380 and 510 mm, and the other is 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 is connected through the cable sealing plug on the cover plate. This enables the loudspeaker horn / exciter to prevent liquid splashing in, making it an ideal choice for outdoor sound reinforcement applications. For 50 W, 30 W exciter models only. See separate data sheet. The horn loudspeaker adopts the modular concept of standard components to the maximum extent. The screws for fixing the actuator are standard 1 3 / 8 inch threads (1 3 / 8 inch - 18 unef-2a). The design of the shell is exquisite, which makes the loudspeaker unique and unique. An optional line / speaker monitoring board (as well as an emergency connection adapter) can be installed on the inner surface of the cover plate. In addition, the loudspeakers are additionally equipped with openings for loop routing (if loops are used, an additional optional cable sealing plug PG 13.5 must be used). These loudspeakers are made of high strength flame retardant plastic, which is light and strong. This durable material is not only resistant to ultraviolet rays, but also resistant to corrosive environments and most industrial chemicals. The color of loudspeaker (including bracket) is light gray. The rugged steel mounting bracket (st 37 ￣ 2 DIN 1652) allows users to easily install and orient horn speakers. Certificate and approval waterproof and dustproof to IEC 60529, IP 65 (all models) flame retardant to UL 94 VO installation / configuration 155 6.10 307 12.09 387 15.24 199 7.83 255 10.04 LBC 3403 / 16 dimensions in mm [in]) 199 7.83 155 6.10 422 16.61 380 14.96 LBC 3404 / 16 dimensions in mm [in]) 199 7.83 155 6.10 487 19.17 510 20.08 LBC 3405 / 16 dimensions in mm [in]) 390 15.35 155 6.10 422 16.61 199 7.83 235 9.25 LBC 3406 / 16 dimensions in mm [in]) 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 mm [in]) ordering information LBC 3403 / 16 Horn speaker, round, 10 inch (without exciter) horn, 10 inch, no 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. lbc3403 / 16 LBC 3404 / 16 horn, round, 15 "(without actuator), 14", no actuator unit, 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 grey ral 7035. Order number lbc3404 / 16 LBC 3405 / 16 horn, round, 20 inch (without actuator), 20 inch, no actuator unit, 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 (without actuator), 15 x 9 inch, no actuator unit, 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 the 100 V main connection line of the speaker unit (100 per set). Order number lbc1256 / 00 LBN 9000 / 00 exciter, 15W horn actuator, 15W for use with lbc3403 / 16 (10 inches), lbc3404 / 16 (14 inches), lbc3405 / 16 (20 inches) and lbc3406 / 16 (15 x 9 inches) horns. Order No. lbn9000 / 00 LBN 9001 / 00 exciter, 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) horns. Order No. lbn9001 / 00 LBN 9003 / 00 exciter, 50 W horn actuator, 50 W for use with horns 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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