Bosch professional horn speaker system contains three types

 of actuators, which can be installed in one of the compatible round and square horn speakers (provided separately without exciter). The exciter is mounted in the horn speaker using standard 1 3 / 8 inch threaded screws. All models are corrosion resistant. System overview LBN 9000 / 00 is a 15 W actuator and LBN 9001 / 00 is a 30 W actuator. They are connected to the 100 V line via push type fork terminals. The LBN 9003 / 00 is a more powerful 50 W actuator. It is connected to the 100 V line via screw terminals. Basic function all actuators are equipped with a matching transformer for power jumper. See the circuit diagram on the next page. In addition, this feature allows matching the appropriate impedance for different types of power amplifiers. These actuators are suitable for a wide range of horn speakers, enabling customized solutions for different sound reinforcement applications. These exciters can be used in three round horn speakers (LBC 3403, LBC 3404 and LBC 3405 with diameters of 255, 380 and 510 mm) and a square horn speaker (LBC 3406, size 380 x 235 mm). These horn loudspeakers are made of flame retardant plastic with high strength and light weight, and the surface coating is light gray. In addition, a strong steel mounting bracket is attached. See separate data sheet. Certificate and accreditation all Bosch loudspeakers meet IEC 268-5 power handling capacity (PHC) standard and can operate continuously for 100 hours at rated power. In addition, Bosch has conducted simulated acoustic feedback exposure (SAFE) tests to ensure that they can withstand twice the rated power in a short period of time. This ensures high reliability of loudspeakers in extreme conditions, improves customer satisfaction, extends service life, and significantly reduces the probability of failure or performance degradation. Installation / configuration LBN 9000 / 00 108 (4.25) 68 (2.68) dia. 92 (3.62) 51 (2.00) 1 3 / 8 "- 18 unef-2a dimensions in mm [in]

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