Horn, 20" (without driver)

Sale price$247.00


20" Circular Horn (no driver)

Horn 20" without driver unit, circular, high-impact ABS material, suitable for use with horn drivers LBN9000/00 (15 W), LBN 9001/00 (30 W), and LBN9003/00 (50 W), light gray RAL 7035. - LBC 3405/16

  • Excellent acoustic properties
  • Choice of driver units
  • Water and dust protected to IP 65
  • Versatile mounting bracket
  • UV light resistant
  • Self-extinguishing to UL 94 V0
  • Provision for inside mounting of the optional line/loudspeaker supervision board

The Bosch professional horn loudspeaker system allows a range of different driver units to be installed into the various horns. The system includes four horns, three circular types with aperture diameters of 255, 380 and 510 mm and a rectangular model with an opening measuring 390 x 235 mm.

The drivers (ordered separately) are mounted inside the horn, and the connection cable is fed out through a cable gland in the cover plate. This makes the loudspeaker horn/driver unit splash-waterproof, and therefore ideal for outdoor sound reinforcement applications. Three driver units are available, a 15 W, 30 W and a 50 W type for 100 V lines only. See separate datasheet.

In the construction of the horns, maximum use has been made of standard parts in a modular concept. The screw thread for securing the driver units is a standard 1 3/8-inch thread (1 3/8" - 18 UNEF-2A). The shape of the cover plate gives the horns a distinctive and easily recognizable style.

The cover plates have provision on their inside face for mounting the optional line/loudspeaker supervision board (and for mounting the emergency Connection Adapter).

There is also an extra knock-out hole to enable loop- through cabling (if loop-through is used, an extra optional cable gland PG 13.5 must be fitted).
They are made from flame-retardant, high-impact plastic combining strength with low weight. This rugged material is resistant to ultraviolet light, aggressive environments and most industrial chemicals. The horns (incl. brackets) are finished in light grey. The sturdy steel mounting bracket

(ST 37‐2 DIN 1652) allows easy mounting and directing of the horn.

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