Bosch high-efficiency horn loudspeakers provide
excellent speech reproduction and sound distribution
for a wide scope of outdoor applications. They are
ideal for sports grounds, parks, exhibitions, factories
and swimming pools.
The LBC 3483/00 is a circular, 35 W horn loudspeaker,
measuring 490 mm (19.6 in) in diameter. They are
made from aluminum. The edges of the horns are
covered with a PVC profile for protection against
impact damage. They are light grey (RAL 7035), and
are water and dust protected.
Voice alarm loudspeaker
The LBC 3483/00 is designed for use in voice alarm
systems and is compliant with emergency standards.
The horn loudspeaker has built-in protection to ensure
that, in the event of a fire, damage to the loudspeaker
does not result in failure of the circuit to which it is
connected. In this way, system integrity is maintained;
ensuring loudspeakers in other areas can still be used
to inform people of the situation. The Horn
loudspeaker has a ceramic terminal block, thermal
fuse and heat resistant, high-temperature wiring.
They have provision for inside mounting the optional
line/loudspeaker supervision boards
BOSCH LBC 3483/00 ลำโพงฮอร์น Hornlautsprecher
The Bosch LBC 3483/00 is an aluminium, circular 35 watt horn loudspeaker, certifed EN54-24 compliant for voice alarm systems.
The high efficiency design and large flare measuring 490 mm (19.5 in) in diameter, provide excellent speech reproduction and sound distribution for a variety of outdoor applications.
The LBC3483/00 is ideal for sports grounds, parks, exhibitions, factories and swimming pools.
Fully compliant with all voice alarm standards.
High efficiency driver
Excellent speech reproduction
Provision for inside mounting of the optional line/loudspeaker supervision board
Water resistant and dust protected to IP 65
EN 54‑24 certified, complies with all voice alarm standards
BS 5839‑8 and EN 60849 compliant
Stainless steel U bracket
สเปค
Maximum power 52.5 W
Rated power 35 / 17.5 / 8.75 W
Sound pressure levelat 35 W / 1 W (1 kHz, 1 m) 127 dB / 112 dB (SPL)
Effective frequency range (-10 dB) 380 Hz to 5 kHz
Opening angle at 1 kHz/4 kHz (-6 dB) 50° / 25°
Rated voltage 100 V
Rated impedance 286 ohm
Connector Screw terminal block
Dimensions (L x Dmax) 499 x 490 mm (20 x 19.6 in)
Weight 4.5 kg (9.9 lb)
Color Light grey (RAL 7035)
Cable diameter 6 mm to 12 mm(0.24 in to 0.47 in)
Operating temperature -25 ºC to +55 ºC (-13 ºF to +131 ºF)
Storage temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)
Relative humidity <95%
