LBC 3483/00 Horn Loudspeaker - Bosch Security Systems
LBC 3483/00 Horn Loudspeaker - Bosch Security Systems
LBC 3483/00 Horn Loudspeaker - Bosch Security Systems
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2 | <strong>LBC</strong> <strong>3483</strong>/<strong>00</strong> <strong>Horn</strong> <strong>Loudspeaker</strong>Safety acc. to EN 6<strong>00</strong>65Water and dust protection acc. to IEC 60529, IP 65Emergency acc. to EN 54‐24 / BS 5839‐8 /EN 60849Wind‐force acc. to NEN 6702: 2<strong>00</strong>7 + A1: 2<strong>00</strong>8,Bft11011/21/416 ΩRegionCertificationCircuit diagramEuropePolandCECPDCNBOPCNBOPInstallation/configuration notesSimple Power SettingThe horn has a three-way terminal block with screwconnection (including earth). Three primary taps areprovided on the matching transformer to allowselection of nominal full-power, half-power or quarterpowerradiation (in 3 dB steps).MountingThe horn loudspeakers are supplied complete withsturdy adjustable steel mounting brackets, allowingthe sound beam to be accurately directed.SPL(dB)10dB9031.5 63 125 250 5<strong>00</strong> 1<strong>00</strong>0 2k 4k 8k 16kFrequency (Hz)Frequency response0˚ 0˚030˚30˚-1060˚60˚-2090˚90˚120˚-20-10120˚150˚0180˚ 180˚150˚Dimensions in mm (in)mmin371.45250 Hz5<strong>00</strong> Hz1<strong>00</strong>0 Hz2<strong>00</strong>0 Hz4<strong>00</strong>0 Hz8<strong>00</strong>0 Hz51.02.0204.08.051.02.0102.04.03.<strong>00</strong>.12Polar diagram (measured in pink noise)Octave band sensitivity *37.018.5 1.450.73Octave SPL1W/1mTotal octaveSPL1W/1m125 Hz 74.0 - -Total octaveSPLPmax/1m250 Hz 91.7 - -Bracket dimensions10.8 x 3.<strong>00</strong>.43 x 0.12mmin5<strong>00</strong> Hz 102.5 - -1<strong>00</strong>0 Hz 111.3 - -2<strong>00</strong>0 Hz 106.5
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