Loudspeaker Type
Bosch LA1-UM20E-1 20W Metal Column Loudspeaker
Power Tapping
Power Tapping of 20 / 10 / 5 / 2.5 W
Protection
Slim-line weatherproof design
Thermal fuse, heat-resistant, and high temperature wiring.
Sound Pressure Level
1 W (1 kHz, 1 m) : 105 / 92 dB (SPL)
1 W (4 kHz, 1 m) : 108 / 95 dB (SPL)
Effective Frequency Range
240 Hz to 16 kHz (-10dB)
Voice Alarm
The LA1-UM20E-1 are designed for voice alarm systems.
Opening Angle
Horizontal opening angle at 1 kHz / 4 kHz (-6 dB) : 210°/ 94°
Vertical opening angle at 1 kHz / 4 kHz (-6 dB) : 80°/ 22°
Applications
It is an ideal for both indoor and outdoor use in passenger terminals, places of worship, conference venues, parks, swimming pools, factories, exhibition areas.
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Electrical |
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Maximum power |
30 W |
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Rated power (PHC) |
20 W |
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Power tapping |
20 / 10 / 5 / 2.5 W |
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Sound pressure level at rated power / 1 W (1 kHz, 1 m) |
105 / 92 dB (SPL) |
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Sound pressure level at rated power / 1 W (4 kHz, 1 m) |
108 / 95 dB (SPL) |
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Effective frequency range (-10 dB) |
240 Hz to 16 kHz |
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Horizontal opening angle at 1 kHz / 4 kHz (-6 dB) |
210°/ 94° |
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Vertical opening angle at 1kHz/4kHz (-6 dB) |
80°/ 22° |
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Rated input voltage |
12.65/70/100 V |
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Rated impedance |
8/251/500 ohm |
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Mechanical |
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Dimensions (L x W x D) |
450 x 84 x 96 mm |
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Weight |
2.9 kg (6.4 lb) |
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Color |
White (RAL 9010) |
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Material (housing and grille) |
Extruded aluminum / steel |
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Connection |
2 m (78.8 in) 3-wire cable |
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Connector (phase, common, earth) |
3‑pole screw block |
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Environmental |
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Operating temperature |
-25 ºC to +55 ºC (-13 ºF to +131 ºF) |
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Storage temperature |
-40 ºC to +70 ºC (-40 ºF to +158 ºF) |
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Relative humidity |
<95% |