Bosch LB1-UM20E Series, Установочная инструкция

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Technical data
Electrical*
Product LB1‑UM20E‑(D/L) LB1‑UM50E‑(D/L)
Description Premium‑sound Cabinet
Loudspeaker Premium‑sound Cabinet
Loudspeaker
Maximum power 30 W 75 W
Rated power (PHC) 20 W 50 W
Power tapping 20 / 10 / 5 / 2.5 W 50 / 25 / 12.5 / 6.25 W
Sound pressure level
at rated power /
1 W (1 kHz, 1 m) 101 dB / 88 dB (SPL) 108 dB / 91 dB (SPL)
Sound pressure level
at rated power /
1 W (1 kHz, 4 m) 87 dB / 74 dB (SPL) 94 dB / 79 dB (SPL)
Effective frequency range
(-10 dB) 90 Hz to 20 kHz 90 Hz to 20 kHz
Opening angle
at 1 kHz / 4 kHz (-6 dB)
horizontal 174° / 136° 186° / 126°
vertical 127° / 141° 84° / 62°
Product LB1‑UM20E‑(D/L)
Rated input
voltage
Rated impedance 12.65 V 70 V 100 V
20 W 8 Ohm 250 Ohm 500 Ohm
10 W N.A. 500 Ohm 1000 Ohm
5 W N.A. 1000 Ohm 2000 Ohm
2.5 W N.A. 2000 Ohm 4000 Ohm
Product LB1‑UM50E‑(D/L)
Rated input
voltage
Rated impedance 20 V 70 V 100 V
50 W 8 Ohm 100 Ohm 200 Ohm
25 W N.A. 200 Ohm 400 Ohm
12.5 W N.A. 400 Ohm 800 Ohm
6.25 W N.A. 800 Ohm 1600 Ohm
Connector 3‑pole screw block
* Technical performance data acc. to IEC 60268‑5
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4 en | Technical data Metal Cabinet Loudspeaker
2017.02 | V1.03 | Installation note Bosch Security Systems B.V.