Bosch PLENA LBB1938/30 - Technical Data; Electrical Specifications; Performance Specifications

20 en | Technical data PLENA power amplifiers
2018.11 | V1.2 | LBB193x/x0 Installation and operation manual Bosch Security Systems B.V.
10 Technical data
10.1 Electrical
10.1.1 Mains voltage
LBB1930/20, LBB1935/20 230/115VAC , ± 10%, 50/60Hz
LBB1938/30 220/230VAC, ± 10%, 50/60Hz
LBB1938/70 110VAC, 50/60Hz
10.1.2 Battery voltage
Battery voltage 24VDC, 20 - 26.5V
10.1.3 Rated power
LBB1930/20 400 VA
LBB1935/20 960 VA
LBB1938/x0 1600 VA
10.2 Performance
10.2.1 Signal performance
Frequency response 50 Hz - 20 kHz (+1/-3 dB @ -10 dB ref. rated
output)
Distortion <1% @ rated output, 1 kHz
10.2.2 Signal-to-Noise Ratios
LBB1930/20 > 80 dB
LBB1935/20 > 85 dB
LBB1938/x0 > 90 dB