Bosch LBB 1930 - Technical Specifications; Electrical Data; Performance Characteristics; Input Specifications

Bosch Security Systems | 2003-09 | 3922 988 92983en
Plena Booster Amplifier | Installation and Operating Manual | en | 19
6 Technical data
6.1 Electrical
Mains voltage
LBB1930/00, LBB1935/00 230/240 Vac, ±10%, 50/60 Hz
LBB1930/50, LBB1935/50 110 Vac, ±10%, 50/60 Hz
LBB1938/00 230 Vac, ±10%, 50/60 Hz
Max mains power consumption
LBB1930/x0 400 VA
LBB1935/x0 800 VA
LBB1938/00 1600 VA
Max mains inrush current
LBB1930/00 8 A
LBB1930/50 16 A
LBB1935/00 9 A
LBB1935/50 19 A
LBB1938/00 19 A
Battery voltage 24 Vdc, +20%/-10%
Max battery current
LBB1930/x0 6 A
LBB1935/x0 11 A
LBB1938/00 30 A
6.2 Performance
Frequency response 50 Hz - 20 kHz (+1/-3 dB @ -10 dB ref. rated output)
Distortion < 1% @ rated output, 1 kHz
S/N (flat at max volume)
LBB1930/x0 > 80 dB
LBB1935/x0 > 85 dB
LBB1938/00 > 90 dB
6.3 Inputs
Line input (3-pin XLR, 6.3 mm phone jack, balanced) - LBB1930/x0, LBB1935/x0
Sensitivity 1 V
Impedance 20 kOhm
CMRR > 25 dB (50 Hz - 20 kHz)
Line input 1, 2 (3-pin XLR, balanced) - LBB1938/00
Sensitivity 1 V
Impedance 20 kOhm
CMRR > 25 dB (50 Hz - 20 kHz)
100 V input (Screw, unbalanced)
Sensitivity 100 V
Impedance 330 kOhm
Tech n i c a l d a t a