Line Inputs; Loudspeaker Outputs - Bosch Plena LBB1930/20 Installation And Operation Manual

Plena Power Amplifiers
10.2.3

Line inputs

3 pin XLR balanced
Sensitivity
Impedance
CMRR
100V input, screw unbalanced
Sensitivity
Impedance
10.2.4

Loudspeaker outputs

Line loopthrough output (3 pin XLR balanced)
Nominal level
Impedance
Maximum rated output power - 70/100V output
LBB 1930/20
LBB 1935/20
LBB 1938/x0
8 Ohm outputs
LBB 1930/20
LBB 1935/20
LBB 1938/x0
Power reduction@24 V battery operations
Reference rated power
Bosch Security Systems B.V.
1 V
20 kohm
> 40 dB (50 Hz - 20 kHz)
100 V
330 kohm
1 V
Direct connection to line input
240 W
240 W
480 W
31 V / 120 W
44 V / 240 W
62 V / 480 W
-1 dB (LBB 1935/20)
-2 dB (LBB 1930/20 LBB 1938/x0)
Installation and Operation manual
Technical data | en 21
2014.01 | V1.1 | LBB193x/x0