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Technical Data - Bosch Plena Power Amplifier Installation And User Instructions Manual

Plena power amplifiers
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Plena Power Amplifier | Installation and User Instructions | Operation
5.2

Technical data

5.2.1
Electrical
Mains voltage:
230/115 V(AC), ± 10%, 50/60 Hz
Rated power:
LBB 1930/20 400 VA
LBB 1935/20 960 VA
LBB 1938/20 1600 VA
LBB 1939/20 3600 VA
Battery voltage:
20.0 to 26.5 V(DC)
5.2.2
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):
LBB 1930/20 > 80 dB
LBB 1935/20 > 85 dB
LBB 1938/20 > 90 dB
PLN-1P1000 > 90 dB
Signal-to-noise ratio (flat at max. volume):
> 85 dB
5.2.3
Inputs
Line input, 3 pin XLR, balanced:
Sensitivity 1 V
Impedance 20 kOhm
CMRR > 40 dB (50 Hz - 20 kHz)
100 V input, screw unbalanced:
Sensitivity 100 V
Impedance 330 kOhm
Bosch Security Systems | 2006-11 | 9922 141 50751en
5.2.4
Loudspeaker outputs
Line loopthrough output (3 pin XLR balanced):
Nominal level 1 V
Impedance direct connection to line input
Loudspeaker outputs:
Maximum rated output power
70/100 V output
LBB 1930/20 180 W / 240 W
LBB 1935/20 360 W / 240 W
LBB 1938/20 720 W / 480 W
PLN-1P1000 1800 W / 1000 W
8 Ohm output:
LBB 1930/20 31 V 120 W
LBB 1935/20 44 V 240 W
LBB 1938/20 62 V 480 W
PLN-1P1000 88 V 1000 W
Output power @ 24 V battery operations:
-1 dB reference rated power
5.2.5
Environmental conditions
Operating temperature range:
-10 to +55 °C
Storage temperature range:
-40 to +70 °C
Relative humidity:
< 95%
5.2.6
General
EMC emission:
According to EN55103-1
EMC immunity:
According to EN55103-2
Acoustic noise level of fan:
< 45 dB SPL @ 1 m at maximum speed
Dimensions:
19" wide,
2 units: 100 mm high, 250 mm deep
3 Units: 145 mm high, 370 mm deep
19" mounting brackets:
included
Weight:
LBB 1930/20 10.5 kg
LBB 1935/20 12.5 kg
LBB 1938/20 25.0 kg
PLN-1P1000 27.0 kg
en | 20

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