Skip to content Skip to navigation

Bosch Security and Safety Systems North America

PRODUCT FAMILY

LBB442x/xx Power amplifier

LBB442x/xx Power amplifier

Power amplifier, 8x60W

Commercial Type No. LBB4428/00
Product No. F.01U.029.447

LBB442x/xx Power amplifier

Power amplifier, 8x60W

Commercial Type No. LBB4428/00-US
Product No. F.01U.083.924

Voltage 100 to 240 VAC ±10%, 50/60 Hz
Power consumption Pmax -3 dB* / idle** / standby
   LBB 4421/10 404 / 56 / 28 W
   LBB 4422/10 402 / 60 / 28 W
   LBB 4424/10 426 / 83 / 37 W
   LBB 4428/00 433 / 90 / 32 W
Voltage 48 VDC -10% to +20%
Power consumption Pmax -3 dB* / idle** / standby
   LBB 4421/10 380 / 46 / 20 W
   LBB 4422/10 378 / 50 / 21 W
   LBB 4424/10 399 / 76 / 28 W
   LBB 4428/00 397 / 63 / 22 W
Mic/line inputs 2 x (4 x for LBB 4428/00)
Connector 6-pole header for removable screw connector (mono, balanced)
Frequency response -3 dB @ 50 Hz and 20 kHz (±1 dB)
S/N >87 dBA
CMRR >40 dB @ 1 kHz
Input range -6 dBV to 6 dBV
Input impedance 22 kohm
Frequency response -3 dB @ 100 Hz and 16 kHz

Supervision control board

Commercial Type No. LBB4440/00
Product No. F.01U.513.883

Line and loudspeaker supervision master PCB for mounting in a Praesideo network connected power amplifier, one board is needed per channel.

End-of-line supervision set

Commercial Type No. LBB4442/00
Product No. F.01U.074.440

Master and slave PCB for supervising a single loudspeaker line. The master is mounted in a Praesideo network connected power amplifier (one per channel); the slave is connected at the end of the loudspeaker line.

Title Type Language
Title
Declaration of Conformity
Type
PDF
Language
en-US 
Title
Declaration of Conformity
Type
PDF
Language
en-US 
Title
GL
Type
PDF
Language
Title
Datasheet
Type
PDF
Language
forward-right_adjusted