Bosch Appliances Car Amplifier LBB 1906/10 User Manual

Bosch

Bosch Security Systems | 2003-09 | 3922 988 92883en

Plena Mixer Amplifier | Installation and Operating Manual | Table of contents

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Table of contents

Important safeguards..........................................................................................................................................................3
About this manual ..............................................................................................................................................................4
Safety precautions...............................................................................................................................................................4
Table of contents ................................................................................................................................................................5

1 About the mixer amplifier ................................................................................................................................................7

Controls and connections (front) .............................................................................................................................8

Controls and connections (rear) ..............................................................................................................................9

2 Internal settings ................................................................................................................................................................10

Setting the VOX for microphone input 1 ............................................................................................................10

Setting the speech filters .........................................................................................................................................10

Setting the chime volume ......................................................................................................................................11

Setting the output voltage for LBB1903, LBB1906 and LBB1912 ....................................................................11

Setting the output voltage for LBB1914 ...............................................................................................................11

3 Installation in rack ...........................................................................................................................................................12
4 External settings and connections .................................................................................................................................13

Connect the DC supply (battery) ..........................................................................................................................13

Priority microphone ...............................................................................................................................................13

Chime ON/OFF-switch .........................................................................................................................................14

Microphone inputs ..................................................................................................................................................15

Emergency input .....................................................................................................................................................15

Music source inputs ................................................................................................................................................16

Connecting the line output ....................................................................................................................................16

Connecting loudspeakers .......................................................................................................................................17

Constant voltage loudspeakers .........................................................................................................................17

Low impedance loudspeakers ..........................................................................................................................18

Mains connection ....................................................................................................................................................18

5 Operation of mixer amplifier .........................................................................................................................................19

Source selection .......................................................................................................................................................19

Volume and tone control .......................................................................................................................................19

Zone selection (LBB1914/10 only) .......................................................................................................................19

6 Technical data ..................................................................................................................................................................20

Electrical ..................................................................................................................................................................20

Performance ............................................................................................................................................................20

Inputs ........................................................................................................................................................................20

Outputs .....................................................................................................................................................................21

Environmental conditions ......................................................................................................................................21

6.6

General .....................................................................................................................................................................22