Table Of Contents - Bosch LBB 1930 Installation And Operating Manual

Plena booster amplifier

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

Important safeguards..........................................................................................................................................................3

About this manual ..............................................................................................................................................................4

Safety precautions...............................................................................................................................................................4

Table of contents ................................................................................................................................................................5

1 About the equipment ........................................................................................................................................................7

1.1

Controls and indicators (front) ................................................................................................................................8

1.2

Controls and connections (LBB1930, LBB1935 - rear) ........................................................................................9

1.3

Controls and connections (LBB1938 - rear) ...........................................................................................................9

2 Internal setting (LBB1938 only) .....................................................................................................................................10

3 Installation in rack ...........................................................................................................................................................11

4 External settings and connections .................................................................................................................................12

4.1

Connect the DC supply (battery) ..........................................................................................................................12

4.2

Connecting the line input and loopthrough ........................................................................................................13

4.3

Connecting the priority input and using the control terminals (LBB1938 only) .............................................14

4.4

100 V slave input ....................................................................................................................................................15

4.5

Connecting loudspeakers .......................................................................................................................................16

4.5.1

Constant voltage loudspeakers .........................................................................................................................16

4.5.2

Low impedance loudspeakers ..........................................................................................................................17

4.6

Mains connection ....................................................................................................................................................17

5 Operation of booster amplifier ......................................................................................................................................18

6 Technical data ..................................................................................................................................................................19

6.1

Electrical ..................................................................................................................................................................19

6.2

Performance ............................................................................................................................................................19

6.3

Inputs ........................................................................................................................................................................19

6.4

Outputs .....................................................................................................................................................................20

6.5

Environmental conditions ......................................................................................................................................20

6.6

General .....................................................................................................................................................................20

Bosch Security Systems | 2003-09 | 3922 988 92983en

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