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Controls And Connections (Rear) - Bosch LBB 1903/10 Installation And Operating Manual

Plena mixer amplifier installation and operating manual
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Plena Mixer Amplifier | Installation and Operating Manual |

1.2 Controls and connections (rear)

7
8
9
L
Tel/Emer.
0
R
CD
0
2
+
3
2
Chime
1
3
4 5
1
2
1
2
3
4
Figure 1.3
1 Chime ON/OFF switch
2 Priority microphone input (5-pole DIN/balanced
with Phantom power)
3 Input 1 microphone input (6.3 mm phono jack/
balanced with Phantom power)
4 Microphone input (XLR/balanced with Phantom
power in microphone mode)
5 Microphone input (6.3 mm phono jack/balanced)
6 Input Mic./Line switch
7 Emergency connection input terminals
8 Emergency volume pre-set
9 CD input (2x phono connectors)
10 Tape input (2x phono connectors)
11 Auxiliary input (2x phono connectors)
Bosch Security Systems | 2003-09 | 3922 988 92883en
10
11
12
13
14
Out
In
Inc
Aux
Line Out 1V
GND
GND
+
1
1
2
Mic/Line
Mic/Line
3
3
4
5
4
5
6
4
5
About the mixer amplifier
100V 0
6
15
Call/Mix
Zone 1
100/70V/8
0 100/70V 0 100/70V 0 100/70V 0 100/70V 0
Only for LBB1914/10
12 Line output (XLR)
13 Tape output (2x phono connectors)
14 Insertion input/output (2x phono connectors)
15 Loudspeaker output terminals and 24 Vdc power
supply terminals
16 Mains connector (3-pole)
17 Earth connection screw
18 Mains fuse
LBB1903 T1A (230 Vac) / T2A (115 Vac)
LBB1906 T1.6A (230 Vac) / T3.15A (115 Vac)
LBB1912 T2.5A (230 Vac) / T5A (115 Vac)
LBB1914 T2.5A (230 Vac) / T5A (115 Vac)
19 Mains voltage 115/230 V switch
115V
Call/Mix
Cal l Only Mix Only
24VDCIn
70V
0
8
0
100/70V 0 100/70V 0
16
Zone 2 Cal l Only Mix Only
24VDCIn
15
en | 9
19
230V
17
18

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This manual is also suitable for:

Lbb 1906/10Lbb 1912/10Lbb 1914/10