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Low Impedance Loudspeakers - Bosch Plena LBB1930/20 Installation And Operation Manual

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14
en | External connections
6.5

Low impedance loudspeakers

Connect low impedance loudspeakers to the 8 ohm/0 terminals. This output can deliver the
rated output power into an 8 ohm load. Connect multiple loudspeakers in a series/parallel-
arrangement to make the combined impedance 8 ohm or higher. Check the loudspeaker
polarity for in‑phase connection.
Figure 6.4: Priority input and control terminals
2014.01 | V1.1 | LBB193x/x0
8 Ohm
8 Ohm
100 V
70 V
4 Ohm
4 Ohm
8 Ohm
D ire ct O utput
100V
0
70V
0
8
Priority Controlled Output 24V DCIn
100V
0
100V
0
Priority Only
No Priority
Priority Only No Priority
Installation and Operation manual
8 Ohm
8 Ohm
8 Ohm
Plena Power Amplifiers
Bosch Security Systems B.V.

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