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Connecting Speakers; Constant Voltage Loudspeakers; Low Impedance Loudspeakers - Bosch Plena Easy Line PLE-1P120-EU Installation And User Instructions Manual

Plena power amplifier installation and user instructions

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Plena Power Amplifier | Installation and User Instructions | Connections and settings

4.2

Connecting speakers

Connect speakers to the 70 V, the 100 V or the 8 Ohm

terminals on the Euro style pluggable screw terminal

connector (6) at the rear of the unit.

4.2.1

figure 4.3: Connecting speakers

The power amplifier can drive 70V and 100 V constant

voltage loudspeakers. The 100 V connection in shown

in figure 4.3.

Connect the loudspeakers in parallel and check the

loudspeaker polarity for in-phase connection. The

summed loudspeaker power should not exceed the

rated amplifier output power.

Bosch Security Systems | 2008-02 | PLE-1P120-EU, PLE-1P240-EU en

4.2.2

figure 4.4: Connecting speakers

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.

en | 15

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Plena easy line ple-1p240-eu