Bosch PLE-1ME240-US Plena Mixer Amplifier - Manual (Page 18)

18 en | Connection Plena Mixer Amplifier
PLE-1MExx0-xx | V1.0 | 2011.04 Installation and Operation manual Bosch Security Systems B.V.
6.2 Connecting outputs
6.2.1 Main output
Connect speakers to the 100 V, 70 V or 4 Ohm terminal on the Euro style screw terminal
connector (9) at the rear of the unit.
Also see Section 6.2.3 Connecting constant voltage loudspeakers and Section 6.2.4 Connecting
low impedance loudspeakers .
6.2.2 Call only
Connect speakers to the 100 V terminal on the Euro style screw terminal connector (9) at the
rear of the unit.
Also see Section 6.2.3 Connecting constant voltage loudspeakers and Section 6.2.4 Connecting
low impedance loudspeakers .
6.2.3 Connecting constant voltage loudspeakers
Figure 6.4 Connecting constant voltage loudspeakers
The mixer amplifier can drive 100 V constant voltage loudspeakers.
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.
You can use the Call Only output for 3-wire remote volume control override. You can also use
this output as an extra zone where announcements can be heard, but not music.