Proel AMP240V4 - Manuale (Pagina 27)

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− For discrete line installation (zone system), each zone is independent from the other, connect speakers
terminals to COM and to the desired zone number (fig. 2 ref. 11).
− If you’re using a zone selector, you won’t be able to use constant impedance speakers, since the line is set
at 100 V constant voltage.
− Speakers should have a transformer of the same voltage developed by the amplifier.
− The speakers power sum should not exceed the amplifier maximum output power.