
PRA-EOB
PRAESENSA End-of-Branch Device
Compact end-of-branch supervision device for branched PRAESENSA loudspeaker lines on 70 V or 100 V, detecting open-circuit faults in the amplifier without extra wiring.
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PRA-EOB
Compact end-of-branch supervision device for branched PRAESENSA loudspeaker lines on 70 V or 100 V, detecting open-circuit faults in the amplifier without extra wiring.

PRA-EOL
Compact end-of-line supervision device for PRAESENSA loudspeaker lines, using a low-level 25.5 kHz pilot tone so the amplifier detects line faults without extra wiring.
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