Key Features
* Compact device for loudspeaker end‑of‑line supervision
* Reliable solution for (long) loudspeaker lines
* Fault detection in amplifier without additional wiring
* Low level, high frequency pilot tone
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Electrical |
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Control |
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Pilot tone detection Frequency Level |
25.5 kHz 1.5 - 3 VRMS |
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Amplifier load |
< 100 mW |
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Control |
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Loudspeaker cable Maximum length Maximum capacitance Operating temperature |
1000 m 80 nF -20 to +50 °C (-4 to 122 °F) |
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Maximum input voltage |
100 VRMS |
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Fault detection |
Line shorted, line interrupted |
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Fault reporting |
By amplifier |
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Reliability |
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MTBF (extrapolated from calculated MTBF of PRA-AD608) |
5.000.000 h |
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Environmental |
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Climatic conditions |
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Temperature Operating Storage and transport |
-5 to +50 °C (23 to 122 °F) -30 to +70 °C (-22 to 158 °F) |
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Humidity (non condensing) |
5 to 95 % |
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Air pressure (operating) |
560 to 1070 hPa |
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Altitude (operating) |
-500 to +5000 m (-1640 to 16404 ft) |
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Climatic conditions |
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Vibration (operating) Amplitude Acceleration |
< 0.7 mm < 2 G |
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Bump (transport) |
< 10 G |
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Mechanical |
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Enclosure |
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Dimensions (WxHxD) Board shape Box shape |
78 x 60 x 16 mm (3.1 x 2.4 x 0.6 in) 45 x 60 x 18 mm (1.8 x 2.4 x 0.7 in) |
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Ingress protection |
IP30 |
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Case Material Color |
Plastic RAL3000 |
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Weight |
25 g (0.055 lb) |
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