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Audio Distribution Module Enables Fault-Tolerant Warning Systems

Audio evacuation warning systems are vulnerable to short-circuits caused by overheated insulation. If heat from a fire melts the 100 Volt line insulation, the resulting short-circuit will silence every speaker...

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Estimating the Load on a Pertronic 50 Watt Evacuation Amplifier

When amplifiers are used to drive evacuation systems it is often difficult to accurately know how much capacity is used or available on the amplifier – important information in fault finding...

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