AVAC Voice Alarm System

The AVAC is a new low-cost, high-quality modular voice alarm system from GD Systems, purposely designed to simplify the provision of a fully BS5839 part 8 (1998) compliant voice alarm system.

The fact that multiple AVACs (and slaves) can be connected to one host fire detection system makes the AVAC system ideal not just for simple one zone installations but for virtually all small to medium sized applications (including phased evacuation projects) in offices, shopping centres, hotels, leisure centres, etc.

• In one compact wall-mountable enclosure, the AVAC comprises:-
• Conventional and analogue (Apollo XP95/Xplorer/Discovery) fire alarm interfaces
• A high-quality digital message store containing programmable Evacuate, Alert and
• Test messages
• A prioritised mixer.
• Two x 60-Watt rms Class D amplifiers (plus an optional standby amplifier)
• An EN54-4 compliant switch mode power supply and battery charger
• Three balanced line level inputs for the (optional) connection of a fireman’s microphone, paging/public address equipment and a background music source
• Space for 2 x 7Ahr VRLA batteries typically providing at least 24 hours standby and 30 minutes alarm running time
• A slave line level output allowing the connection of up to 10 slave AVAC amplifiers. (Slave amplifiers are typically used to extend loudspeaker coverage in areas such as large warehouses. They also allow greater flexibility in the segregation of public address paging and background music distribution as they have their own paging and background music inputs)

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