Gamewell FCI AM-50-70

The Gamewell FCI AM-50-70 is a 50-watt digital switching audio amplifier for fire alarm voice evacuation systems, delivering 70.7 VRMS maximum output across two independently supervised speaker circuits. The higher voltage output reduces conductor sizing requirements compared to 25V amplifiers, while digital switching and Class B/Class A wiring compatibility simplify multi-circuit design. Support for the INI-VGX Transponder Voice Gateway enables programmable message routing and individual circuit activation.

Key Features

• 50-watt digital switching amplifier for voice evacuation
• Two independently supervised speaker circuits (Style Y Class B or Style Z Class A wiring)
• 70.7 VRMS audio output with low standby current draw
• Higher voltage output reduces wire gauge and duct requirements
• Compatible with INI-VGX Transponder Voice Gateway for programmable message control
• Supports up to 16 programmable voice messages
• Individual circuit activation and monitoring per speaker pair
• Terminal connections accept up to 12 AWG twisted-pair shielded wire

Technical Specifications

• Operating Voltage: 20.4 to 27.3 VDC
• Audio Output: 50 watts maximum @ 70.7 VRMS
• Standby Current: 0.049 amp normal, 2.30 amp max alarm
• Speaker Circuits: 2 (independently supervised)
• Wiring: Style Y (Class B) or Style Z (Class A)
• Wire Size: Up to 12 AWG twisted-pair, shielded
• Dimensions: 7.5"W x 3.5"H x 1.25"D
• Operating Temperature: 0 to 49°C (32 to 120°F)
• Humidity: 0 to 93% max. (non-condensing)

Certifications

• UL Listed fire alarm amplifier
• NFPA 72 compliant