The Alpha Communications 931 amplifier/power supplies are used with the 870W, 8870 and 902 series handset intercom stations (or equivalent), to provide intercom amplification, power to operate the electric door opener(s) etc., and power to signal the handsets from the lobby entrance station.
The 931 units each require a standard 120VAC power source.
These 931 amplifier/power supplies are designed to easily surface mount right onto the finished wall by means of customer supplied screws. Connections are positive screw terminal type.
Only one (1) 931 is required for each system, regardless of the number of handsets in the building.
Features
- Easily Installs Right on Finished Wall Surface or in Customer Supplied Housing
- Only one power supply required per system
- Clear Voice Fidelity with Adjustable Voice Volume Control
- Convenient Positive Screw Terminal Connections
- Operates on standard 120VAC primary power
Downloads
931A-120-Specsheet
The Alpha Communications 931 amplifier/power supplies are used with the 870W, 8870 and 902 series handset intercom stations (or equivalent), to provide intercom amplification, power to operate the electric door opener(s) etc., and power to signal the handsets from the lobby entrance station.
The 931 units each require a standard 120VAC power source.
These 931 amplifier/power supplies are designed to easily surface mount right onto the finished wall by means of customer supplied screws. Connections are positive screw terminal type.
Only one (1) 931 is required for each system, regardless of the number of handsets in the building.
Features
- Easily Installs Right on Finished Wall Surface or in Customer Supplied Housing
- Only one power supply required per system
- Clear Voice Fidelity with Adjustable Voice Volume Control
- Convenient Positive Screw Terminal Connections
- Operates on standard 120VAC primary power
Downloads
931A-120-Specsheet
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