The system power supply/amplifier(s) shall be Alpha Communications® / TekTone model PK724, or approved equal. Unit(s) shall provide the audio, electronic chime and power circuits needed to power the entire intercom system. Unit(s) shall also provide an input for a background music source or separate electronic chime, or other compatible audio source. Low voltage wiring shall be used and a plug-in wiring harness shall be provided for installation wiring. Unit(s) shall have separate intercom and electronic chime volume controls, and shall have a 2-note and 1-note electronic chime built-in.
Contractor shall observe all local and national electrical and building codes.
The Alpha Communications® PK724 power supply/amplifiers are used with our IR704B, IR704BVC, IR704BD and IR804A series intercom stations. They provide audio intercom, electronic chime and system power for the entire system.