||2.375"W (61mm) x 5.25"H (134mm) x 1.50"D (39mm)
||Adjustable Volume Control (potentiometer) built-in
||Positive Screw Terminal Connectors.|
The NH201TT-2 powers from a 16VAC (30VA) low-voltage Class II transformer.
The PC boards are treated with a special chemical finish, to minimize the affects of weather and moisture on the electronic components.
Power supply/amplifier shall be designed to mount directly into the 'TT' or 'TTM' series lobby entry panel stations. Power supply / amplifier shall contain the system amplifier, power supply, speaker and microphone, all in one 'snap-in' assembly. Unit shall snap onto the panel front speaker/microphone grille.
Power supply/amplifier shall provide the intercom amplification and signalling power for the proper system operation. Power supply/amplifier shall be installed a safe distance from any source of electrical interference.
Contractor shall observe all local and national electrical and building codes.