Alpha TT33-8P STR QwikBUS Panel Speaker/Microphone, 8P

The TT33-8P from Alpha is a QwikBUS Panel Speaker/Microphone unit used with the S.T.R. QwikBUS systems to provide intercom functions at remote door entry locations, and depending on system configuration, optional electric door opener(s) etc. The TT33-8P power from the associated model# SP333 QwikBUS Intelligent Controller unit(s), and does not require any additional power supply unit(s). When used with conventional pushbutton type door entry stations where electric door release is required, it will also require a model# T1240 U.L. Listed 12VAC plug-in transformer. It is designed to easily mount right behind the faceplate in various models of our lobby entry pushbutton style intercom panels. It also features a built-in door release relay, voice volume control potentiometer and a plug-in connector for connection to the model# E32 32 station 2-wire extender(s). The PC boards are treated with a special chemical finish, to minimize the affects of weather and moisture on the electronic components.

Alpha TT33-8P QwikBUS Panel Speaker/Microphone Features

• Easy Installation: Easily Installs Right Behind Lobby Entry Panel for hassle-free setup.
• Safe Operation: Operates on Safe Low-Voltage Class II Wiring, ensuring user safety.
• Adjustable Volume: Clear Voice Fidelity with Adjustable Voice Volume Control for customized audio experience.
• Convenient Connections: Convenient Screw Terminal Connections simplify wiring and installation.
• High-Quality Communication: High quality Half-Duplex or Enhanced Half-Duplex Voice Communications (depending on inside stations being used) for clear conversations.

Alpha TT33-8P Detailed Specifications