10/29/2019
Tech Works CI-Series Systems Planning & Installation Manual Page
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PA-402 - Paging/Program Amplifier
The PA-402 is a Professional Audio Power Amplifier designed with the System Integrator in mind.
It is specifically designed for Background Music, and Paging Applications and may be used with
other Tech Works products to augment a variety of system designs. The PA-402 has Program
Audio Inputs, Paging Audio Inputs, and Control signals that select which Audio inputs are directed
to the Speaker. These inputs are transformer balanced allowing several PA-402's to be connected
in tandem, for large distributed syst
ems. There is also an unbalanced Stereo Input for “Local”
Music insertion. The logic allows for a wide range of control requirements including; Enabling,
Muting, Program, or Page selection. The PA-402 comes ready to use for most applications, and
there are Application Templates for other common uses. The PA-402 is fully protected against
overloads. The unit automatically recovers when any overload is removed.
PA-SI-1
– Speaker Interface
The PA-SI-1 Speaker Interface is a 1-Watt Utility Audio Power Amplifier
designed with the System Integrator in mind. The input is transformer
balanced allowing several PA-SI-1's to be connected in tandem. Power
comes from the PA-BUSS, to simplify wiring. The PA-SI-1 is fully protected
against overloads. The unit automatically recovers when any overload is
removed. Modular Construction makes the PA-SI-1 ideal for integrated
designs. The unit is small; mounting is flexible, and easy, so it is ideal for space conscious
requirements. Mounting options include Snap Track or stud mounting. All signals are
connectorized for ease of installation.
PMI-B - Portable Music Interface
The PMI-B is a Portable Music Interface for Bluetooth to connect devices
such as cell phones to play music in the procedure room. The PMI is
designed to plug directly into to the PA-402.
