Simplex 4100-1314 Primary Amplifier SF 10/12 It provides a dry-contact SPDT

It provides a dry-contact SPDT output

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Item Description & Fitment List

or 4” square standard electrical box

The battery drawer provides easy replacement without removing the unit from the wall or ceiling

Simplex 4100-1314 Primary Amplifier SF 10/12 It provides a dry-contact SPDTThe digital and analog audio amplifiers provide analog audio power to the system speaker circuits. Digital amplifiers decode digitally encoded input signals and analog amplifiers receive analog input signals. A speaker circuit consists of one or more speakers that are driven by the same physical wiring. All of the 100 W amplifiers described in this document are single channel amplifiers; that is, each speaker circuit is driven by the same audio signal.