Description The Simplex 4100-1315 is a primary 100-watt audio amplifier designed for fire alarm and mass notification systems. It delivers high-powered, single-channel audio output with integrated supervision and multiple Class B NACs for speaker circuit distribution. Built for demanding life-safety applications, the 4100-1315 ensures clear and reliable voice and tone transmission in emergency conditions. Technical Specifications Condition New/Never Used Surplus Brand Simplex Category Fire Safety Part Number 4100-1315 Subcategory Fire Alarm Assembly Function Primary 100W audio amplifier with supervised NACs Output Power 100 W Output Voltage 70.7 VRMS Input Power 120 VAC, 60 Hz NAC Circuits 6 Class B, each rated at 2A Expansion Bay Space Requires 4 continuous blocks Redundancy Supports one-for-one or one-for-many backup configurations Backup Power Compatible with system battery backup Supervision Constant monitoring of amplifier performance Protection Overcurrent and short circuit protection Application Fire alarm and emergency communication audio Status Discontinued by Manufacturer Weight 12.5 lbs Information About 4100-1315 The 4100-1315 is part of the Simplex 4100 series of amplifiers, developed to provide dependable audio performance for large-scale fire alarm and emergency communication systems. Operating on 120 VAC, 60 Hz, the amplifier delivers a 70.7 VRMS output with 100 watts of power, capable of driving multiple speaker circuits. It features six Class B notification appliance circuits (NACs), each rated for 2A, allowing flexible speaker wiring configurations across large facilities. Designed with redundancy in mind, the unit can be paired with a backup amplifier to provide uninterrupted audio in the event of a failure, ensuring mission-critical communication is maintained. Its built-in power supply, battery backup capability, and real-time supervision functions make the 4100-1315 a robust solution for both emergency and non-emergency applications. Key Features: 100-Watt Output: Provides powerful single-channel audio amplification for large facilities. Six Class B NACs: Each rated at 2A maximum, ensuring flexible distribution of speaker circuits. Integrated Power Supply: Includes its own power supply with battery backup support. Redundant Amplifier Capability: Can be paired with a backup amplifier for continuous operation. Expansion Bay Design: Occupies four continuous blocks in a 4100ES expansion bay. Adjustable Output Levels: Supports -12 dB and -6 dB settings for non-emergency paging. Supervision Features: Continuously monitors input and output levels for fault detection. Overcurrent Protection: Built-in protection against overloads and short circuits. Standard Power Input: Operates on 120 VAC, 60 Hz for compatibility with building systems. The 4100-1315 delivers the reliability and precision required for fire alarm voice evacuation and mass notification systems.