The Edwards 1B3-125 Audio Amplifier represents a robust, mission-critical communication solution designed for comprehensive fire alarm notification systems in commercial and institutional environments. Engineered to deliver reliable 125-watt audio performance across 25V and 70V distributed speaker circuits, this amplifier provides critical infrastructure for emergency voice communication during fire and evacuation scenarios.
Specifically optimized for integration with Edwards addressable fire alarm control panels like the SIGA-MRM1 and SIGA-RM1, the 1B3-125 supports supervised audio riser management with built-in battery backup input terminals. Its professional-grade design ensures consistent, intelligible audio signal transmission across large facilities including office complexes, educational institutions, healthcare campuses, and industrial manufacturing spaces.
Key Features
- 125-watt audio output with selectable 25V/70V operation for flexible speaker circuit configurations
- Integrated battery backup input terminals for continuous operation during primary power interruption
- Compatible with Edwards SIGA series addressable fire alarm control panels
- Engineered for supervised audio riser management and emergency communication
- Compact rack-mountable form factor supporting streamlined installation
- Compliant with NFPA 72 National Fire Alarm and Signaling Code requirements
Specifications
- Power Output: 125 Watts
- Voltage Options: 25V/70V
- Input Voltage: 120VAC
- Frequency Response: 50Hz-20kHz
- Signal-to-Noise Ratio: >80dB
Professionally designed for reliable emergency communication, the Edwards 1B3-125 Audio Amplifier meets UL 464 standards for audible signaling devices and provides critical infrastructure for life safety notification systems. Ideal for integration with addressable fire alarm panels in commercial, institutional, and industrial applications requiring dependable, supervised audio notification.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 26.5 lbs |
|---|---|
| Dimensions | 22 × 11 × 8.5 in |
| Condition | New |
| Manufacturers | Edwards |
| Part Type | Strobe |
