Silent Knight EVS-100WBU
Silent Knight EVS-100WBU
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The Silent Knight EVS-100WBU is a single-channel emergency voice/alarm communication amplifier delivering up to 100 watts of primary audio power with 50 watts of backup capability. Built for the Silent Knight EVS platform, it supervises eight speaker circuits and can be located up to 6,000 feet from the main control panel over a six-wire run. It's built to meet NFPA 72 audibility requirements, including low-frequency signaling for sleeping areas.
Key Features
- Eight fully supervised speaker circuits on a single audio channel
- Delivers 25 Vrms or 70.7 Vrms audio output
- Can be mounted up to 6,000 feet from the EVS control panel via a six-wire run
- Supports ANSI 520 Hz low-frequency tones for NFPA 72 sleeping-area requirements
Technical Specifications
- Audio power output: up to 100W primary / 50W backup
- Input power: 120 VAC or 230 VAC
- Amplifier bandwidth: 400 Hz to 4000 Hz
- Operating temperature: 32 to 120 F (0 to 49 C); humidity 10-93% non-condensing
Certifications
- UL 864 and UL 2572 listed
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