Audio Amplifier and Output
- Custom 400-watt amplifier is true Class “D” type for high efficiency
- Full load current ~ 22 amps at 24 VDC
- 106dB (C weighting) peak siren output (sound pressure level will vary due to differences in voice/frequency modulation & environmental conditions)
- Rated range at 70dB radius ~1200 ft / 1050 Hz test tone
Speakers
- Four 100-watt weather-proof compression drivers mounted directly to high-performance outdoor speaker horns
- Low-frequency cut-off – power rated at 500Hz
- Additional speaker options available for specific applications
Beacons
- Visual alerting provided by high-intensity / high-efficiency omni-directional LED array
- High-performance RED LED beacon to indicate Warnings
- High-performance BLUE LED beacon to indicate Lightning threats
- Other custom colors available upon request
System Mounting
- 7 gauge 20 ft light standard pole (4″ square O.D. standard, 5″ available as upgrade)
- Special conditions , such as certain acoustic barriers, may require different configurations for optimum sound dispersion
- Poles should always be specified based on local wind load data and sound exposure levels to locale
NOAA Receiver
- Frequency user-selectable for all NWS/NWR channels
- Sensitivity: 0.5 uV for 20 dB quieting
- Modulation: Narrow Band FM, 5 KHz deviation
- Power: 12 VDC
- Standby Current: ~ 350 milliamperes
- NOAA SAME Compliant: Same and FIPS codes user programmable via internal serial port and PC
Environmental and Enclosure
- Temperature: -30C to +60C (enclosure heating required in extreme cold climates)
- Humidity Range: 0 – 98%, non-condensing (desiccant should be used in electronics enclosure in very humid climates)
- NEMA Type 4 (may be upgraded to NEMA Type 4X at additional cost)
Battery
- Sealed Lead Acid (AGM) 12 VDC 40 Amp Hour rating (quantity 2 – not included)
- Battery charged by 110 VAC solid state battery maintainer
- 5 Amp, 24 Volt with charger status LED indicators
- Input Voltage 120 VAC at 2.5 Amps
**Specifications subject to change
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