Fire Alarm Horn Driver Board
Digital signal processor board amplifying coded tones (ANSI S3.41) for fire alarm horns in high-rise buildings. HTS 8531.90.90.01 part for sound signaling fire alarms. Temporal-3 pattern capable.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If complete sound/visual fire systems
Assembled fire alarm apparatus including horns classify separately.
If record player/tape amp parts
Audio amps resembling consumer electronics shift headings.
If other electrical with digital processing
DSP-heavy boards may be other electrical apparatus.
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Import Tips & Compliance
• NFPA 72 certification and temporal pattern test reports essential for entry
• dBA output curves must match fire code specs (e.g
• 90dBA @10ft)
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