Atlas Sound UHT70C-U51-8
Atlas Sound UHT70C-U51-8
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The Atlas Sound UHT70C-U51-8 is a UL-listed 8-inch ceiling loudspeaker for fire protective signaling with factory-mounted 70.7V transformer and U51-8 baffle. Featuring an 8-inch dual voice coil loudspeaker with 10-ounce ceramic magnet and fire-retardant moisture-proof cone, this unit provides extended frequency response and minimal distortion for high-intelligibility emergency signaling in suspended ceiling installations.
Key Features
- 8-inch loudspeaker with dual (whizzer) cone design for extended frequency response
- 10-ounce ceramic magnet provides powerful sound projection
- Factory-mounted 70.7V transformer at 5 watts
- Fire-retardant moisture-proof cones for safety and durability
- Includes U51-8 baffle for easy suspended ceiling mounting
- 6-inch color-coded leads with DC blocking capacitor for line supervision
Technical Specifications
- Driver Size: 8-inch single voice coil
- Power Rating: 5 watts @ 70.7V
- Magnet: 10-ounce ceramic
- Frequency Response: Extended range optimized for voice clarity
- Mounting: Suspended ceiling with U51-8 baffle system
- Transformer: Factory-mounted 70.7V step-down
- Line Supervision: DC blocking capacitor included
Certifications
- UL 1480 Listed for fire protective signaling systems
- Requires UL-approved enclosure for compliance

