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AtlasIED FC104T72 4-Inch Ceiling Speaker with 4W 70V Transformer
The AtlasIED FC104T72 is a compact 4" full-range speaker equipped with a factory-installed LT-72 4W 70V transformer. Designed for public address and background music systems, this high-compliance driver delivers efficient low-frequency reproduction and a wide 135° dispersion angle for optimal coverage in distributed audio applications.
With a sensitivity of 94dB and frequency response from 100Hz to 10kHz, the FC104T72 is an ideal choice for installations requiring high intelligibility and cost-effective sound distribution. This unit features a dual-purpose transformer bracket for secure mounting and compatibility with AtlasIED grille assemblies. It is also UL1480 and UL2043 certified for general signaling and air handling spaces.
Key Features
- Built-In LT-72 Transformer: Supports 70V systems with 0.5 to 4W tap settings
- High-Compliance Driver: Damped cone delivers smooth low-end and broad frequency range
- Wide Dispersion: 135° coverage minimizes speaker count in distributed systems
- UL Certified: Listed for general signaling (UL1480) and plenum spaces (UL2043)
Technical Specifications
- Model: FC104T72
- Power Taps: 0.5, 1, 2, 4W @ 70V
- Sensitivity: 94dB (1W/1m)
- Frequency Response: 100Hz – 10kHz
- Dispersion: 135° (-6dB @ 2kHz octave)
- Dimensions: 6.5 x 6.5 x 4.0 inches (165 x 165 x 102 mm)
- Shipping Weight: 2.67 lbs (1.21 kg)
- Certifications: UL1480, UL2043
- Warranty: 5 years