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Williams AV SP-628 6.5-Inch Passive Ceiling Speaker, 8 Ohms
The Williams AV SP-628 is a full-range, two-way coaxial ceiling speaker designed for clear, low-distortion audio delivery in classrooms or similar environments. It includes a metal back can and mounting hardware for straightforward installation in drop-ceiling or drywall installations.
This passive speaker features a 6.5″ cone woofer and 1″ Mylar dome tweeter, with a 90° coverage pattern and ETL Plenum rating (UL2043), making it suitable for educational and compliant ceiling installations.
Key Features
- Driver Configuration: 6.5″ LF woofer and 1″ Mylar dome tweeter
- Impedance: 8 Ω
- Back Can: Air-sealed steel back-can for infinite baffle installation
- Mounting: Quick-mount clamps, seismic anchors, spring-terminal connectors
- Coverage: 90° H × 90° V nominal
- Certification: ETL Plenum rated, conforming to UL2043
- Crossover: ~6 kHz
Technical Specifications
- Weight: 3.3 lb (1.5 kg)
- Dimensions: 8″ × 5.5″ × 5.5″ (20.32 cm × 13.97 cm × 13.97 cm)
- Cutout Size: 7.1″ × 7.1″ (18 cm × 18 cm)
- Cutout Depth: 5.1″ (13 cm)
- Power Handling: 30 W RMS
- Impedance: 8 Ω
- Frequency Range: 80 Hz to 15 kHz ±6 dB
- Sensitivity: 89 dB SPL
- Magnet (LF): Neodymium, 10 oz (284 g)
- Package Weight: 3.95 lb (1.79 kg)
- Box Dimensions: 9″ × 8.9″ × 6.3″ (22.86 cm × 22.61 cm × 16.00 cm)
- Cutoff Coverage Angle: 90°H × 90°V
What's Included
- 1x Williams AV SP-628 Ceiling Speaker with grille and metal back can