JBL Control 447HC 6.5" RBI™-Equipped Two-Way Coaxial Ceiling Loudspeaker for High Ceilings
Key Features
Product Description
The JBL Control 447HC, part of the flagship Control 400 Premium Coverage Series, is a two-way coaxial ceiling loudspeaker featuring a 6.5” woofer, conical RBI™, an integrated enclosure, and a narrow 85° coverage pattern ideal for use in highly reverberant spaces and high ceiling applications.
Featuring JBL’s proprietary conical Radiation Boundary Integrator® (RBI™) technology, the Control 447HC achieves constant directivity coverage, ensuring that listeners can enjoy an especially smooth sound character that remains extremely consistent, clear, and pleasant across a wide coverage area.
Control 400 Series ceiling speakers boast thoughtfully engineered mounting features to enhance safety, efficiency, and repeatability. Terminal covers allow for convenient top or side cable entry and are secured effortlessly with captive hand-screws. The reliable captive dogear design accommodates a variety of ceiling thicknesses, ensuring versatility for any environment.
All models embrace design elements tailored for modern interiors. The included full-face magnetic grille is paintable for seamless integration into any decor, while available black and square grilles provide added customization. Additionally, the Control 447HC supports both 70V/100V and low impedance applications.
Specification
| Brand | JBL Professional |
| Model | Control 447HC |
| Product Type | Two-Way Coaxial Ceiling Loudspeaker |
| LF Driver | 6.5-inch (165 mm) Treated Paper Cone Woofer |
| HF Driver | 1-inch (25 mm) Cloth Soft-Dome Tweeter |
| Frequency Range (-10 dB) | 55 Hz – 20 kHz |
| Frequency Response (±3 dB) | 72 Hz – 14 kHz |
| Continuous Program Power | 224 W |
| Continuous Pink Noise Power (2 Hours) | 112 W |
| Peak Power (2 Hours) | 448 W |
| Continuous Pink Noise Power (100 Hours) | 75 W |
| Peak Power (100 Hours) | 300 W |
| Sensitivity (1 W/1 m) | 93 dB |
| Coverage Angle | 85° Conical |
| Directivity Factor (Q) | 8.9 |
| Directivity Index (DI) | 9.5 dB |
| Maximum SPL | 113.5 dB Continuous / 119.5 dB Peak |
| Nominal Impedance | 8 Ω |
| Minimum Impedance | 6.7 Ω at 800 Hz |
| Transformer Taps (70V) | 60 W, 30 W, 15 W, 7.5 W |
| Transformer Taps (100V) | 60 W, 30 W, 15 W |
| Recommended High-Pass Filter | 60 Hz, 24 dB/octave Linkwitz-Riley |
| Built-in Technology | Radiation Boundary Integrator (RBI™) |
| Overload Protection | PTC Power Limiting |
| Protection Rating | IP33 |
| Ceiling Cutout Size | 307 mm (12.1 inches) |
| Dimensions (H × Diameter) | 351 × 342 mm |
| Net Weight | 7.33 kg |
| Grille Colour | White |
| Operating Temperature | 0°C to 45°C |