- Extremely consistent 120° broadband pattern control featuring JBL’s exclusive conical Radiation Boundary Integrator® (RBI™) technology.
• Very consistent, full-range coverage of listening area while providing a small ceiling footprint.
• Wide, consistent coverage requires fewer speakers, reducing the cost of the installed system without
sacrificing performance. - Coaxial design featuring:
• 130 mm (5.25 in) polypropylene-coated paper cone with butyl rubber surround.
• 20 mm (.75 in) soft-dome tweeter on 210 mm (8.25 in) diameter wave guide. - Bass extension down to 55 Hz.
- 8 ohm and 70V/100V operation.
- Integrated backcan for easy “blind-mount” install. Packaged with grille and tile rails for easy installation.
Description
The JBL Control 45CT Ceiling Loudspeaker is a premium commercial ceiling speaker designed for restaurants, offices, retail stores, hotels, schools, and public venues. The JBL Control 45CT Ceiling Loudspeaker delivers consistent 120° conical coverage using JBL's exclusive Radiation Boundary Integrator® (RBI™) technology, ensuring uniform sound throughout the listening area while minimizing the number of speakers required.
Its coaxial design combines a 130 mm (5.25-inch) polypropylene-coated woofer with a 20 mm (0.75-inch) soft-dome tweeter to produce clear vocals, detailed music, and extended bass response down to 55 Hz. Supporting both 8-ohm low-impedance operation and 70V/100V distributed systems, the JBL Control 45CT Ceiling Loudspeaker is suitable for a wide range of commercial audio installations.
The integrated steel backcan allows quick blind-mount installation, while the included grille, tile rails, C-ring support plate, cutout template, and paint shield simplify installation. With up to 150 W program power handling, excellent sensitivity, and reliable JBL performance, the JBL Control 45CT Ceiling Loudspeaker provides professional-quality sound, wide coverage, and long-term durability for demanding commercial environments.
JBL Control 45CT Ceiling Loudspeaker Features
| Specification | Details |
|---|---|
| Frequency Range (-10dB) | 55 Hz – 20 kHz |
| Frequency Response (±3dB) | 80 Hz – 17 kHz |
| Power Rating | IEC system long-term ratings (low-Z direct): 150 W continuous program power 75 W continuous pink noise (300 W peak), 100 hrs |
| Sensitivity | 88 dB (1 kHz – 16 kHz) |
| Coverage Angle | 120° conical, constant directivity |
| Directivity Factor (Q) | 5.6 |
| Directivity Index (DI) | 7.3 dB |
| Maximum SPL (1m) | 107 dB (low-impedance, 113 dB peak) 106 dB (top 70V/100V tap) |
| Impedance | 8 ohms (in bypass mode) |
| Transformer Taps | 60 W, 30 W, 15 W (& 7.5 W @ 70V), plus transformer bypass |
| Transformer Insertion Loss | 0.76 dB @ 60W, 0.70 dB @ 30W, 0.61 dB @ 15W, 0.58 dB @ 7.5W |
| Drivers | LF Driver: 130 mm (5.25 in) HF Driver: 20 mm (0.75 in) |
| Input Connectors | Two removable locking 2-pin connectors with screw-down terminals. Max wire 12 AWG (2.5 mm). Key: 1) + in, 2) − in, A) + loop thru, B) − loop thru. |
| Knockouts | Two (top and side) |
| Safety Agency | Suitable for use in air handling spaces per UL1480 Speakers for Fire Alarm, Emergency and Commercial and Professional Use, complies with UL-2043 Fire Tests for Heat and Visible Smoke Release for Discrete Products, CUL, NFPA-70, NFPA-90A Installation of Air Conditioning and Ventilation Systems. In accordance with the requirements of IEC60849/EN60849. |
| Dimensions | 250 mm (9.9 in) diameter, 239 mm (9.4 in) mounting depth |
| Ceiling Cutout Size | 220 mm (8.75 in) |
| Ceiling Thickness Range | Accommodates tiles/drywall up to 70 mm (2.75 in) thick |
| Net Weight | 3.9 kg (8.6 lb) |
| Shipping Weight | 8.6 kg (19.0 lb), pair pack |
| Included Accessories | C-ring support backing plate, 2 tile support rails (fits both 2x4 ft or 600x1200 mm tiles), press-in grille, knockout strain relief, cutout template, paint shield, 2 removable locking multi-pin connectors |
| Optional Accessories | MTC-26NC new construction bracket MTC-26MR mud ring construction bracket |
| Color | White |
| Backcan | Formed steel (included, "blind-mount") |
| Baffle/Rim | ABS baffle with UL94-V0 flame class fire rating |
| Plenum Usage | Yes, backcan included |