JBL Control 47C/T


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JBL Control 47C/T 6.5″ 2-Way In-Ceiling Loudspeaker, Pair

The Control 47C/T from JBL is a professional-quality in-ceiling loudspeaker that offers high-quality sound with wide, consistent coverage. The speaker has a 6.5″ woofer and a 1″ tweeter to provide a wide frequency response. The large backcan provides easy installation and an extended bass response.

JBL’s exclusive Radiation Boundary Integrator (RBI) technology provides consistent coverage of the listening area with a wide 120 deg. pattern. The speaker can operate in 70/100V mode for use in distributed line systems, or in standard 8 ohm mode for use with a variety of sound systems.


  • Extremely consistent 120 deg. broadband pattern control featuring JBL’s exclusive conical Radiation Boundary Integrator (RBI) technology
  • Provides very consistent coverage of listening area
  • Wide coverage requires fewer speakers, reducing the cost of the installed system without sacrificing performance
  • Coaxial design featuring: 165 mm (6.5 in) woofer with butyl rubber surround; 25 mm (1 in) soft-dome tweeter on 250 mm (10 in) diameter wave guide
  • Bass extension to 55 Hz
  • 8 ohm and 70V/100V operation
  • Integrated backcan for easy “blind-mount” install. Packaged with grille and tile rails or easy installation


Frequency Range (-10 dB) 55 Hz – 20 kHz
Frequency Response (± 3 dB) 75 Hz – 17 kHz
Power Capacity 150 Watts Continuous Program Power
75 Watts Continuous Pink Noise
Nominal Sensitivity 91 dB
Nominal Coverage Angle 120 deg. conical coverage
Directivity Factor (Q) 6.5
Directivity Index (DI) 7.9 dB
Rated Maximum SPL 110 dB at 1 m (3.3 ft) average, 116 dB peak
Rated Impedance 8 ohms (in bypass mode)
Transformer Taps 60 W, 30 W, 15 W, (& 7.5 W at 70 V)
Transformer Insertion Loss 0.76 dB at 60 W, 0.70 dB at 30 W, 0.61 dB at 15 W, 0.58 dB at 7.5 W
Transducers: LF Driver 165 mm (6.5 in) with polypropylene cone, butyl rubber surround, copper-clad coil, vented aluminum former
Transducers: HF Driver 25 mm (1 in) soft dome w/ dampening, ferrofluid-cooled
Enclosure: Input Connectors Two removable locking 2-pin connectors with screwdown terminals. Max wire 12 AWG (2.5 mm)
Enclosure: Knockouts Two (top and side)
Safety Agency Suitable for use in air handling spaces per UL1480, UL2043, NFPA90 & NFPA 70. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849
Ceiling Thickness Range Accommodates tiles/drywall up to 70 mm (2.75 in) thick
Suspension Points Three, on top surface
Dimensions 305 mm x 259 mm / 12 in x 10.2 in (Diameter x Depth from back of baffle)
Cutout Size 282 mm (11.1 in) Diameter
Weight 5kg / 11lbs



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