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JBL Control 19CST In-Ceiling Subwoofer,


JBL's Control 19CST uses advanced proprietary technologies to produce powerful bass from a low profile in-ceiling design. The Control 19CS is perfectly suited to augment the low frequency output of any of the Control Contractor loudspeakers. High power handling and low distortion make the Control 19CST an ideal addition for sound systems requiring a higher fidelity sound from ceiling loudspeakers.

The Control 19CST version includes a high quality multitap transformer designed specifically for subwoofer use in either 70.7V or 100V distributed-line systems. Multiple transformer taps at 75W, 30W and 15W (plus 7.5W at 70.7V) allow the Control 19CST to fit a wide variety of listening situations. Taps are selected with a rotary switch conveniently located on the front panel, protected under the grille, so that the speaker does not have to be removed to adjust tap settings. The transformer effectively limits the power to the speaker, so SonicGuard is notincluded in the Control 19CST. 

The unique Nested Chamber design delivers high output from a compact enclosure, while the acoustic lowpass character of this design means it is easy to augment a full-range sound system without an external crossover or separate amp channel. The Linear DynamicsTM port design originally developed for JBL’s concert speaker systems, produces extended deep bass output.

The 200 mm (8") transducer features a pure butyl rubber surround for extended life and long excursion capability. The pole piece is vented for low distortion.

The Control 19CS can be connected into a system in a number of configurations: In parallel with full-range speakers resulting in a bass-overlap configuration (which is often acceptable); with an electronic crossover and separate amplifier channel, or; In conjunction with an active or passive high-pass filter on the full-range speakers, thus taking advantage of the Control 19CS's natural acoustic lowpass character.

JBL Control 19CST Features:

  • Unique Nested Chamber design and Linear Dynamic Aperture port design delivers high output from a compact enclosure
  • Component: Long excursion 200 mm (8") driver
  • Packaged with grille, backcan and tile rails for fast installation and easy stocking
  • Simple installation and wire connection method

JBL Control 19CST Specifications:

  • System:
    • Freq. Range (-10 dB)(*1):  42 Hz - 200 Hz
    • Power Capacity(*2):
      • 200 Watts Continuous Program Power
      • 100 Watts Continuous Pink Noise
    • Nominal Sensitivity(*3):  95 dB SPL, 1W @ 1 m (3.3 ft) in ceiling near corner (PI/2) 89 dB SPL, 1W @ 1 m (3.3 ft) in center of ceiling (2PI)
    • Nominal Coverage Angle:  180° conical coverage
    • Rated Maximum SPL:  115 dB @ 1 m (3.3 ft) in ceiling near corner (PI/2)
    • Transformer Taps:  070V: 75W, 30W, 15W & 7.5W
  • Transducer:
    • Low Frequency:
      • 8.0" Polypropelene cone.
      • 1.5" coil on aluminum former
  • Physical:
    • Enclosure: Backcan: Formed steel
    • Baffle/Rim: Medium impact polystyrene, fire rated UL94V-0
    • Termination: Removable locking connector with screw-down terminals. 2 input terminals and 2 loop-thru output terminals. Max. wire size 12 AWG (2.5mm2)
    • Safety Agency Rating: 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
    • Outside Dimensions (H x Dia): 13.6" x 13.6": 12.5" front of ceiling tile to back of backcan
    • Cutout Size: 12"
    • Net Weight (each): 14 lbs
  • Included Accessories:
    • C-shaped support backing plate
    • 2 tile support rails (fits both 2 x 4 ft or 600 x 1200 mm tiles)
    • Cutout template
    • Paint shield
    • Removable locking wiring connector

(*1):  Mounted in ceiling near corner (PI/2 loading)
(*2):  Continuous Pink Noise rating is shaped pink noise, 40 Hz to 400 Hz, with a 6 dB crest factor for 100 hours continuously. Continuous Program power is a conservative expression of the system’s ability to handle normal speech and music program material and is defined as 3 dB above the Continuous Pink Noise Rating.
(*3):  Average 60 Hz to 100 Hz.

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