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JBL Control 18C/T Coaxial Ceiling Loudspeaker

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JBL Control 18C/T Coaxial Ceiling Loudspeaker.

Control 18C/T là loa toàn dãi đường kính 200 mm (8.0 inch) sử dụng driver công nghệ cao và một tweeter đồng trục đường kính 25 mm soft-dome , vách ngăn được sơn bằng vật liệu UL94-V0 and UL94-5HB chống tia cực tím "tia UV", phụ kiện kèm backcan giúp dễ dàng lắp đặt nhanh chóng.

Loa được thiết kế để lắp đặt phù hợp rộng rãi cho nhiều ứng dụng yêu cầu âm thanh với mức âm lượng phát từ "vừa" đến "lớn" như quán cafes, văn phòng làm việc, cửa hàng bán lẻ, music/paging systems, sân bay, sảnh chờ, lounges, courtrooms, trung tâm hội nghị, khách sạn, các cơ sở giáo dục....

Đặc điểm nổi bật:

  • 200 mm (8.0 in) high output driver with polypropylene cone and butyl rubber surround
  • 25 mm (1.0 in) soft-dome liquid-cooled tweeter
  • Blind-mount backcan for quick and easy installation
  • Dual conduit/cable clamps
  • Combined 70V/100V and low impedance direct operation

 90 Watts at 8Ω nominal setting

 60W multi-tap at 70V/100V

  • 58 Hz – 20 kHz bandwidth with 90° coverage
  • High 92 dB sensitivity for high maximum SPL
  • White or black (-BK)

Thông số kỹ thuật:

Frequency Range (-10 dB)1

58 Hz – 20 kHz

Frequency Response (±3 dB)1

80 Hz – 16 kHz

Power Capacity (at low-Z) 2

180 Watts Continuous Program Power

Maxium Input Voltage

31.8 V RMS (2hrs), 63.6 V peak

Nominal Sensitivity3

92 dB

Nominal Coverage Angle3

90° conical coverage

Directivity Factor (Q) 3


Directivity Index (DI) 3

7.8 dB

Rated Maximum SPL

112 dB @ 1 m (3.3 ft) average, 118 dB peak

Nominal Impedance

8 ohms (in direct/bypass 8Ω setting)

Transformer Taps

60 W, 30 W, 15 W @ 70V or 100V (plus 7.5 W @ 70V only)

Recommended Protective High Pass4

45 Hz high-pass (24 dB/oct) for 8ohm operation, 60 Hz for 60 W tap, 50 Hz for 30 W, 15 W & 7.5 W tap setting

Crossover Network

12 dB/oct (2nd order) low-pass to LF driver, 12 dB/oct (2nd order) high-pass to HF driver

LF Driver

200 mm (8.0 inch) with polypropylene cone, butyl rubber surround, anodized aluminum voice coil former, high

temperature voice coil

HF Driver

25 mm (1.0 in), highly-damped treated-silk dome, Kapton™ voice coil, liquid cooling, wide dispersion waveguide

Input Connector

Removable locking 4-pin connector with screw-down terminals. Max wire size 12 AWG (2.5 mm2)

Connector Wiring

Pin 1 = + In; Pin 2 = - In; Pin 3 = + Loop Thru; Pin 4 = - Loop Thru

Strain Reliefs

Strain relief for two cables or two flex conduits via coupled clamping mechanism


ABS baffle with UL94-V0 and UL94-5VB flame class fire rating; Zinc-plated steel backcan

Safety Agency

UL1480, UL2043, NFPA90 & NFPA70; S7232/UL Listed, Suitable for use in air handling spaces, Signaling

Speaker; Transformer UL registered per UL1876; ROHS, C-tick N108, CE compliant; Baffle meets UL94-V0 and

UL94-5VB flammability rating; In accordance with IEC60849/EN60849 systems


307 mm diameter x 274 mm depth from back of baffle (12.1 in diameter x 10.8 in depth)

Ceiling Cutout Size

Circular cutout with 282 mm (11.1 in) diameter (cardboard cutout template included)

Ceiling Thickness Range

Up to 38 mm (1.5 in) with stock dog-ears. MTC-TCD thick-ceiling dog-ears available for up to 60 mm (2.4 in)

ceiling thicknesses

Safety Seismic Attachment

One point, top surface

Net Weight

6.4 kg (14.1 lbs, one speaker)

Shipping Weight

17.7 kg (39.0 lbs, pair in master carton)

Included Accessories

C-ring support backing plate, 2 tile support rails (for 2 ft or 600 mm tile spans; optional MTC-48TR extension

available for larger 4 ft or 1200 mm tile spans), cutout template, paint shield, removable locking multi-pin

connector, grille with safety tether.

Optional Accessories

MTC-47NC new construction bracket; MTC-47MR mud-ring construction bracket; MTC-TCD thick-ceiling

dog-ears for ceiling thicknesses up to 60 mm (2.4 in, ordering one set = 24 dogears for 6 speakers); MTC-48TR

tile rail for 1200 mm (4 ft) tile spans