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JBL Control 12C-VA Coaxial Ceiling Loudspeaker

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JBL Control 12C-VA Coaxial Ceiling Loudspeaker.

Control 12C-VA là loa toàn dãi đường kính 76 mm (3.0 inch) sử dụng driver công nghệ cao , 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:

  • 76 mm (3 in) full-range driver
  • EN54-24 Compliant
  • Blind-mount backcan for quick and easy install
  • Combined 70V/100V and low impedance direct operation

 20 Watts at 8Ω nominal setting

 15W multi-tap at 70V/100V

  • 68 Hz – 17 kHz bandwidth with wide 130° coverage

Thông số kỹ thuật:

Frequency Range (-10 dB)

68 Hz – 17 kHz

Frequency Response (±3 dB)

95 Hz – 15 kHz

Power Capacity (at low-Z)

40 Watts Continuous Program Power

20 Watts Continuous Pink Noise

Rated Noise Power

15W (15W tap)

Rated Noise Voltage

70V/100V (with 70V/100V tap settings)

Nominal Sensitivity

84 dB: 8 ohm tap

EN54 Sensitivity (@ 4m)

72 dB (per EN54-24 spectrum and measurement conditions at 4 meters.)

Coverage Pattern

130° conical coverage (1 kHz - 16 kHz)

Coverage Angels (by Frequency)

Conical (Vertical & Horizontal)

500 Hz: 180°

1000 Hz: 175°

2000 Hz: 170°

4000 Hz: 160°

Reference Axis

Specification and measurement reference is directly on-axis vertically and horizontally, directly below the speaker as

speaker it is installed in the horizontal ceiling plane

Directivity Factor (Q)

9.8

Directivity Index (DI)

7.4 dB

Rated Maximum SPL

97 dB @ 1 m (3.3 ft) average, 103 dB peak

EN54 Max SPL (@ 4m)

84 dB (per EN54-24 spectrum and measurement 15W tap, at 4 meters)

Nominal Impedance

8 ohms (in direct/bypass 8Ω setting)

1.9W@70V; 3.8W@100V Tap: 2667Ω

3.8W@70V; 7.5W@100V Tap: 1333Ω

7.5W@70V; 15W@100V Tap: 667Ω

15W@70V; N/C@100V Tap: 333Ω

Transformer Taps

15W, 7.5W, 3.8W @ 70V or 100V (plus 1.9W @ 70V only)

Fuse

Thermal Fuse, open temperature 152 degrees C, Rating >= 10A @ 250VAC

Driver

76 mm (3 inch) with polypropylene cone, butyl rubber surround, anodized aluminum voice coil former, high

temperature voice coil

Connections

Input +, Input -, Earth (connected to backcan). Ceramic block with brass inserts (3.2 mm/0.126 in opening),

accommodates 2.5 sq mm / 12 AWG wire.

Gland Nut/Strain Relief

Accommodates round jacketed cables 4.0 mm (0.16 in) through 9.0 mm (0.36 in)

Materials

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

Safety Agency

EN54-24:2008 certified Type A (Certificate No. 0359-CPR-00485); Compliant with BS5839/8; UL1480, UL2043,

NFPA90 & NFPA70; Suitable for use in air handling spaces, Signaling Speaker; rated IP-21 per IEC529/60529;

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

Dimensions (H x W x D)

196 mm diameter x 174 mm from back of baffle to back of gland nut (7.7 in diameter x 6.9 in in depth)

Ceiling Cutout Size

Circular cutout with 170 mm (6.7 in) diameter (cardboard cutout template included)

Ceiling Thickness Range

Up to 35 mm (1.4 in) with stock dog-ears. MTC-TCD thickceiling dog-ears available for up to 55 mm (2.2 in) ceiling

thicknesses

Safety Seismic Attachment

One point, top surface

Net Weight

1.6 kg (3.5 lbs, one speaker)

Shipping Weight

6.7 kg (14.7 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, grille

Optional Accessories

MTC-12WG high humidity grille

MTC-24NC new construction bracket 

MTC-24MR mud-ring construction bracket 

MTC-TCD thick-ceiling dog-ears for ceiling thicknesses up to 55 mm (2.2 in, ordering one set = 24 dogears for 8

speakers) 

MTC-48TR tile rail for 1200 mm (4 ft) tile spans