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| JBL | CONTROL CONTRACTOR | CONTROL 12C-VA | S/M, CONTROL 12C-VA | China |
Control 12C-VA là loa âm trần toàn dải đạt chuẩn EN54-24, gồm một củ loa toàn dải 76 mm (3 inch) gắn trong mặt loa có lỗ thoát hơi (vented baffle), có thể sơn và được làm từ vật liệu đạt chuẩn chống cháy UL94-V0 và UL94-5VB chống tia UV. Loa JBL này được trang bị sẵn hộp loa backcan kiểu blind-mount giúp việc lắp đặt nhanh chóng và dễ dàng. JBL Control 12C-VA được thiết kế để mang lại chất lượng âm thanh xuất sắc cho nhiều ứng dụng có mức âm lượng từ thấp đến trung bình như: quán cà phê chơi nhạc, hệ thống nhạc nền cho doanh nghiệp, cửa hàng bán lẻ, hệ thống nhạc/thông báo, sân bay, khu vực lễ tân/phòng chờ, sảnh, phòng xử án, trung tâm hội nghị, khách sạn, cơ sở giáo dục và nhiều không gian khác.
| Frequency Range (-10dB) | 68 Hz – 17 kHz |
| Frequency Response (±3 dB) | 95 Hz – 15 kHz |
| Power Capacity (at low-Z) | IEC System Long-Term Ratings (low-Z direct): 40 Watts Continuous Program Power 20 Watts Continuous Pink Noise (80W peak), 100 hr |
| Rated Noise Power | 15W (15W tap) |
| Rated Noise Voltage | 70V/100V (with 70V/100V tap settings) |
| Sensitivity | 84 dB (1kHz – 16 kHz) |
| EN54 Sensitivity (@ 4m) | 72 dB (per EN54-24 spectrum and measurement conditions at 4 meters.) |
| Coverage Angle | 130° conical |
| 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 |
| Maximum SPL (1m) | 97 dB (low-impedance, 103 dB peak) 94 dB (top 70V/100 tap) EN54: 84 dB (4m, top 70/100V tap) |
| Impedance | 8 ohms (in direct/bypass setting) |
| 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 |
| Drivers | 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 |
| Input Connectors | Ceramic block with brass inserts |
| Color | White |
| Backcan | formed steel (integrated backcan) |
| Baffle/Rim | ABS baffle with UL94-V0 and UL94-5VB flame class fire rating. |
| Plenum Usage | Yes, backcan included |
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