12 英寸同轴天花板扬声器，带HF压缩驱动器
Control 321CT 是从零开始设计，以在同轴点声源设计的天花板扬声器中提供卓越的下一代性能。
较大的图像
特点
- Consistent 90° broadband pattern control.
- Components
• 300 mm (12 in) woofer with Kevlar-reinforcedcone with 50 mm (2 in) voice-coil.
• 25 mm (1 exit) compression driver. - Extraordinary clarity for speech and vocals with extended frequency response for music.
- 250 Watt power handling with high sensitivity provides high SPL capability.
- Advanced high-slope crossover network for constant coverage and smooth, natural midrange.
- Clean, contemporary grille and optional backbox available.
下载
Specifications
| 大小 | |
|
|
1.5 MB |
Manuals
| 大小 | |
| 59.2 KB | |
|
|
15.4 KB |
Brochures
| 大小 | |
|
|
23.0 MB |
|
|
2.9 MB |
|
|
21.0 MB |
版本 A,
更新: 3月 2026
CAD Drawings
| 大小 | |
|
|
1.4 MB |
Compliances
| 大小 | |
|
|
179.3 KB |
|
|
92.7 KB |
Software
| 大小 | |
|
|
611.8 KB |
EASE Files
| 大小 | |
|
|
1.1 MB |
User Guides
| 大小 | |
|
|
2.0 MB |
Accessories
| 大小 | |
|
|
570.0 KB |
Install Guides
| 大小 | |
|
|
574.0 KB |
如果上述任何链接在您的浏览器中显示为奇怪的字符，请右键点击文件以将其保存到您的计算机。
零件与服务
性能
| 频率范围 (-10dB) | 34 Hz – 18 kHz |
| 额定功率 | IEC Long-Term System Power Rating: 250 W continuous pink noise (1000 W peak), 2 hrs 200 W continuous pink noise (800 W peak), 100 hrs |
| 变压器抽头 | 68W, 34W, 17W, (& 8.5W @ 70V) |
| Frequency Response (±3 dB) | 47 Hz – 16 kHz |
| 覆盖角度 | 90° conical, constant directivity |
| Directivity Factor (Q) | 8.7 (1k - 16kHz) |
| Directivity Index (DI) | 9.4 dB (1k - 16kHz) |
灵敏度 |
94 dB (1 kHz - 16 kHz) |
| Crossover Network | 1.8 kHz, 3rd order (18 dB/oct) high-pass plus conjugate to HF, 2nd order low-pass to LF |
| 尺寸（高 x 宽 x 厚） | 366 x 366 mm (14.4 x 14.4 in) square baffle x depth from back of baffle of 240 mm (9.5 in) |
| Maximum SPL (1m) | 118 dB (top 70V/100V tap) |
| 输入接口 | Screw locking barrier strip for bare wire |
| Drivers | LF Driver: 300 mm (12 in) HF Driver: compression driver, 25 mm (1 inch) coil |
| 颜色 | White |
| Safety Agency | Suitable for use in air handling spaces per UL1480, UL2043, NFPA90 & NFPA 70 when installed with UL listed backcan such as JBL MTC-300BB12. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849. |
| Backcan | formed steel (wood-lined; accessory) |
| Baffle/Rim | Metal, driver pre-mounted to baffle, ported. |
| Ceiling Cutout Size | 378 x 378 mm (14.9 x 14.9 in) (for MTC-300BB12 backcan) |
随附配件 |
Ported baffle pre-attached, transformer on 321CT. |
| Optional Accessories | MTC-300SG12 Grille, square contoured, white. MTC-300BB12 Backbox, 80 liters (3 cubic feet) MTC-300T150 Transformer, 150 W for use with 321C. |
| Plenum Usage | Yes, with accessory backcan |
配件
MTC-300BB12 | 适用于 Control 300 系列 12 英寸驱动器的 3 立方英尺后箱
较大的图像
适用于 Control 300 系列 12 英寸驱动器的 3 立方英尺后箱
专业系列
- 超厚16号金属构造。
- 内衬12毫米（½英寸）厚MDF，可消除谐振并提供额外的低音响应。
- 顶部和四个侧面均配有开孔。
- 挡板双重安装系统。
- 用于可选高功率70V/100V变压器的安装平台。
说明书
-
MTC-300BB12 Spec Sheet
[2.5 MB]
-
Accessing the Conduit Knockouts
[115.6 KB]
-
Control 300 Ceiling Speaker Backboxes / Backcans
[1.1 MB]
-
Control 300 Ceiling Speakers
[1.4 MB]
-
JBL Brackets
[151.9 KB]
-
Brackets Declaration of Conformity
[141.4 KB]
MTC-300SG12 | Square Grille for Control 300 Series 12 in. Drivers
较大的图像
控制300系列12英寸驱动器的方形网格
专业系列
- Rugged 19 gauge metal construction for enduring reliability.
- Sculpted design for an elegant appearance and perfect for any decor or architectural setting.
- Zinc underplating provides a rust and scratch resistant surface for years of maintenance free wear.
- Powder coat final finish minimizes scratching and can easily be repainted to match any room color.
说明书
-
MTC-300SG12 Spec Sheet
[91.8 KB]
-
JBL Brackets
[151.9 KB]
-
Brackets Declaration of Conformity
[141.4 KB]
MTC-300T150 | 150 Watt Transformer
较大的图像
150 Watt Transformer
For use on either 70V or 100V distributed loudspeaker lines.
说明书
-
MTC-300T150 Spec Sheet
[220.3 KB]
顾问支持