8138

8" (200 毫米) 全频域吸顶扬声器,与预装安装罐配套使用

8138
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8" (200 mm) 全音域吊顶扬声器,适用于
预安装背筒

8138 是一款 8" 吊顶扬声器,设计用于与预安装的吊顶背筒配合使用,实现高保真性能,价格极具竞争力。8138 非常适合各种商业音响应用,从餐厅和零售到专业办公室和接待区。

 

特点

  • Stylish, contemporary appearance enhances any decor.
  • Clear sound from an 8 inch dualcone full-range driver.
  • Very high sensitivity of 97 dB for maximum sound levels using minimum amplifier power.
  • 6W transformer for use on 70V/100V distributed speaker lines
  • Installs to in-ceiling backboxes having 4 mounting points on an 11.25" (286 mm) diameter mounting circle.
  • For use with MTC-81BB8 backcan and MTC-81TB8 tile bridge
 

下载

Specifications
  大小 上传日期
file type icon 8138 Spec Sheet
更新: 10月 2020
363.0 KB 10月 2020
Brochures
  版本 语言 大小 上传日期
file type icon Control Contractor Brochure (2024)
en 版本 D, 更新: 2月 2024
en  14.0 MB 2月 2024
Compliances
  大小 上传日期
file type icon 8138 Declaration of Conformity
更新: 10月 2020
88.0 KB 10月 2020
Software
  版本 大小 上传日期
Windows download icon Distributed System Design (DSD)
版本 3.9, 更新: 11月 2025
3.9   611.8 KB 11月 2025
FAQs
  大小 上传日期
file type icon 8138 Frequently Asked Questions
更新: 10月 2020
31.5 KB 10月 2020
Images
  大小 上传日期
file type icon 8138 Hi Res Image
更新: 10月 2020
12.1 MB 10月 2020
Speaker Tunings
  版本 大小 上传日期
file type icon Commercial, CBT, and AWC Tunings 220616
版本 A, 更新: 5月 2023
557.0 KB 5月 2023
Accessories
  版本 大小 上传日期
file type icon Ceiling Speaker Accessory Guide
版本 2026-04, 更新: 5月 2026
2026-04  570.0 KB 5月 2026
Quick Start Guides
  大小 上传日期
412.3 KB 6月 2025

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零件与服务

性能

Drivers 200 mm (8 in) Full-Range, Dual-cone
频率范围 (-10dB) 95 Hz – 18 kHz
覆盖角度 90° conical

灵敏度

97 dB (2k - 8k Hz)
Driver Power Capacity 40W (160W peak), 2 hrs25W (100W peak), 100 hrs
变压器抽头 6W, 3W, 1.5W, (0.75W at 70V only)
输入接口 Bare Wire
Magnet 10 ounces (283 g)
Safety Agency Transformer is UL registered per UL1876
安装方式 Full assembly consists of 8138 speaker plus MTC-81BB8 backbox andMTC-81TB8 tile bridge. Four screw holes at industry standard 286 mm (11.25 in) mounting circle.
Dimensions (Diameter x Depth) 327 mm (12.9") diameter baffle x 84 mm (3.3") depth from back of baffle. Overall depth, 99 mm (3.9")
Mounting points 4 points on 286 mm (11.25 in) diameter mounting circle
Ceiling Cutout Size 300 mm (11.75") with tile bridge and backbox.228 mm (9.0") diameter as stand alone.
净重量 1.4 kg (3.0 lb)

随附配件

Integral grille, 4 pcs M4 x 40 mm tapping screws
Optional Accessories MTC-81BB8 backcan, MTC-81TB8 tile bridge
额定功率 See transformer taps
Maximum SPL (1m) 105 dB (top 70V/100V tap)
颜色 White
Backcan formed steel (accessory)
Baffle/Rim Plastic
Plenum Usage Yes, with accessory backcan

配件

MTC-81BB8 | Pre-Install In-Ceiling Backcan
MTC-81BB8 Main photo
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MTC-81BB8 detail thumbnail #1

Pre-Install In-Ceiling Backcan

The MTC-81BB8 is designed for use in applications requiring preinstalled backcans and is compatible with ceiling speakers having a 286 mm (11.25 in) mounting circle diameter, such as the JBL 8138 ceiling loudspeaker, and the JBL MTC-81TB8 tile bridge for suspended ceilings.

  • Fits 8138 speaker and MTC-81TB8 Tile Bridge
  • Extra-large 7.4 liter (0.26 cu ft) volume allows for extra bass
  • Industry standard 286 mm (11.25 in) mounting circle
  • Five conduit knockouts
  • Nesting during storage minimizes storage space requirements

说明书
MTC-81TB8 | 预安装天花板瓷砖桥用于预安装后箱
MTC-81TB8  Main photo
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MTC-81TB8  detail thumbnail #1

预安装天花板瓷砖桥 用于预安装背盒

MTC-81TB8瓷砖桥设计用于需要在悬挂天花板应用中预安装的背盒,并与具备286 mm(11.25 in)安装圆圈直径的天花板扬声器兼容,如JBL 8138天花板音箱和JBL MTC-81BB8预安装背盒。

  • Fits 8138 speaker and MTC-81BB8 backbox
  • Load-bearing bridge eliminates ceiling tile sag by distributing weight to the ceiling’s support system
  • Rust-resistant 19-Gauge (1 mm thick) steel construction and e-coated finish ensures long service life.
  • Fits 610 mm (24 in) and 600 mm (23.6 in) tile grids

说明书

新闻

支援/最常见问题

HARMAN Professional Solutions: