Extron System Integrator® SI 28W 是双路嵌入式安装式扬声器，配有垂直叠加排放的枢轴转动铁磁流体冷却钛质圆顶高音扩音器和长冲程低音扩音器，可提供平衡的语音和音乐再现。从低音到高音扩音器过渡时予以特别的设计考虑，从而提供低段到中段频率的平滑过渡。
特性
·开放式后腔与无限隔音板设计
·8 ohm 标称阻抗
·2.5 cm (1") 枢轴铁磁流体冷却钛质圆顶高音扩音器
·20.3 cm (8") 长冲程低音扩音器设计用来提高低音响应
·频响：30 Hz 至 20 kHz
·35 瓦连续粉红噪音，70 瓦连续节目
·锁定臂可快速完成嵌入式安装
·只提供白色面网和前盖，可以根据环境定制涂色
·5 年的部件和人工保证
示意图
面板图
| SI 28W | |||
| Audio/acoustic and electrical | |||
|---|---|---|---|
| Speaker type | 2-way in-wall speaker | ||
| Frequency range | 30 Hz to 20 kHz, -10 dB, half space | ||
| Power capacity | 35 W continuous pink noise 70 W continuous program |
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| Nominal sensitivity | 89 dB SPL, 1 W, 1 m, half space | ||
| Nominal impedance | 8 ohms | ||
| Crossover frequency | 2.5 kHz | ||
| Woofer | (1) 8" (203 mm) polypropylene cone with moisture resistant coating | ||
| Tweeter | (1) 1" (25 mm) titanium dome | ||
| Input connector | (1) 5 mm captive screw connector, 2 pole | ||
| General | |||
| Package | 2 speakers (1 pair) | ||
| Temperature/humidity | Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing |
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| Mounting | Wall mountable with included hardware | ||
| Baffle type | Plastic, open back, infinite baffle design, front flush with wall | ||
| Baffle outer dimensions | 14.1" H x 10.0" W x 3.6" D (358 mm H x 254 mm W x 92 mm D) from the front of the grill to the back of the woofer 3.3" D (84 mm D) from the front of the wall surface to the back of the woofer |
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| Cutout dimensions | 12.7" H x 8.7" W (322 mm H x 220 mm W) | ||
| Product weight | Single: 5 lbs (2.3 kg) | ||
| Shipping weight | Pair: 10 lbs (5 kg) | ||
| Warranty | 5 years parts and labor | ||
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中国上海市松江区茸华路 686 号
(联系就说在DAV音视工程网上看到的)
Sales-China@Extron.com
021-3760 1566
爱思创电子（上海）有限公司（爱思创Extron中国）全球总部位于美国加州，是世界领先的专业视音频系统集成产品的生产商。爱思创Extron产品主要包括视音频控制系统、计算机视频接口、切换器、矩阵切换器、分配放大器、音频放大器、扬声器、双绞线和光纤设备、视频图像解析度转换器、视音频信号处理器、视音频流媒体产品、教室声场系统及高分辨率电缆。爱思创Extron电子提供专业视音频工程、培训、设计、演示支持。
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