KA12

12 英寸特制全频扬声器系统

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KA12 12英寸特殊全频扬声器系统

KA12 是 JBL 娱乐重点客户(KA)系列扬声器成员之一,性能卓越,专为 KTV 市场打造。KA 系列专为满足卡拉 OK 和人声演绎应用的严苛要求而设计,提供优化的完整音频解决方案,以增强歌唱效果和整体人声清晰度。

KA12 配备 305 mm(12 英寸)防潮低音扬声器单元,采用集成铝环以实现出色的解调与散热效果,具备高功率承载能力、低失真和低功率压缩。同时搭载 2414H-C 25 mm(1 英寸)环形聚合物振膜压缩驱动单元,额定功率为 350 W。70° × 100° 的覆盖范围确保无论扬声器垂直或水平放置,声音分布均匀平滑。此外,KA12 的高阶无源分频网络可最小化频带重叠,进一步改善音频性能。

外壳采用 15 mm 高质量中密度纤维板(MDF)构造,表面采用耐用涂层处理。梯形设计配备 Neutrik NL4MP 连接器、9 个 M10 螺纹集成式安装吊点和 4 个用于安装卡拉 OK 支架的 M10 螺钉。凭借 JBL 标志性的音质表现,KA12 系统带来流畅统一的听音体验,适用于各类 KTV 房间配置。KA12 系统目前仅在中国地区发售。

特点

  • 12-inch high-efficiency woofer design
  • 1-inch annular polymer diaphragm compression driver
  • Durable enclosure constructed of 15 mm medium-density fiberboard with a rugged, durable finish
  • Attractive cloth-backed robust steel grille design
  • Precision-engineered crossover for optimal driver integration
  • Rotatable JBL ENTERTAINMENT logo for choice of horizontal and vertical applications
  • Ideal for karaoke sound reinforcement applications
  • High-performance satellite speaker designed to complement a subwoofer

下载

Specifications
  语言 大小 上传日期
file type icon KA12 Spec Sheet
zh 更新: 4月 2025
zh  2.0 MB 4月 2025
file type icon KA12 Spec Sheet
en 更新: 4月 2025
en  1.9 MB 4月 2025

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零件与服务

性能

Model Name KA12
Frequency Response (±3 dB)² 48 Hz - 20 KHz
2: Peak, unweighted SPL, measured under full-space conditions at 1 meter using broadband pink noise with a 12dB crest factor.
Frequency Range (-10 dB)¹ 80 Hz - 17 KHz80 Hz - 17 KHz
1: Measurement conducted under full-space (4π) conditions.
Coverage 70° x 100° (H x V) °
Power Rating³ (continuous/program/peak) 350 W / 700 W / 1400 W
3: Testing conducted for 2 hours under pink noise with a crest factor of 6 dB, in accordance with IEC standards.
Maximum SPL (1m)³: 122 dB (134 dB peak)
3: Testing conducted for 2 hours under pink noise with a crest factor of 6 dB, in accordance with IEC standards.
System Sensitivity (1W @ 1M)¹: 95 dB
1: Measurement conducted under full-space (4π) conditions.
标称阻抗 8 ohms
HF 驱动程序 JBL 1 x 2414H-C
低频驱动单元 1 x 12″ woofer
Enclosure Trapezoid, 15 mm, MDF
网罩 Black
Input Connector 1 x Neutrik® Speakon® NL4MP
尺寸(高 x 宽 x 厚) 606 mm x 385 mm x 390 mm ( 23.86 in x 15.16 in x 15.35 in )
净重量 21.2 Kg (46.7 lbs)

支援/最常见问题

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