JBL JRX112M 12寸全频音响 舞台反送音响 全频扬声器 专业音响设备 音响系统 音响工程 扩声系统
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JBL JRX112M 扬声器
12" 两路舞台监听扬声器系统
监听扬声器的作用是演出通过JBL扬声器可清晰地听到他们自己的声音。JRX112M 是一种结构紧凑和低矮外形的设计，因此不占有太多舞台空间或挡住观众视线。舞台监听扬声器看重的是中音清晰度。我们特别注意大限度的优化苛刻的中音特性。利用 JRX112M 高的声压灵敏度和适度的驱动功放可产生足够强大的声压级。JRX112M 包括JBL的双角度柱杆插座，使室内的前、后部分听众能获得一致的声压级。
JRX112Mi：是一种固定安装扬声器系统。3个 M10 眼圈轴栓和线缆托架替代了使携式 JRX112M 的脚、柱杆插座和手柄。
主要技术特性
频率范围(-10dB)1 60Hz-16kHz
频率响应(±3dB) 1 70Hz-12kHz
声压灵敏度(1W/1m) 99dB
额定功率及阻抗2 250W/8Ω
峰值功率(W)2 1000W
推荐功放(W) 250W-500W/8Ω
声压级(1M) 129dB
指向特性(HXV) 90°x 50°
分频频率 1.8kHz
体积(H x W x L) 572x394x318mm
重量(kg) 19.5
低频驱动器(JBL) M112-8
高频驱动器(JBL) 2412 1"
1. “频率范围”和“频率响应”是根据半空间辐射的响应特性
2. “额定功率”和“峰值功率”是根据产品设计样品接受 IEC 标准规定的、具有 6dB 峰值因子的随机噪声功率100 小时功率测试的平均功率和峰值功率的处理能力。
12 in. Two-Way Stage Monitor Loudspeaker System
The JRX112M is a portable, twelve-inch, two-way speaker system designed specifically for live performance stage monitoring applications.
FEATURES
JBL 12 in low frequency driver with a 64 mm (2.5 in) diameter edgewound ribbon voice coil which provides more cross-sectional wire area in the voice coil gap than round wire designs, for greater efficiency and power handling.
Ferro-fluid cooled compression driver with titanium diaphragm improves high frequency performance as well as system reliability.
The advanced network topology crossover design shapes frequency response and delivers "coherent summation" in the crossover region.
High-voltage capacitors and inductors with massive cores and heavy gauge wire enable the crossover network to handle high power without saturating.
Progressive Transition? high frequency waveguide provides superior coverage control, reduced distortion, and smoother frequency response.
The rugged, acoustically superior enclosure is constructed from 19 mm (.75 in) MDF (Medium Density Fiberboard) using advanced adhesives and mechanical fastener technology for extreme durability and improved low-frequency performance.
SonicGuard? protects the highfrequency driver from excess power without interrupting the performance.
Non-resonant, all-steel handles are used.
Attractive 18-gauge hexagon perforated, steel grille protects components from damage.
Dual-angle pole-mount socket allows the speaker to tilt 10°for more uniform audience coverage.
SPECIFICATIONS
Power Rating 250 W / 1000 W
Frequency Range 60 Hz - 16 kHz (-10 dB)
Dimensions
(H x W x D) 572 mm x 394 mm x 318 mm
(22.5 in x 15.5 in x 12.5 in)
Frequency Response 70 Hz - 12 kHz (±3 dB)
Nominal Impedance 8 ohms
Sensitivity 99 dB SPL (1w/1m)
Recommended Amplifier Power 250 W to 500 W into 8 ohms
Maximum SPL 129 dB
Nominal Dispersion 90o x 50o
Crossover Frequency 1.8 kHz
Weight 19.5 kg (43 lb)
High Frequency Driver JBL 2412 1 in exit compression driver mounted on Progressive
Transition? Waveguide
Low Frequency Driver JBL M112-8
Input Connectors Neutrik? Speakon? NL-4 (x1); .25 in TS phone jack (x1); parallel
商品属性 [] 只
