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Design and Implementation of a Practical Long-Throw High-Q CBT Array

机译：实用的长距离高Q CBT阵列的设计与实现

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This paper describes the design and construction of a very-tall 5m experimental passive long-throw high-Q CBT array that provides coverage in a large church general-purpose activity room with a full-size basketball court. The room is 7.8 × 20 × 30 m (H × W × L). The 5 m tall 20° circular- are array contains 80 ea 63.5 mm (2.5") full-range drivers, and provides a tight 15° vertical beamwidth. The mechanically aimed no-DSP passive segmented design is composed of five straight-front boxes each containing 16 drivers. Series-parallel connections, resistive attenuators, and two power amplifiers provide the frequency-independent four-bank CBT shading. This paper also provides detailed simulation data of the array's predicted beamwidth vs. frequency, directivity, vertical polar response, axial foot prints and predicted frequency response at three different downward tilt angles. The array provides very-even coverage along the entire length of the 30 m room.
机译：本文介绍了一个高5m的实验性被动长掷高Q CBT阵列的设计和构造，该阵列可在带有大型篮球场的大型教堂通用活动室中提供覆盖。房间为7.8×20×30 m（H×W×L）。高度为5 m的20°圆形阵列包含80个ea 63.5 mm（2.5“）全范围驱动器，并提供了紧密的15°垂直波束宽度。机械对准的无DSP被动分段设计由五个直前盒组成每个都包含16个驱动器，串联并联，电阻衰减器和两个功率放大器提供了与频率无关的四组CBT阴影;本文还提供了阵列的预测束宽与频率，方向性，垂直极化响应的详细仿真数据，轴向足迹和在三个不同的向下倾斜角度下的预期频率响应，该阵列在30 m的整个房间范围内提供了非常均匀的覆盖范围。

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