Electro-Voice Constant-Directivity Horn HP66 دليل المستخدم

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HP66
™
TransPlanar
Constant-Directivity
Horn
General Product Description
®
The Electro-Voice HP66 is a wide-range, flat-front,
constant-directivity, high-frequency horn. With the
HP66, a horizontal dispersion angle is controlled over
a frequency range of 1.6 kHz to 20 kHz, and the vertical
angle is controlled from 1.25 kHz to 20 kHz, both with
unusual precision and adherence to the intended angle.
Furthermore, excellent loading is maintained to a low
frequency of 1000 Hz.
The flat-front TransPl

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Ds imensions: Inche A8 1.93 B0 5.0 C5 8.7 D0 11.0 E0 4.0 F4 0.281 x G2 6.5 H3 6.3 Figure 1: Dimensions Directivity The directional characteristics of the HP66 were measured in Electro-Voice’s large anechoic chamber using a stock Electro-Voice® DH1A. The test signal was one-third-octave filtered pink-noise at the frequencies indicated. A full spherical measurement system was used. All directional information was measured at 6.1 meters (20 feet) from the horn. Figure 2: Directivity vesus Frequen