Electro-Voice hpt94 User Manual
U.S.A. and Canada only.
For customer orders, contact the Customer Service department at
800/392-3497 Fax: 800/955-6831
For warranty repair or service information, contact the Service
Repair department at 800/685-2606
For technical assistance, contact Technical Support at 866/78AUDIO
Please refer to the Engineering Data Sheet for warranty information.
Specifications subject to change without notice.
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6
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5
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Directivity
The axial directivity factor R
θ
(formerly Q) of the HPT94 horn
was computed at each one-third-octave center frequency from
the horizontal/vertical polars. The graph in Figure 2 illustrates
this data over the range 3 kHz to 20 kHz. The axial frequency
response of the HPT94 horn with a particular driver is in close
correspondence to that driver’s power response above 3 kHz.
the horizontal/vertical polars. The graph in Figure 2 illustrates
this data over the range 3 kHz to 20 kHz. The axial frequency
response of the HPT94 horn with a particular driver is in close
correspondence to that driver’s power response above 3 kHz.
Beamwidth
A plot of the HPT94’s 6-dB-down total included beamwidth
angle is shown in Figure 3 for each one-third-octave center
frequency. The horizontal beamwidth is maintained at 90°
(+20°, -15°) over the range of 3 kHz to 20 kHz. Vertical
beamwidth control occurs only above 4 kHz.
angle is shown in Figure 3 for each one-third-octave center
frequency. The horizontal beamwidth is maintained at 90°
(+20°, -15°) over the range of 3 kHz to 20 kHz. Vertical
beamwidth control occurs only above 4 kHz.
Figure 3: 6-dB-Down Beamwidth versus Frequency
Figure 2: Directivity vesus Frequency
Figure 1: Dimensions
© Telex Communications, Inc. 02/2001
Part Number 38109-970 Rev A
Part Number 38109-970 Rev A
USA
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Hong Kong
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