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Xn Three-Way LF/MB/HF System
Figure 2 — Frequency Response
The frequency response of the Xn was
measured on axis in the far field in an
anechoic environment using a swept sine-
wave signal. The Klark Teknik DN8000 digi-
tal electronic unit was used to provide the
necessary crossover filters, equalization
and time delay. One watt of power (4.00-
volts rms at 500 Hz) was applied to the mid
band of the mid-bass section. The sound-
pressure level was normalized for an
equivalent one meter distance.
Figure 3 — Beamwidth
The beamwidth of the Xn, (i.e., the included
horizontal and vertical coverage angles at the
-6-dB points) was measured with a full-
spherical measurement system as described
in Figure 1.
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