Using the HFC function provides the correct sound balance
between close and remote audience areas, whilst all amplifiers
driving the array can be fed with the same signal.
2.4. Dispersion characteristics
The graphs below show the horizontal dispersion angle over
frequency plotted using lines of equal sound pressure (isobars) at
–6 dB and –12 dB. The nominal dispersion is maintained above
300 Hz (J8)/200 Hz (J12).
Isobar diagram J12 horizontal
Isobar diagram J8 horizontal
d&b J8/J12 Manual 2.2 en8
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