d&b audiotechnik ALi90 Manual - Halaman 10
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ALi60 horizontal isobars
ALi90 horizontal isobars
10
2.4 Dispersion characteristics
The graphs below show the horizontal and vertical dispersion
angles over frequency plotted using lines of equal sound pressure
(isobars) at –6 dB and –12 dB. The nominal horizontal dispersion
is maintained down to 550 Hz (ALi60)/370 Hz (ALi90).
ALi60
horizontal setup
ALi60 vertical isobars
ALi90
horizontal setup
ALi90 vertical isobars
d&b ALi60/ALi90 Manual 1.1 en