d&b audiotechnik AL60 매뉴얼 - 페이지 9
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AL60 horizontal isobars
AL90 horizontal isobars
d&b AL60/AL90 Manual 1.2 en
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 (AL60)/370 Hz (AL90).
AL60
horizontal setup
AL60 vertical isobars
AL90
horizontal setup
AL90 vertical isobars
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