d&b audiotechnik AL60 Руководство - Страница 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