d&b Y7P - Manual (Page 8)

2.4. Dispersion characteristics
The following graphs show dispersion angle over frequency of a
single cabinet plotted using lines of equal sound pressure (isobars)
at –6 dB and –12 dB.
Isobar diagram horizontal
Y7P
vertical setup
Isobar diagram vertical
Isobar diagram horizontal
Y7P
horizontal setup,
horn rotated
Isobar diagram vertical
d&b Y7P/Y10P Manual 1.2 en 8