D&B E12 - Dispersion Characteristics

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 E12 horizontal, standard setup
Isobar diagram E12 vertical, standard setup
Isobar diagram E12 horizontal, horizontal setup with the
horn rotated
Isobar diagram E12 vertical, horizontal setup with the horn
rotated
d&b E12/E12-D Manual 2.1 en8