d&b E12 - Manual (Page 7)

Dispersion characteristics
The graphs below show dispersion angle over frequency of a single
E12 cabinet plotted using lines of equal sound pressure (isobars) at
– 6 dB and –12 dB.
Fig. 6: Isobar diagram E12 horizontal,
standard setup Fig. 7: Isobar diagram E12 vertical,
standard setup
Fig. 8: Isobar diagram E12 horizontal,
horizontal setup with the horn rotated Fig. 9: Isobar diagram E12 vertical,
horizontal setup with the horn rotated
Fig. 10: Isobar diagram E12-D horizontal,
standard setup Fig. 11: Isobar diagram E12-D vertical,
standard setup
Fig. 12: Isobar diagram E12-D horizontal,
horizontal setup with the horn rotated Fig. 13: Isobar diagram E12-D vertical,
horizontal setup with the horn rotated
E12, E12-D Manual (1.2 EN) Page 7 of 10