Dispersion Characteristics; Altering The Hf Horn Dispersion - D&B E8 Manual

Fig. 7: Isobar diagram E8 horizontal,
standard setup
Fig. 9: Isobar diagram E8 horizontal,
horizontal setup with the horn rotated
E8 Manual,

Dispersion characteristics

The graphs below show dispersion angle over frequency of a single E8
cabinet plotted using lines of equal sound pressure (isobars) at –6 dB
and –12 dB.
Fig. 8: Isobar diagram E8 vertical,
standard setup
Fig. 10: Isobar diagram E8 vertical,
horizontal setup with the horn rotated

Altering the HF horn dispersion

The HF horn can be rotated through 90° within the coaxial driver
assembly.
CAUTION !
Potential risk of personal injury due to falling objects.
- Set the correct horn orientation before suspending the
cabinet.
- Do not remove the front grill while the cabinet is mounted or
flown above the ground.
Tools required: screw driver or an appropriate coin.
- Undo the quick locks at the top and bottom of the front grill and
remove the grill
- Pick the horn at its outer edges and turn it until it snaps into the
desired orientation.
- Relocate and fix the front grill.
CAUTION: Make sure both quick locks of the front grill are locked
correctly before using the loudspeaker.
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