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Dispersion characteristics, Altering the hf horn dispersion – d&b E8 User Manual

Page 7

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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. 7: Isobar diagram E8 horizontal,
standard setup

Fig. 8: Isobar diagram E8 vertical,
standard setup

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

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.

E8 Manual,

(1.3 EN)

Page 7 of 10