JBL EON 315, Instructions Manual

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Section 5: Loudspeaker Placement and Suspension
The following guidelines will help you achieve optimum sound wherever you use your EON ® loudspeakers:
Raise the speakers as high as possible.
For best results try to get the high frequency horn at least 2 to 4 feet above the heads of the audience. If the
speakers are too low, the people in the back of the audience will not receive the best quality sound.
Place the speakers between the microphones and the audience.
Feedback occurs when the microphones pick up sound from the speakers and “feed” the sound back through
the sound system. If space is limited, point the speakers away from the microphones to reduce feedback.
Locate the speakers away from turntables.
Low-frequency feedback occurs when the output of the speaker is picked up by the tone arm of the turntable
and is re-amplified. A heavy, solid turntable base and shock mounting can also reduce this type of feedback in
DJ applications.
Use more speakers in large or highly reverberant spaces.
Spreading speakers throughout these spaces will produce much better sound than trying to compensate with
loudness level or equalization. For very long distances, the use of another set of speakers with time delay is
recommended.
Stand speakers upright for PA - Tilt the speakers back on the side for stage monitoring. Upright stance
provides even coverage over a wide area. EON speakers are also designed with two slanted positions for
stage monitoring applications.