
A c o u s t i c s a n d C a b i n e t P l a c e m e n t
There are several things to |
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consider when placing loud- |
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speaker | cabinets. | First |
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determine | the | horizontal |
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coverage | requirements for | XP | |||
the room. When used in a |
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typical | auditorium | setting, |
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position | the speakers as |
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shown in | Fig. B. | Ensure | 70° | ||
adequate sound levels reach |
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each seat in the audience by |
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walking | through | the entire |
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| for any |
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gaps in coverage then reposition speakers as nec- essary. Recheck sound coverage with a full audi- ence in attendance, if possible.
The XP Series horn has a horizontal coverage angle of 70º and a vertical coverage of 35º; bass
speakers are | nearly | |
o m n i d i re c t i o n a l . |
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When setting | up | FIG. C |
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| Other | considera- | ||
FIG. B | tions |
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bass |
| frequency | ||
Stage | performance and | |||
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XP | f e e d b a c k . . . | |||
| When | a | XP | |
| speaker is placed | |||
| near a wall, there | |||
70° | will | a | ||
| quency | boost of | ||
Audience | up to 3dB. | The | ||
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drawback is that close proximity to
a wall may also cause feedback.
To avoid feedback: Increase the distance between speakers and the feedback source whether it is a wall, a microphone, or a guitar. Use
pointed away from speakers.
your XP Series |
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enclosures as a |
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“single unit,” aim |
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| 70° |
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the cabinets 70° | 1 |
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apart as shown in | 4 |
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0 |
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FIG. C, for 140° | ˚ |
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of horizontal cov- | H |
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erage. |
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XP
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Sound quality is often compro- mised when a sound system is required to be hidden from sight. Remember that the location of your loudspeaker cabinets will affect sound qual- ity and coverage area more than
any other factor.
S p e a k e r C a b l e s
Power and audio signal cables are a | Prevent power loss and the degradation of signal quality by |
common sources of sound system fail- | using the recommended cable gauges below. |
ure. Quality cables, carefully maintained, |
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are essential to the reliability of the entire | Cable that suppplys one cabinet, such as the cable to the last |
sound system. Long cable connections | cabinet in a |
or cables supplying multiple speaker | • Up to |
cabinets must be of a sufficient gauge to | • Up to |
transfer all of the available amplifier |
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power to the speakers. As a rule, thick- | Cable that suppplys two cabinets, such as the cable from the |
er cables (lower gauge numbers) are | amp to the first cabinet in a |
more efficient because they absorb less | • Up to |
power themselves. | • Up to |
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