Galaxy Audio Core X250 Kullanıcı El Kitabı - Sayfa 10

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MAXIMIZING GAIN

Figure 1.1 represents the worst possible case of gain limiting; the microphone is pointed directly at the speaker. Any in-
1
/
crease in volume will instantly produce feedback. As little as
of the amplifier's power may be available. With a 100
1000
1
/
watt amplifier, that's only
of a watt. In Figure 1.2 , the distance between the microphone and the speaker has increased
10
to 500 feet, allowing 100 percent gain (all 100 watts of power may be utilized without producing feedback). Of course,
these are extremes, but they illustrate the importance of speaker and microphone placement in determining the gain of the
system. In most cases it's not possible to locate the microphone 500 feet from the speakers. The challenge is to position
the speakers to adequately cover the listening area while positioning the microphone to maximize the gain.
Figure 1.1
Figure 1.2
8