Galaxy Audio Core PA8X140 Benutzerhandbuch - Seite 8
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Seite druckenMAXIMIZING 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 watt
1000
1
/
of a watt. In Figure 1.2 , the distance between the microphone and the speaker has increased to 500
amplifier, that's only
10
feet, allowing 100 percent gain (all 100 watts of power may be utilized without producing feedback). Of course, these are ex-
tremes, 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 1.2
Figure 1.1
6