AKG WMS40 Mode D'emploi page 17

This provides a well-balanced, natural
sound.
If you sing directly into the microphone,
it will not only pick up excessive breath
noise but also overemphasize "sss",
"sh", "tch", "p", and "t" sounds.
4.3 Feedback (Refer to fig. 5)
Feedback is the result of part of the sound
projected by a speaker being picked up by a
microphone, fed to the amplifier, and projec-
ted again by the speaker. Above a specific
volume or "system gain" setting called the
feedback threshold, the signal starts being
regenerated indefinitely, making the sound
system howl and the sound engineer despe-
rately dive for the master fader to reduce the
volume and stop the howling.
To increase usable gain before feed-
back, the microphone element of the
HT 40 handheld transmitter has a super-
cardioid polar pattern. This means that
the microphone is most sensitive to
Fig. 5: Feedback
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