Microphone Basics - Steren WR-057 Manual De Instrucciones

6. MICROPHONE BASICS

The mic is ideal to close voice situations and may be used in the hand or in a
stand. Remember that the microphone use technique is according to the user's
likes and needs, and doesn't exists a "correct " way to use it.
Proximity Effect
When the sound source is less than ¼" from the microphone, the microphone
boosts bass Frequencies (by 6 to 10 dB at 100 Hz), creating a warmer and richer
bass sound than when farther away.
Feedback
Feedback occurs when the amplified sound from any loudspeaker reenters the
sound system through any open microphone and is repeatedly amplified. Most
commonly, feedback is caused by the following conditions:
placing loudspeakers too close to microphones, having too many open active
microphones, boosting tone controls indiscriminately (mainly treble) and performing
in areas with high ratios of room surfaces that have hard and reflective surfaces such
as glass, marble and wood.
What to do if feedback occurs before the sound system is loud enough?
• Request that the talker speak louder into the microphone.
• Reduce the distance from the talker to the microphone.
• Reduce the number of open microphones.
• Move the loudspeaker farther away from the microphone.
• Move the loudspeaker closer to the listener.
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