Wireless Microphone, Microphone Usage Precautions We all know? Talk to everyone today Wireless microphone, Microphone Notes, I hope we can provide some help, let alone know that we come to understand.
1, impedance matching
The best match between the output impedance of the wireless microphone and the input impedance of the amplifier when using a wireless microphone is the best match, with a mismatch ratio of more than 3: 1 that can affect the transmission. For example, 50Ωwireless microphone connected to the input impedance of 150Ω amplifier, although the output can increase nearly 7Db, but the high and low frequency sound will be a significant loss.
2, the angle between the sound source and wireless microphone
Each wireless microphone has its effective angle, the general sound source should be aligned wireless microphone centerline, the larger the declination between the two, the greater the loss of treble. Sometimes when using a wireless microphone, with the sound of ,then deflect it some angle, you can reduce some.
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3, Wireless microphone location and height
When amplifying, wireless microphone do not place or aim the speaker close to the speaker first, otherwise it will cause howling.
The height of the wireless microphone should be determined by the height of the sound source. If a person speaks or a few people sing, the height of the wireless microphone should be consistent with that of the singer. When the number of wireless microphones is too high, the wireless microphone should be placed on an average height and properly Make sure to position the singers and accompaniment as well as the position of the various instruments in the team, without overruns, lightness, and full sound at the effective angle of the wireless microphone.
Wireless microphone in use should prevent knocking or falling. It is not suitable to use the method of blowing air or tapping to test the microphone, otherwise it is very easy to damage the wireless microphone.
Wireless microphone When using or recording your voice outdoors, a draft shield should be used to avoid "pop" sound from entering the air. The draft shield also prevents dust from contaminating the wireless microphone.
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