A & B Components
There are three reason might cause the problems,
1. Lower sensitivity of microphone
The sensitivity of the condenser microphone is from -36
dB to -48 dB (0dB= 1V/Pa). If we use -44 dB microphones, the sound will
The impedance for the amplifier will affect the sensitivity
and the frequency response.
3. Defective design of mechanism
The over-length or curved sound receiving holes leads to lower or unnatural sound.
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