Moving Coil Microphones

The term "moving coil" means that the coil of wire attached to the diaphragm can be moved up and down in a magnetic field in response to changes in sound pressure, thus developing a current that varies in equal proportion to the amplitude of the sound wave, thus converting the acoustic signature into an electrical signal.

The coil of a dynamic microphone cuts directly through the magnetic field to produce a current and does not need to be powered.

It is difficult for a strong person to have a dynamic microphone pick up a high-energy high-frequency part of a wipe, but when picking up a powerful base drum or military drum sound, a ring microphone can perform satisfactorily. Ring mics are also often used to record sounds from electric guitar speakers.

Moving coil microphones are often used extensively for vocal recordings, largely as a 'traditional cultural practice'. This is because the condenser microphones we used to have were bulky and fragile. But while condenser microphones designed for live vocals abound in our country today, the issue of their more expensive average asset price can often make people in China more inclined to develop their own choice of dynamic microphones that can do the teaching job just as well.

Shure sm58 dynamic microphone

Small-diaphragm condenser microphones

Capacitive microphones are designed based on the principle of electrostatics, the diaphragm and back plate constitute as a system capacitive control unit, the diaphragm vibrates with the sound waves of the problem causing the potential difference between it and the back plate to change, thus converting the acoustic characteristic signal into an electrical signal. Capacitive microphone companies generally use built-in amplifiers, as the output of this capacitive construction unit is very weak. The condenser microphone era requires either a 48 V phantom power supply or batteries depending on the external.

The significance of choosing a small diaphragm condenser microphone lies mainly in the fact that those small diaphragms with different diameters between about 12 mm are very important and sensitive for the vibration of a sound wave. The larger the diaphragm, the less sensitive it is to the sound of this microphone and the more pronounced the resonance problems are.

If you want an extremely accurate radio effect, then a small diaphragm condenser microphone is the best choice.

Small diaphragm condenser microphones

Back in the day, microphone manufacturers couldn't make diaphragms as good as they are now, and all condenser microphones at the time should have been called "large diaphragm condenser microphones". Of course, there was no dividing line to define what was a 'large diaphragm' and what was a 'small diaphragm'. As mentioned earlier, a size of approximately 12mm could be called a 'small diaphragm', while a size of 24mm or more could be considered a 'large diaphragm'. When you buy a microphone, we find that some microphones that look large are very small, so diaphragm size is a microphone parameter that we need to pay special attention to.

The advantage of a large diaphragm condenser microphone is that it gives you the kind of sound that studios are particularly known for - not the most natural sound, but a thick, warm sound that feels comfortable no matter what you are recording.

The disadvantage is that the higher the frequency of the sound, the more directional the large diaphragm condenser microphone becomes. This is not a problem if you are using two microphones to pick up stereo sound, but if you are using two microphones to pick up stereo sound, the sound coming from the sides may not be ideal.

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