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2020
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Planar magnetic transducer is commonly known as planar diaphragm unit (also known as field pole type) or quasi ribbon unit. If the horn is made of this unit, it is called planar diaphragm horn. As early as 1920's, the planar diaphragm horn was developed simultaneously with the moving coil unit. However, due to technical limitations, it was not commercialized until after 1970's. The planar diaphragm unit is driven by magnetic force just like the moving coil unit, but its voice coil is not rolled into a circle like the moving coil unit, but scattered evenly on a planar diaphragm. The flat diaphragm unit can be used as a treble unit, a midrange unit, or a bass unit.
2020
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12
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31
Good frequency characteristic, flat amplitude frequency characteristic curve in the audio range, which is better than dynamic microphone; non directional; high sensitivity, low noise, soft voice; large output signal level, small distortion, good transient response performance, which are the advantages of dynamic microphone; The working characteristics are not stable enough, the sensitivity of low frequency band decreases with the increase of service time, the service life is relatively short, and the use of DC power is inconvenient.
2020
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12
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31
Good frequency characteristic, flat amplitude frequency characteristic curve in the audio range, which is better than dynamic microphone; non directional; high sensitivity, low noise, soft voice; large output signal level, small distortion, good transient response performance, which are the advantages of dynamic microphone; The working characteristics are not stable enough, the sensitivity of low frequency band decreases with the increase of service time, the service life is relatively short, and the use of DC power is inconvenient.
2020
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12
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31
Good frequency characteristic, flat amplitude frequency characteristic curve in the audio range, which is better than dynamic microphone; non directional; high sensitivity, low noise, soft voice; large output signal level, small distortion, good transient response performance, which are the advantages of dynamic microphone; The working characteristics are not stable enough, the sensitivity of low frequency band decreases with the increase of service time, the service life is relatively short, and the use of DC power is inconvenient.
2020
-
12
-
31
Good frequency characteristic, flat amplitude frequency characteristic curve in the audio range, which is better than dynamic microphone; non directional; high sensitivity, low noise, soft voice; large output signal level, small distortion, good transient response performance, which are the advantages of dynamic microphone; The working characteristics are not stable enough, the sensitivity of low frequency band decreases with the increase of service time, the service life is relatively short, and the use of DC power is inconvenient.
2020
-
12
-
31
Good frequency characteristic, flat amplitude frequency characteristic curve in the audio range, which is better than dynamic microphone; non directional; high sensitivity, low noise, soft voice; large output signal level, small distortion, good transient response performance, which are the advantages of dynamic microphone; The working characteristics are not stable enough, the sensitivity of low frequency band decreases with the increase of service time, the service life is relatively short, and the use of DC power is inconvenient.
2020
-
12
-
31
Good frequency characteristic, flat amplitude frequency characteristic curve in the audio range, which is better than dynamic microphone; non directional; high sensitivity, low noise, soft voice; large output signal level, small distortion, good transient response performance, which are the advantages of dynamic microphone; The working characteristics are not stable enough, the sensitivity of low frequency band decreases with the increase of service time, the service life is relatively short, and the use of DC power is inconvenient.
2020
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12
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31
Electret condenser microphone, commonly known as microphone, is a kind of acoustoelectric converter, belonging to condenser microphone. Electret condenser microphone uses electret material (commonly known as permanent electret) which can store charge as the diaphragm or back electrode, so there is no need for external polarization power supply.
2020
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12
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31
Electret condenser microphone, commonly known as microphone, is a kind of acoustoelectric converter, belonging to condenser microphone. Electret condenser microphone uses electret material (commonly known as permanent electret) which can store charge as the diaphragm or back electrode, so there is no need for external polarization power supply.
2020
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12
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31
Electret condenser microphone, commonly known as microphone, is a kind of acoustoelectric converter, belonging to condenser microphone. Electret condenser microphone uses electret material (commonly known as permanent electret) which can store charge as the diaphragm or back electrode, so there is no need for external polarization power supply.
2020
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12
-
31
Electret condenser microphone, commonly known as microphone, is a kind of acoustoelectric converter, belonging to condenser microphone. Electret condenser microphone uses electret material (commonly known as permanent electret) which can store charge as the diaphragm or back electrode, so there is no need for external polarization power supply.
2020
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12
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The driver of flat earphone is similar to the reduced flat loudspeaker. It embeds the flat voice coil into the thin diaphragm. Like the printed circuit board, it can make the driving force evenly distributed. The magnet is concentrated on one or both sides of the diaphragm (push-pull type), and the diaphragm vibrates in the magnetic field formed by it. The equal magnet earphone diaphragm is not as light as the electrostatic earphone diaphragm, but it has the same large vibration area and similar sound quality.
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