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Different characteristics of headphones – Headphone Wholesale

22 views Yuda Electronic (HK) Technology Co.,Limited. 2018-09-06

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In general, the headset is divided into five categories: piezoelectric headphones, moving iron headphones, dynamic headphones, electrostatic headphones, pneumatic headphones.

 

Dynamic headphones: This is the most popular way of headphones today. The coil is fixed on the diaphragm, placed in a fixed magnetic field caused by the permanent magnet, the signal is cut through the coil, and then the diaphragm is oscillated together. The strength is that the manufacturing is relatively simple, the linearity is good, the distortion is small, and the frequency response is wide. The defect is low power.

 

Piezoelectric earphones: use the piezoelectric effect of piezoelectric ceramics to make sound. High power and high frequency. Defects: large distortion, high driving voltage, low frequency response, and poor resistance to shock. These earphones are mostly used for telegraph transmission and reception. A small number of headphones use piezoelectric ceramics as high-pitched sounds.

 

Moving iron earphones: The use of an electromagnet to attack an alternating magnetic field, some of which is suspended in front of an electromagnet. When the signal passes through the electromagnet, the magnetic field of the electromagnet changes, and then the iron piece oscillates. The advantage is long service life and high power. The defect is that the distortion is large and the frequency response is narrow. Often used in previous telephone handsets.

 

Different characteristics of headphones - Headphone Wholesale

 

Electrostatic earphone: also known as electrostatic plane diaphragm, which is directly electroplated or printed on a very thin plastic film, placed in a strong electrostatic field, and the signal is cut through the coil. The movement of the diaphragm oscillates. The strength is good linearity, small distortion, light diaphragm quality, high frequency response. Defects are expensive and powerless.

 

Pneumatic earphones: The air pump and air valve are used to control the airflow, and the air pressure and flow are directly manipulated to make the air oscillate. Sometimes the gas valve is replaced by a high-powered speaker. Such headphones are commonly used on airplanes, which are actually only a gas duct. The advantage is that the electric drive power is high. The defect is large distortion, narrow frequency response and high noise.

 

Dynamic headphones: It is the most widely used earphones. It is divided into many types according to different application intentions. Different phone headset wholesale manufacturers have different earphone features.

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