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Enjoy listening to music! You must read this comprehensive article on headphones!(Principles)

2022-11-02

Enjoy listening to music! You must read this comprehensive article on headphones!(PART 1)

Principles

Moving coil type: In the moving coil type, there will be metal wires connected to the positive and negative poles of the signal source to form a "voice coil". When the current passes through the "voice coil", it becomes the "electromagnet" and the permanent magnet to repel or attract each other, thereby driving the diaphragm to produce sound. Advantages: mature technology, durable, strong sense of sound scene

Electrostatic: Electrostatic earphones work by the force of an electric field on an electric charge. Its electric charge is provided by a high-voltage polarized power supply, and the electric charge is captured by the edge conductive layer on the extremely thin diaphragm, which makes the diaphragm vibrate and sound. Since electrostatic earphones can provide more detailed high frequency, the quality requirements of the sound source are higher. Advantages: high frequency law response, strong realization of details

Moving iron type: The moving iron "voice coil" is wound on a precision iron sheet called "balanced armature". It is transmitted to the center point of a micro-diaphragm through a precisely structured connecting rod, thereby generating vibration and sound. Advantages: small size, high sensitivity, good sound insulation.

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