What is the sound-producing principle of the old record player?

The old-fashioned record player, the phonograph, is based on the principle of sound generation:

The vibration of the sound is recorded on the record, that is, the pitted grooves carved on the record, which is a circle of tracks on the turntable. This converts the sound signal into a mechanical signal - a vibration.

Playback is the reduction of the mechanical signal to sound. The key device is the pickup, when the record is rotating, the pickup needle in the track relative to the slide, the track of the potholes or curves will make the needle vibration, then even if there is no electricity, listen carefully will hear the sound, but the volume is too small.

The vibrations that the needle receives are converted into an electrical signal by a pickup, which is demodulated in a series of ways, amplified by a terminal -- a speaker -- that produces the sound that you hear on the record.

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Development status

With the improvement of the standard of living, the market of the modern version of the record player also came into being, and there are more and more manufacturers of record players in China. This high-grade record player is mainly located in villas, western restaurants, clubs, hotels and other high-consumption places.

The modern record player has been improved again and developed into a kind of nostalgic fashion, which began to return to the life of modern people gradually. Modern record player combined with the latest technology, audio technology and DVD, radio, vinyl jukebox, MP3, video output and the perfect integration of classical art modeling, set of functionality and decorative in one, unique and noble design is to show personality.

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