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Shenzhen audio manufacturers take you to see the history of audio development

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Shenzhen audio manufacturers take you to see the history of audio development

Date of release:2019-05-30 Author: Click:

Shenzhen audio manufacturers take you to see the history of audio development

tube

In 1906, DE forrest, an American, invented the vacuum transistor, which pioneered the electro-acoustic technology. In 1927, bell LABS invented the negative feedback technology, which brought the development of sound technology into a new era. Some typical amplifiers, such as Williamson amplifier, successfully used the negative feedback technology, greatly reducing the distortion of amplifiers. In the 1950s, the development of tube amplifiers reached a climax. Due to the main technical indicators of the valve amplifier sound sweet, mellow, is still preferred by enthusiasts.

The transistor

In the 1960s, the appearance of transistor made the majority of sound lovers enter into a broader world of sound. Transistor amplifiers are characterized by exquisite timbre, low distortion, wide frequency response and dynamic range.

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The integrated circuit

In the early 1960s, the United States first introduced the integrated circuit, a new member of the audio technology. In the early 1970s, the integrated circuit was gradually recognized by the audio industry due to its high quality and low price, small size and many functions. Up to now, thick film audio IC and operational amplifier IC are widely used in audio circuits.

The field effect tube

The first field-effect power tube was produced in Japan in the mid-1970s. Due to the field effect, acoustic power tube has the characteristics of pure thickness, sweet tone, dynamic range up to 90dB, THD<0.01% (100kHz), and quickly become popular in the audio industry. Fet is used as final output in many amplifiers today.

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