[Audio Network Information] The development of sound technology we can know that its development history can be roughly divided into four stages: electron tube, transistor, integrated circuit and field effect tube.
In 1906, American DeForrest invented the vacuum triode, which pioneered the human electroacoustic technology. In 1927, Bell Labs invented the negative feedback technology, which made the development of sound technology enter a new era. The representative ones such as "Williamson" amplifiers have successfully used negative feedback technology to make the distortion of the amplifier. Greatly reduced, until the development of tube amplifiers in the 1950s reached a climax, various tube amplifiers emerged one after another. Because the tube amplifier sounds sweet and round, it is still preferred by enthusiasts.
The emergence of transistors in the 1960s has enabled the majority of audio enthusiasts to enter a broader sound world. Transistor amplifiers feature exquisite and impressive sound, low distortion, wide frequency response and dynamic range.
In the early 1960s, the United States first introduced a new member of the audio technology - integrated circuits. In the early 1970s, integrated circuits were gradually recognized by the audio industry for their high quality, low price, small size, and many functions. Up to now, thick film audio integrated circuits and operational amplifier integrated circuits have been widely used in audio circuits.
In the mid-1970s, Japan produced the first field effect power tube. Because the field effect power tube has the pure thick and sweet tone of the tube, and the dynamic range of 90dB and THD<0.01% (100kHz), it is very popular in the audio industry. Many of today's amplifiers use FETs as the final stage output.
The development of sound technology has experienced the historical period of tubes, transistors, and FETs, and each has its own characteristics in different historical periods. It is expected that the future development of audio technology will be digital audio technology.
In 1906, American DeForrest invented the vacuum triode, which pioneered the human electroacoustic technology. In 1927, Bell Labs invented the negative feedback technology, which made the development of sound technology enter a new era. The representative ones such as "Williamson" amplifiers have successfully used negative feedback technology to make the distortion of the amplifier. Greatly reduced, until the development of tube amplifiers in the 1950s reached a climax, various tube amplifiers emerged one after another. Because the tube amplifier sounds sweet and round, it is still preferred by enthusiasts.
The emergence of transistors in the 1960s has enabled the majority of audio enthusiasts to enter a broader sound world. Transistor amplifiers feature exquisite and impressive sound, low distortion, wide frequency response and dynamic range.
In the early 1960s, the United States first introduced a new member of the audio technology - integrated circuits. In the early 1970s, integrated circuits were gradually recognized by the audio industry for their high quality, low price, small size, and many functions. Up to now, thick film audio integrated circuits and operational amplifier integrated circuits have been widely used in audio circuits.
In the mid-1970s, Japan produced the first field effect power tube. Because the field effect power tube has the pure thick and sweet tone of the tube, and the dynamic range of 90dB and THD<0.01% (100kHz), it is very popular in the audio industry. Many of today's amplifiers use FETs as the final stage output.
The development of sound technology has experienced the historical period of tubes, transistors, and FETs, and each has its own characteristics in different historical periods. It is expected that the future development of audio technology will be digital audio technology.
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