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这几年“胆”“石”之争从来就没有停止过。依笔者认为：随着半导体的发明和数码音源的应用，电子管的退出、复出符合事物发展“螺旋式”的客观规律。与晶体管相比，电子管肯定有许多缺点，但是也有许多晶体管所没有的优点。哪怕在今后纯数字功放普及时，电子管这些优点也决定?
In recent years, the “gall” and “stone” disputes have never stopped. In the author’s opinion: With the invention of the semiconductor and the application of the digital audio source, the exit of the electron tube and the return of the electron tube conform to the objective law of “spiral” in the development of things. There are certainly many drawbacks with transistors compared to transistors, but there are many advantages that transistors have. Even in the future when pure digital power amplifier popularization, the advantages of these tubes also decide?