A high quality audio power amplifier is disclosed, whose quality features the dynamic nature of transistor and the sounds quality of electronic tube. Its key technique is use of c.

本发明提供了一种高品质音频功率放大电路，其品质具有晶体管的动态和电子管的音色，关键技术所在是采用了C。

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The company today demonstrated a continued commitment to raising the bar in quality audio by expanding the line of digital audio products that offer this successful hybrid tube technology.

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Samsung unveiled its unique vacuum tube amplifiers in 2012 with its wireless audio docks.

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These electrostatic headphones with a vacuum tube amplifier, which came onto the market around 20 years ago, have become an icon in the audio world.

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