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Yaqin, those things that chatter (electronic pipe amplifier)
Electronic tube, this earliest, electric signal enlargement, has already had a history of more than a hundred years, let's first take a look at the history of the development of the tube.
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2019 Guangzhou International Audio Record Exhibition
A wonderful review of Yaqin Amplifier Audio 2019 Guangzhou International Audio Record Exhibition
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Guangzhou International Audio & records exhibition 2019
The Guangzhou International Audio Record Fair has been successfully held for 25 sessions and is currently the largest civil audio exhibition in China.
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