音频发生器: acoustic frequency generatoraudio frequency generatoraudio generatortone frequency generatortone generatorvfb voice frequency generatorvfg voice frequency generatorvoice frequency generato
Measurements of the electrical properties of electronic tubes . part 10 : methods of measurement of audio - frequency output power and distortion 电子管电性能的测量.第10部分:音频输出功率和失真的测量方法