진공관Top 20000MeaningsNoun1. vacuum tube (electronics)Pronunciationjin'gonggwanExamples1100W급 진공관 앰프를 집에서 사용하고 싶다면 감쇠기는 필수다.If one wants to use a 100-watt tube [guitar] amp at home, [using] an attenuator is a must.