중국산 진공관 앰프
http://audiopub.co.kr/2017/12/29/%EB%85%BC%EB%A6%AC%EC%A0%81%EC%9C%BC%EB%A1%9C-%ED%83%80%EB%8B%B9%ED%95%9C-%ED%95%98%EC%9D%B4%EB%B8%8C%EB%A6%AC%EB%93%9C-%EC%A7%84%EA%B3%B5%EA%B4%80-%ED%82%A4%ED%8A%B8/ http://audiopub.co.kr/2017/10/09/%EC%A4%91%EA%B5%AD-%EB%85%B8%EB%B8%8C%EC%82%AC%EC%9A%B4%EB%93%9C-%EC%95%B0%ED%94%84-%EC%82%AC%EA%B8%B0%EA%BE%BC%EB%93%A4%EC%9D%98-%ED%95%A9%EC%9E..