14Jun

by KDK

2019/06/14 by KDK
Views 640  Replies 4

회로공부 -

30Jan

by KDK

2018/01/30 by KDK
Views 178 

회로공부 영어공부 - 5분

22May

by KDK

2019/05/22 by KDK
Views 529  Replies 2

회로 설명 6SN7 pp Pre-amp

12Jan

by KDK

2019/01/12 by KDK
Views 105 

화성인이 만든 앰프 images

24Mar

by KDK

2019/03/24 by KDK
Views 100  Replies 1

한국사람도 한번 보십시요-- 5분26초 음악배경

28Feb

by KDK

2021/02/28 by KDK
Views 326  Replies 1

한국 No.1 Tube Amp 自作大家

16Jan

by KDK

2018/01/16 by KDK
Views 285  Replies 1

한강의기적 - 어린 일꾼들

24Jan

by KDK

2019/01/24 by KDK
Views 109  Replies 2

통풍 통풍 -- Heat Sink 도 식혀야 합니다

28Nov

by KDK

2017/11/28 by KDK
Views 365  Replies 4

출력파형으로 좋은소리 Amp 구별

25Jan

by KDK

2018/01/25 by KDK
Views 281 

최신 음향장치 - sound bar -2분 45초 영어영상

24Jun

by KDK

2017/06/24 by KDK
Views 150  Replies 1

최고의 소리 는 All Analog 다

14Feb

by KDK

2021/02/14 by KDK
Views 272  Replies 7

최고 무선 이어폰 18분52초 한국말

01May

by KDK

2017/05/01 by KDK
Views 146  Replies 2

찌그러짐 제거 - 공부

13Apr

by KDK

2017/04/13 by KDK
Views 141 

진공관의 병열 -//el- 접속 -Low rp 동작

17Mar

by KDK

2018/03/17 by KDK
Views 181  Replies 6

진공관의 발명 - Western Electric

12Apr

by KDK

2017/04/12 by KDK
Views 140 

진공관은 먼지통

19Jan

by KDK

2019/01/19 by KDK
Views 101  Replies 4

진공관 혁명

17Jan

by KDK

2018/01/17 by KDK
Views 278  Replies 1

진공관 한계에 도전

20Aug

by kdk

2012/08/20 by kdk
Views 5020  Replies 16

진공관 상식

24Aug

by KDK

2017/08/24 by KDK
Views 181 

진공관 高級知識