17Apr

by KDK

2017/04/17 by KDK

6HZ8 -(3)

13Apr

by KDK

2017/04/13 by KDK

진공관 특성도 여러가지 형태

13Apr

by KDK

2017/04/13 by KDK

한국서 활약하는 Curve Tracer

12Apr

by KDK

2017/04/12 by KDK

high mu -- 6KE8 (5->3) & 6EU7

12Apr

by KDK

2017/04/12 by KDK

12HL7 for 808

11Apr

by KDK

2017/04/11 by KDK

6KV8 vs 437A

11Apr

by KDK

2017/04/11 by KDK

6LF8 - 6EJ7 comparison

09Apr

by KDK

2017/04/09 by KDK

4EW6 5->3

09Apr

by KDK

2017/04/09 by KDK

Design with 4P1L

09Apr

by 이지오디오

2017/04/09 by 이지오디오

4P1L 진공관

09Apr

by KDK

2017/04/09 by KDK
Replies 1

E810F (Tri) --13DR7

05Apr

by KDK

2017/04/05 by KDK
Replies 1

300B vs 13GB5 //el

03Apr

by KDK

2017/04/03 by KDK

Transistor Curve tracer

01Apr

by KDK

2017/04/01 by KDK

808 plate V/I

01Apr

by KDK

2017/04/01 by KDK

6LF8