11:57

[Manual#1] KT88 Vacuum Tube Amp Kit DIY (Unboxing, Measuring resistances)

11:04

["Both sides now" by (1)Emilia Jones and (2)Joni Mitchell] Music Play with EL34 tube amp

07:55

["Thinking of you" by Boohwal] Music Play with EL34 tube amp

12:09

[Manual] Making LED Spinner DIY Kit

06:43

[DIY Manual] Wiring DIN 5 pin to RCA Cable

13:02

["Pick up", "I can't forget you", "Leaning on time" by Soprano Haewon Lee] With EL34 tube amp

17:04

[Manual#9_Installing Bluetooth 5.1 module] Push-pull 6N2 6P1 Tube Amp

04:32

[Seiko Matsuda, "Kaze Wa Akiiro"] Music Play with Pushpull 6N2 6P1 tube amp via BT 5.1 module

04:29

[JANNABI - "Summer"] Music Play with Push-pull 6N2 6P1 tube amp via Bluetooth 5.1 module

07:38

[Seiko Matsuda, "Aoi Sangoshou靑い珊瑚礁" and "NATSU NO TOBIRA 夏の扉"] Music Play with FU-19 tube amp

08:29

[Coldplay, "Viva la Vida"] Music Play with FU-19 vacuum tube amp

04:48

[Shin Hae-chul, "Jazz Cafe"] Music Play with FU-19 vacuum tube amp

06:54

["Morning Train(9 To 5)"-Bossa Nova&Sheena Easton] Music Play with FU-50 vacuum tube amp.

10:25

[3 songs from "Top Gun OST"] Music Play with Push-pull 6N2 6P1 Tube Amp.

03:48

[Keane-"Everybody's Changing"] Music Play with FU-50 vacuum tube amp. (with MIFLEX KPCU-01)

04:04

[Lee Moonsae, "Farewell My Love"(Piano by Kim, Kwang-Min)] Music Play with FU-19 vacuum tube amp

10:47

[JANNABI, "For lovers who hesitate"] Music Play with FU-19 vacuum tube amp

04:17

[Rumer-"Arthur's Theme(Best That You Can Do)"] Music Play with FU-19 vacuum tube amp

11:28

["My Spring-LEE SUHYUN","A Kind Of Confession-"Kwak JinEon & HEN"] Music Play with FU-19 tube amp

05:15

[Sohyang "Road"] Music Play with EL34 tube amp (after adding BT 5.1 module)

04:07

[Sohyang "I will go to you like the first snow"] Music Play with EL34 tube amp with BT 5.1 module

04:52

[Ben Folds "Still Fighting It"] Music Play with FU-19 vacuum tube amp

12:12

[Manual] Installing Bluetooth 5.1 module to DIY Vacuum tube amp.

04:53

[Alan Parsons Project "Eye in the Sky"] Music Play with FU-19 vacuum tube amp

05:00

[Jaurim-"Twenty five, twenty one"] Music Play with FU-50 tube amp. (with MIFLEX KPCU-01 Capacitors)

03:20

[Ella Fitzgerald "Misty"] Music Play with FU-50 vacuum tube amp. (with MIFLEX KPCU-01 Capacitors)

07:28

[“Misty” by Sohyang, New York Jazz Quartet] Music Play with FU-19 vacuum tube amp.

12:41

[Manual#8] Push-pull 6N2 6P1 Tube Amp(Bluetooth module addition failure video)

05:11

["Cherry Blossom Ending"-Busker Busker] Music Play with Flower clips by Push-pull 6N2 6P1 Tube Amp

05:11

["Cherry Blossom Ending" by Busker Busker] Music Play with Push-pull 6N2 6P1 Tube Amp

06:40

["To the Rain" & "Spring Rain" by Jang Beom-june] Music Play with Push-pull 6N2 6P1 Tube Amp

06:42

[(Music with rain sound) "To the Rain" & "Spring Rain" by Jang Beom-june] Push-pull 6N2 6P1 Tube Amp

11:15

[Manual#7] Push-pull 6N2 6P1 Tube Amp(Find and repair the defective part and complete KIT assembly)

11:07

[Manual#6] Push-pull 6N2 6P1 Vacuum Tube Amp(Test the amp. after wiring the signal input parts)

23:53

[Manual#5] Push-pull 6N2 6P1 Vacuum Tube Amp(Soldering capacitors, resistors and etc.)

10:45

[Manual#4] Push-pull 6N2 6P1 Vacuum Tube Amp(Wiring the output transformer and 6P1 pins 1~3)

21:10

[Manual#3] Push-pull 6N2 6P1 Vacuum Tube Amp(Attaching and wiring the transformers)

10:04

[Manual#2] Push-pull 6N2 6P1 Vacuum Tube Amp(Attaching the terminals and tube sockets to the case)

04:28

[Manual#1] High-power Push-pull 6N2 6P1 Vacuum Tube Amp. (Unboxing and measuring resistance)

10:12

[“Feel So Good” by Chuck Mangione] Music Play with FU-19 vacuum tube amp.

10:57

[Review#1] FU-19 Vacuum Tube Amp(Unboxing and Music Play Test)

04:34

["Tomboy” by Hyuk Oh] Music Play with FU-50 vacuum tube amp. (Eng. Sub.)

06:34

["About Romance" by Choi Baek Ho] Music Play with FU-50 vacuum tube amp. (Eng. Sub.)

09:00

["You are always"_J Rabbit(K-Drama OST) and MONO(Original song)] Music Play with FU-50 tube amp.

16:56

[Autumn from "Vivaldi - Four Seasons" by Eddie Daniels] Music Play with FU-50 vacuum tube amp.

09:23

["Nocturne - Kim Yun A” (w/Sub.)] Music Play before/after replacing coupling capacitor to Miflex

07:00

[“One Flight Down - Norah Jones”] Music Play before/after replacing coupling capacitor to MIFLEX

09:25

[And I Love Her(The Beatles)-Pat Metheny]Music Play before/after replacing coupling capacitor,Miflex

07:36

["A Winter Story"_Love Letter OST] Music Play before/after replacing coupling capacitor (FU-50 amp)

05:24

["Scent of a Woman OST-Por Una Cabeza"] Music Play before/after replacing coupling capacitor (FU-50)

09:07

["Stevie Wonder - Lately"] Music Play before/after replacing coupling capacitor (FU50 tube amp)

08:02

[Another One Bites the Dust -Queen] Music Play before/after replacing coupling capacitor(FU-50 amp)

09:54

[Manual #15] Replacing the Coupling Capacitors(Modification of FU50 tube amplifier)

03:08

[Manual#14] Lessons learned from rectifier circuit failures for bluetooth module in FU-50 tube amp.

03:53

[Music Play, "Meaning of you - IU & Kim Chang-wan"] FU-50 tube amp with Bluetooth 5.0 module

02:31

[Manual #13] Modification of FU-50 vacuum tube amplifier (Bluetooth 5.0 module Test)

15:51

[Manual #12] Modification of FU-50 vacuum tube amplifier (Intalling Bluetooth 5.0 module)

03:15

["Baby It's Cold Outside (Idina Menzel & Michael Bublé)" music play] DIY FU-50B amp

11:12

["Christmas carols_Kenny G" music play] DIY FU-50B amp

09:10

["Last Christmas(Wham)" & "All I want for Christmas is You(Mariah Carey)"] DIY FU-50B amp music play