YouTube channel > Otomon Lab YouTube Channel
More detail pictures:
Good Items pick up
King and Queen * 300B drive 845 PP amplifier with X-5P, NC-20F, output class A 50W, class AB 100W
The Tesseract" 50 SE tube amplifier VT-62 drive 50 tube
Final Art Model 808 MkII stereo tube amplifier Shishido IITC special order transformer
10Y/VT-25/VT-62/801 stereo tube amplifier on wooden board