SAKUMA-LEGEND in H.D.
29:00
匠の息吹を伝える～"絶対"なき技術の伝承～ （６９）原音の探求 ～真空管アンプ製造～
8:37
Amp valvulado/Sakuma System/belo som
3:22
In memorial Susumu Sakuma san
14:59
How To Make Electron Tubes - P&C Electronics
8:27
Memories of Sakuma - San / Restaurant Concorde / 思い出のコンコルド 佐久間 駿さん
12:56
Gray Research 108S: un altro passo verso Susumu Sakuma. (Braccio per giradischi)
11:45
Beer City Audio Tube Amplifier Video Tour (c) 1997
5:02