Analyzing the sound of the Yamaha NS-10M, which sold 300,000 units
11:38
Revealing all of the BOSE 101MM that swept the 80's
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■おおっ！気になるスピーカーが目の前に～ Whoa! The speaker I am interested in is right in front of me. YAMAHA NS-10M PRO
21:27
The sound of the vacuum tube is just the difference between ○○ and ○○
13:12
レコードの音を分析してCDをレコードの音に変換した結果を聴く
13:40
The Diaphragm Cracks—Taking a Bold Gamble!! ~ Repairing the DIATONE Speaker DS-V5000 Vol.4
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Top 10 Synthesizers Of All Time
47:49
Restoration Yamaha NS-1000M. Реставрация Yamaha NS-1000M. A second life for the Yamaha NS-1000M.
11:37