今は亡きお父様の形見の管球アンプに見る 謎の回路を探訪する
Uncovering the mysteries of a poor-end tube amplifier using RCA 117N7 tubes Miyajin Motors channel: / @videos
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France’s Plan to Build a Mini NATO Explained
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Was wurde aus Schneider? Deutschlands vergessener Heimcomputer-Gigant
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A Miyajin Shoten viewer turned out to be a pro-level amp builder and my former classmate.
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A 1,000 yen DIY tube amplifier bias adjustment probe (measuring device)
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The secret to the superior sound quality of vacuum tube amplifiers lies in their output transform...
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1966 ⚙️ RESTORATION & Repair ✅ VINTAGE TAPE Recorder | HITACHI trq-310 📼 Sound from 60s!
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The Technology We Killed in the 1960s Is Now Worth $3.3 Billion
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How the World's Biggest Pipe Wrench Is Manufactured | Incredible Factory Process
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Robotron - Computers from the GDR
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Plastic Welding Secret 😱! Easy Way To Repair Broken Eyeglasses Into Like New | DIY Hacks
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Restoring a 50-year-old separate stereo and recapturing the lost sound of the Showa era Part 1
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300Bシングルエンドステレオアンプ
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A Journey to Shinshu Matsumoto HARD OFF in Search of Junk Audio
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Build a Poor End Marantz #7 with an 880 yen chassis
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■Explaining the tips for disassembling! Repairing the first cassette tape recorder from half a ce...
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Complete repair and restoration of a 5000W power amplifier for one fan
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He Sent Me His Late Father’s Watches as a Gift, I Decided to Restore One For Him
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Timelapse: Genius Girl's Restart A Retired Old Man's Daewoo Truck (500kg) Abandoned For 30 Years
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Marantz CD85 - Not the fault I expected...it was WORSE!
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