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Vincent Zhang | Nov 08, 2025
How to Choose the Right Capacitors in Hi-Fi Audio Equipment to Optimize Sound Quality
Vincent Zhang | Jul 29, 2026
How to Choose the Right Vacuum Tube Amplifier Output Transformer (OPT)
Vincent Zhang | Jun 02, 2025
Vacuum Tube FU29 Push-Pull Tube Amplifier: A Deep Dive into Vacuum Tube Audio
Vincent Zhang | Oct 17, 2018
IWISTAO FU50 小型 300B 2x8W 真空管アンプ完成ボードキット シングルエンド クラス A DIY 無料チューニング
Vincent Zhang | Feb 26, 2026
OPT vs. OTL: The Two Defining Philosophies in Hi-Fi Tube Amplifiers
Vincent Zhang | Mar 18, 2026
Winding Your Own Filter Choke for Tube Amplifiers-A More Rigorous Engineering Guide
Vincent Zhang | Mar 08, 2025
Rediscovering Golden Age Sound: IWISTAO FU29 Tube Amplifier
Vincent Zhang | Sep 22, 2025
The 6P1 Vacuum Tube: A Vintage Gem for Small Power Amplifiers
Vincent Zhang | Nov 21, 2022
真空管のモデルと交換の概要
Vincent Zhang | Mar 16, 2026
Single-Ended Output Transformers Core Size, DC Bias, and the Art of the Air Gap
Vincent Zhang | Mar 28, 2026
Soft Start and Delayed B+ Power-Up Circuits for Vacuum Tube Amplifiers — Professional Revised Edition
Vincent Zhang | Jul 31, 2026
JBL Control 328C: From Commercial Ceiling Speaker to DIY Hi-Fi Monitor
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