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Vincent Zhang | Dec 22, 2018
Bluetooth 5.0 デコーダー + モノラル FU50 シングルエンド チューブ アンプ + HIFI 3 インチ フルレンジ スピーカー
Vincent Zhang | Mar 16, 2026
Single-Ended Output Transformers Core Size, DC Bias, and the Art of the Air Gap
Vincent Zhang | Jan 19, 2026
My LS3/5A Journey
Vincent Zhang | Feb 26, 2026
OPT vs. OTL: The Two Defining Philosophies in Hi-Fi Tube Amplifiers
Vincent Zhang | Jan 07, 2026
DIY Tube Amplifier Testing and Adjustment --A Practical Engineering Guide
Vincent Zhang | Mar 28, 2026
Soft Start and Delayed B+ Power-Up Circuits for Vacuum Tube Amplifiers — Professional Revised Edition
Vincent Zhang | Sep 22, 2025
The 6P1 Vacuum Tube: A Vintage Gem for Small Power Amplifiers
Vincent Zhang | Oct 13, 2026
How to Choose Audio Power Amplifier Chassis
Vincent Zhang | Jun 26, 2026
The Complete Guide to Vacuum Tube Replacement: Types, Substitutes, and When to Replace
Vincent Zhang | Mar 18, 2026
Output Transformers in Vacuum Tube Push-Pull Amplifiers--Core Size, Power, and the Science Behind the Iron
Vincent Zhang | Jul 29, 2026
How to Choose the Right Vacuum Tube Amplifier Output Transformer (OPT)
Vincent Zhang | Mar 19, 2026
How to Choose the Right Output Transformer Impedance
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