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Vincent Zhang | Sep 11, 2026
Vacuum Tube Matching: What Matters and How to Choose a Matched Set
Vincent Zhang | Aug 06, 2025
Can the 6P15E Replace the 6P14 (EL84)? A Detailed Comparison
Vincent Zhang | Jan 06, 2026
Understanding Output Waveform Distortion in Tube Amplifiers
Vincent Zhang | Jul 27, 2026
Parallel-Feed (Parafeed) Output Transformers: A Practical Guide
Vincent Zhang | Aug 21, 2025
Building a Vintage Sound Power Amp with the 3AD56 Germanium Transistor
Vincent Zhang | Jan 04, 2026
The Enduring Legacy of the 1969 JLH Class A Amplifier
Vincent Zhang | Jun 24, 2018
What is B, P, G for tube amplifier output transformer?
Vincent Zhang | May 12, 2026
Fender Tube Guitar Amplifiers: The Complete Guide to Circuit, and Key Parts Replacement
Vincent Zhang | Sep 10, 2025
Building a 6SL7-Driven EL34 Single-Ended Amplifier: A Deep Dive into Classic Tube Tone
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 | Sep 21, 2025
The Titans of Tone: A Comparative Guide to 211, 845, 813, and 811 Vacuum Tubes
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