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Vincent Zhang | Jul 31, 2026
JBL Control 328C: From Commercial Ceiling Speaker to DIY Hi-Fi Monitor
Vincent Zhang | Jul 12, 2026
Cathode Resistance in Tube Amplifiers: Bias, Gain, Heat, and Practical Selection
Vincent Zhang | Sep 21, 2025
The Titans of Tone: A Comparative Guide to 211, 845, 813, and 811 Vacuum Tubes
Vincent Zhang | Oct 25, 2026
Power Transformers for 2A3 Tube Amplifiers: Voltage, Filaments, and Sizing
Vincent Zhang | Sep 19, 2026
2A3 and 300B Push-Pull Output Transformers: A Practical Selection Guide
Vincent Zhang | Apr 02, 2026
DIY 300B SET Stereo Amplifier: Circuit Design, Parts List and Step-by-Step Build Guide
Vincent Zhang | Aug 08, 2025
The Sound of Power: A Deep Dive into Triode vs. Ultralinear Tube Amp Outputs
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