How to Measure Tube Amplifier Plate Current (Biasing) and Actually Understand What You Did @Blueglow
How to Measure Tube Amplifier Plate Current (Biasing) and Actually Understand What You Did @Blueglow
Uploaded May 2020 | Updated September 2026, 2 weeks ago
BG280 - How to measure the Plate (Anode) Current in most vacuum tube amplifiers and actually understanding what you just did. This theory should work for Audio Hi-Fi amplifiers as well as most RF amplifiers.
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How to Measure Tube Amplifier Plate Current (Biasing) and Actually Understand What You Did

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