Preamp Gain Stages - The Plate Resistor: Values, gain, tones and theory incl load lines!

Описание к видео Preamp Gain Stages - The Plate Resistor: Values, gain, tones and theory incl load lines!

A deep dive into the humble plate resistor in a 12AX7 gain stage. What is it's purpose and what impact is there on gain and tone with different values. This video examines a stock Marshall 100k value against a 330k in 3 ways, measurements, tone and theory.

https://headfirstamplification.com

0:00 Intro
1:16 DMM & Scope measurements
6:20 Tone test
7:54 Theory
22:22 Conclusion

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