Guitar Amplifier Electronics: Basic Theory book

Basic Theory - using 21st-Century technology to design vacuum tube preamps, power amps, and power supplies

Fundamentals of Guitar Amplifier System Design book

System Design - a professional methodology for crafting a complete guitar amplifier

Guitar Amplifier Electronics: Circuit Simulation book

Circuit Simulation - modeling vacuum tube guitar amplifiers using SPICE

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What do these calculators do?

These calculators automate the plotting of DC and AC load lines for guitar amplifier preamp stages based on popular triodes. They also compute the cathode resistor value for a user-specified DC operating point.