Vacuum Tube Modeling

The elementary nonlinearities discussed above are aimed at approximating the sound of amplifier distortion, such as often used by guitar players. Generally speaking, the distortion characteristics of vacuum-tube amplifiers are considered superior to those of solid-state amplifiers. A real-time numerically solved nonlinear differential algebraic model for class A single-ended guitar power amplification is presented in [84]. Real-time simulation of a tube guitar-amp (triode preamp, inverter, and push-pull amplifier) based on a precomputed approximate solution of the nonlinear differential equations is presented in [293]. Other references in this area include [338,228,339].

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