Real-time simulation of a guitar power amplifier

Abstract : This paper deals with the real time simulation of a class A single ended guitar power amplifier. Power tubes and triode models are compared, based on Norman Koren's work. Beam tetrodes and pentodes characteristics are discussed, and displayed as Norman Koren's model parameters. A simple output transformer model is considered, with its parameters calculated from datasheets specifications. Then, the circuit is modeled by a nonlinear differential algebraic system, with extended state-space representations. Standard numerical schemes yield efficient and stable simulations of the stage, and are implemented as VST plug-ins.
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Communication dans un congrès
13th Int. Conference on Digital Audio Effects (DAFx-10), Sep 2010, Graz, Austria
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https://hal.archives-ouvertes.fr/hal-00631752
Contributeur : Ivan Cohen <>
Soumis le : jeudi 13 octobre 2011 - 10:27:05
Dernière modification le : jeudi 20 juillet 2017 - 09:27:34
Document(s) archivé(s) le : samedi 14 janvier 2012 - 02:26:57

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DAFx10Cohen.pdf
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  • HAL Id : hal-00631752, version 1

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Ivan Cohen, Thomas Hélie. Real-time simulation of a guitar power amplifier. 13th Int. Conference on Digital Audio Effects (DAFx-10), Sep 2010, Graz, Austria. <hal-00631752>

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