The Fender Bassman 5F6-A Family of Preamplifier Circuits—A Wave Digital Filter Case Study

W. Ross Dunkel, Maximilian Rest, Kurt James Werner, Michael Jørgen Olsen, Julius O. Smith

Research output: Chapter in Book/Report/Conference proceedingConference contribution

17 Citations (Scopus)
1560 Downloads (Pure)

Abstract

The Fender Bassman model 5F6-A was released in 1958 and has become one of the most revered guitar amplifiers of all time. It is the progenitor of a long line of related Fender designs in addition to inspiring Marshall’s first amplifier design. This paper presents a Wave Digital Filter study of the preamplifier circuit of 5F6-Abased amplifiers, utilizing recent theoretical advances to enable the simultaneous simulation of its four nonlinear vacuum tube triodes. The Dempwolf triode model is applied along with an iterative Newton solver to calculate the scattering at the 25 port R-type adapter at the root of the WDF tree. Simulation results are compared to “ground truth” SPICE data showing excellent agreement.
Original languageEnglish
Title of host publicationProceedings of the 19th International Conference on Digital Audio Effects
EditorsPavel Rajmic, František Rund, Jiří Schimmel
Place of PublicationBrno, Czech Republic
PublisherDAFx
Pages263–270
Number of pages8
ISBN (Electronic)2413-6689
ISBN (Print)2413-6700
Publication statusPublished - 05 Sep 2016
Externally publishedYes
Event19th International Conference on Digital Audio Effects - Brno, Czech Republic
Duration: 05 Sep 201609 Sep 2016

Conference

Conference19th International Conference on Digital Audio Effects
Abbreviated titleDAFx-16
Country/TerritoryCzech Republic
CityBrno
Period05/09/201609/09/2016

Bibliographical note

awarded best paper number three

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  • DAFx Best Paper Number Three

    Dunkel, W. Ross (Recipient), Rest, Maximilian (Recipient), Werner, Kurt (Recipient), Olsen, Michael Jørgen (Recipient) & Smith, Julius (Recipient), 05 Sep 2016

    Prize: Prize (including medals and awards)

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