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Electrical Engineering and Systems Science > Audio and Speech Processing

arXiv:2411.11358 (eess)
[Submitted on 18 Nov 2024]

Title:A Bandpass Twin-T Active Filter Used in the Buchla 200 Electric Music Box Synthesizer

Authors:Aaron D. Lanterman
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Abstract:This paper analyzes an unusual active bandpass filter employed in the Buchla Model 295 10 Channel Comb Filter, a synthesizer module developed as part of the Buchla 200 Electric Music Box by Donald Buchla. The filter consists of a peculiar rearrangement of elements in a classic Twin-T configuration; to our knowledge, it has not been previously addressed in the literature. As an example, we explore its specific application in the Model 295.
Comments: 5 pages, 8 figures, MATLAB/Octave code at this https URL under the name b295_plots.m
Subjects: Audio and Speech Processing (eess.AS); Sound (cs.SD)
Cite as: arXiv:2411.11358 [eess.AS]
  (or arXiv:2411.11358v1 [eess.AS] for this version)
  https://doi.org/10.48550/arXiv.2411.11358

Submission history

From: Aaron Lanterman [view email]
[v1] Mon, 18 Nov 2024 08:08:03 UTC (2,176 KB)
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