A Bandpass Twin-T Active Filter Used in the Buchla 200 Electric Music Box Synthesizer
Aaron D. Lanterman
TL;DR
This paper examines a unique active bandpass filter used in the Buchla 200 Electric Music Box synthesizer, highlighting its novel configuration and application in the Model 295 comb filter module.
Contribution
It introduces a previously unaddressed rearrangement of the Twin-T filter configuration in synthesizer design.
Findings
Identifies a novel filter configuration in synthesizer circuits
Analyzes the specific application in the Buchla Model 295
Highlights the uniqueness of the filter's design
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.
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Taxonomy
TopicsMusic and Audio Processing · Music Technology and Sound Studies · Speech and Audio Processing
MethodsElectric