Audio synthesis via vacuum tubes/Metasonix TS-21 hellfire modulator: Difference between revisions

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== References ==
{{reflist}}
* [https://web.archive.org/web/20070815121652/http://www.metasonix.com:80/TS21man.doc TS-21 Hellfire Modulator owner's manual] (in Word format) by Eric Barbour, Metasonix, 1999
 
== External links ==