This one time Sputnic module has been updated by several contributors.
Information about the module can be found from the Synthcube information page and on Muffwigglers:
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Many of the enhancements developed by Dave Brown for use with 15V are adopted with the kit. Thanks Dave for the great documentation! http://www.modularsynthesis.com/roman/buchla266/266sou.htm ;
Romanf’s 266 module development is described further in these muffwiggler threads:
http://www.muffwiggler.com/forum/viewtopic.php?t=56856&highlight=roman+266
http://www.muffwiggler.com/forum/viewtopic.php?t=75697&highlight=roman+266
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