ISSUE: both Filter dont work as designed, a addionaly
Website:
http://www.cgs.synth.net/modules/cgs49_twf.html
TS: info:
"did the RTFM-thingy on Ken's website and connected the frequency pot to +VE / -VE and added a 150K restistor in series ... as mention on the website " found on electromusic.com
a copy of ken stones page:
image from a muffwigler - part for sale on muffs 11.12.2013