The Kawai & Teisco Analog Synths Group

Yes, the filters seem to be very misunderstood. I just created a patch
on the 240 that just by tweeking the  vcfeg-attack starts out with a
mono fat bass rhythm and by raising the attack and going up the scale
, swells into screaming resonating lead. nothing harsh, just
unbelievable rock. The HPF is way more useful than given credit..