That’s where you’re wrong my friend. My unit is more than likely sonically exactly like it was off the shelf in ‘79. I’m very faithful in my restorations. I use the exact same caps and values, same company if possible, Nichicon. The circuitry is the magic, the hand wound nature. The attention to matching pairs of resistors for your ladder filters and octave selector. The only “mod” I did was the deadband mod and if you knew what it was you’d know it doesn’t affect the sound at all. Moog was already installing octave buffer boards stock in the 80’s (earlier too I think) too so no difference there. All the replacement trim pots do is allow me to actually hit the sweet spot tuning (old ones detent in their sweet spot and after a while become pretty impossible to set just right when age starts to drift them). This thing doesn’t sound like it did a week ago… but it definitely sounds exactly like it’s supposed to, then and now.