I never even thought about it to be to safe money for you.just to make clear:
I didn´t dispose of TAD 2002 to save money
It was part of a strategy to simplify system and get more "pointsource" soundstage
but it took some 3 years from design start to finished CD horn to make the TAD 4003 perform as desired from 600-20K with even frequency response over 85x45 degrees and no more head in a vice sweetspot sound
After all, you already own the TAD 2002
But it IS a nice side-effect that you don't need an expensive TAD 2002 anymore in your new design