The good news with the crack is that theree is a fairly generous amount of room to work with and I've not yet found a pot that won't fit, but some of the metric pots do need a bit of work with a rat tail file or reamer, or whatever to open the hole up a bit.
-- Jim
Jim Rebman -- recovering audiophile
Equitech balanced power; uRendu, USB processor -> Musette DAC -> 5670 tube buffer -> Finale Audio F138 FFX -> Cain and Cain Abbys near-field).
s.e.x. 2.1 under construction. Want list: Stereomour II
All ICs homemade (speaker and power next)