Hi all, looking at future apogee purchase and crossovers, which come with Mundorf as stock from he restorer I am talking to. Is it ok to mix Duelunds and Jupiters or Mundorf in a crossover. Can mixing cause problems? Has anyone gone from Mundorf to Jupiter? Duelunds are expensive and looking to manage costs. I can progressively replace caps to Duelunds over the years, but can't do the whole shebang to start off with