Just got off the phone with Eurotubes ([="http://www.eurotubes.com"]Eurotubes - Vacuum Tubes by JJ Electronic - ECC83, 12AX7, 6L6. 6L6GC, EL84, EL34, KT77, KT66, KT88[/]). Seems like us Neumann, Schoeps, AKG, etc. mic owners with units using the AC701 tube should express interest (and need) for...