Mouthpiece cups, giardinelli threaded and compatible with our & any other Giardinelli...
Cut with our "Mainz" (European) shank - these are optimized for Alexander...
Made for Geyer (Knopf) style horns (Not made by Alexander Mainz -...
These are cut with a smaller "French" shank typical of natural horns. ...
These cups are optimized for Kruspe-style horns (Conn 8D & Frenemies). They're...
Giardinelli threaded rims compatible with ours and all other Giardinelli threaded mouthpieces....