Model GH Cup For Historic Horns Too small and the F

Too small and the F tuba couldn't growl out those nasty Die Frau ohne Schatten passages like it needs to

A “free”* bore member to the G family

Then it was all down to balancing the bore size itself

conical bore funnel

The most common response to trying one is to remark on it's comfort and ease of response

Model GH Cup For Historic Horns Too small and the FA free* bore member to the G family. Designed with a tapered bore entrance** the GH gives you the feeling of a sensitive, high resistance cup at pp but lets you lean into it all the way up to a brilliant, efficient fff without breaking up, losing core, or losing control. Excellent on original Geyers and modern horns that follow the slow growing lead pipe tapers of those designs (Schmidt, Hill, Hatch, to name a few). If your horn is more "open" or