The internal is 15.5mmIf you wouldn't mind, could you measure the ID of your Alto G?
I have a chart of whistle bores from various makers but no Alba mezzo/alto G yet.
external diameter is 19.05mm
Iain
The internal is 15.5mmIf you wouldn't mind, could you measure the ID of your Alto G?
I have a chart of whistle bores from various makers but no Alba mezzo/alto G yet.