Posted by Art H on October 30, 2003 at 00:44:51:
In Reply to: Miraphone 4-valve CC Helicon posted by TubaDude on October 29, 2003 at 07:45:03:
I spoke with the guy who was playing it a few years ago when they performed in Connecticut. He told me that it was custom-built using Eb helicon parts. It has a rather small bore.