Posted by Michelangelo on June 13, 2002 at 15:38:56:
In Reply to: "miniball" posted by InkyDaveB on June 13, 2002 at 14:01:49:
I have a CCB 686 Cerveny tuba with miniball: they contribute the much silent and fast connection with the rotary valves; provides ultimate smooth and quiet operation as well as extended durability. I'm happy of this mechanism.
Hello.
Mich.