Bore check Miraphone Contrabass Trombone.
Posted: Mon Feb 09, 2015 4:24 pm
Good day,
Does anyone here know the bore size of the Miraphone contrabass trombone valve tubing? I need to know what bore size those rotor valves are.
Thanks in advance
Does anyone here know the bore size of the Miraphone contrabass trombone valve tubing? I need to know what bore size those rotor valves are.
Thanks in advance