Posted by Klaus on May 07, 2002 at 19:58:28:
In Reply to: miraphone bore size posted by john swadley on May 07, 2002 at 19:30:45:
The Miraphone site linked to below has this text on a model numbered 150080A07000:
F-Tuba, bell 38 cm, 4 valves brass, nickel silver trimmings, spiral, CPU
lacquered
Key: F
Style: 3/4
Bell diameter: 380 mm
Bore of valve section: 18,0 mm
Number of valves: 4
Typ of valve section: 07000 nickel silver trimmings
Type of body : 07000 brass body
Material of mouthpipe:nickel silver
Finish: lacquered
Mouthpiece: TU05
18.0 mm equals 0.709"
Klaus