それと
TITANOVATION 30E H high projection tuba, sousaphone, classic line
Designed by Prof. W. Hilgers; similar to 41E H with smaller inner rim diameter
Inner rim diameter: 33.0 mm (1.299 inch)
Rim shape: medium wide (Nr.603) medium rounded crone, W. Hilgers costum
Cup depth: deep (E) Bore Ø: 9.0 mm (0.354 inch)
Backbore: standard, medium volume (1b) comparison: W. Hilgers custom
と、
TITANOVATION 30D Jon Sass high projection tuba, sousaphone, power line
Designed by Jon Sass. Similar to Helleberg SEAR with larger cup and backbore volume.
Inner rim diameter: 33.0 mm (1.299 inch)
Rim shape: medium wide (Nr.605) medium bite, Jon Sass costum
Cup depth: medium deep (D) Bore Ø: 8.2 mm (0.323 inch)
Backbore: small volume, conical shape (1a) comparison: Jon Sass custom
を見つけたので、夏のボーナスでオーダーしてみようと思います。
（コレはちょっと値段が張りそうなので）
