Hiroaki Kono
| Model | Bell | Slide | Gooseneck / Valve | Tuning Slide | Leadpipe |
| R1 |
Gold brass
|
Nickel silver
|
Yellow brass
|
Yellow brass
|
1 Nickel Silver |
| R9 |
Nickel silver
|
Bronze
|
Hagmann
|
Red brass
|
9 Brass |
Hiroaki Kono