AR Resonance Backb. 72 S E Brass Euphonium
Mouthpiece Backbore for Euphonium

Technical Data
- Manufactured by AR Resonance
- Bore: 7.2 mm (72)
- Backbore: narrow
- Weight : L (light = standard)
- Material: Brass
- Silver-plated
- Made in Italy
Mouthpiece Backbore for Euphonium
