• Specially selected grenadilla wood, stabilized for three years in a controlled environment, at constant temperature and hygrometry.
• 100% natural wax
• Engraving of a feather, a symbol of lightness and creative freedom
• New ring design
• New conical bores for both 64 and 65mm barrels
• New conical bores of the body
• G# C# tuning and tone optimized by a raised tone hole
• New geometry of the holes
• New bell bores
• New placement and correction tone hole of low F and E notes on the lower joint
• Both B♭Bb and A models have low E and F exceptional correction mechanisms.

Key: Bb & A
• Universal pitch: 440-442 Hz
• Standard Nr 1 Boehm system standard
(18 keys and 19 keys, 6 rings)
• Wood: granadilla
• 100% natural wax
• New bore (cylindrical part: 14.6 mm)
• Silver- and matte black chrome-plated (7mm)
• Barrels: 64 and 65 mm
• Gore-Tex, leather and cork pads
• Silver-plated ergonomic keywork
with 可調式拇指扣環
• Embedded EVOLUTION« system
(10-year warranty on upper joint)
• Exclusive Muse engraving
• Echo mouthpiece
• PRiSMe case

上節採用 EVOLUTION 製程, 保固 10年 不漲管,不裂管