New design of the bell and material (from gold brass to yellow brass) and thinner bell.
For quicker response.
New design of slide braces(same as Xeno Tenor-Bass),
For more flexibility and expressiveness
New Slide crook material (from Brass to Nickel Silver)
For open the feel and response.
Newly designed rotor (turning direction)
For Smoother air flow for the second rotor
Newly designed D slide assembly
For open the feel and response.
Newly designed adjustable thumb paddle (same as Xeno Tenor-Bass)
For comfortable adjustment.
Newly designed case, ABS Xeno type with shoulder strap & side handle
For compact contoured shape

Key: Bb/F/Eb/G
Bore: .563"
Bell: 9 1/2" Yellow Brass
Shank: Large
Inner Slide: Chrome-Plated, Nickle Silver; Drawn
Outer Slide: Yellow Brass; Drawn
Mouthpiece: 59L
Rotors:  Double Independent hand lapped rotors (in-line)