XO 1240 Professional Series Bass Trombone with Thru-Flo Valve
Big bore, big sound.
The 1240 Professional Series Bass Trombone with Thru-Flo Valve features a large .571" bore combined with an independent dual Thayer valve system in Bb / F / Gb / D. The dual Thayer valve system creates an air passage that is completely balanced in both open and operated functions to ensure no loss of tone color or clarity.
Key: Bb / F / Gb / D
Leadpipe Material: Yellow Brass
Bell: 9.5" Two Piece
Bell Material: Yellow or Rose Brass
Handslide Material: Yellow Brass
Handslide Crook Material: Nickel Silver
F Attachment Wrap: Open
F Attachment Valve: Dual Thayer
Features: Three Interchangeable Leadpipes; Dual Thayer Valve Independent System