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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.
MPN: 1240L-TOrder today and revel in the sound.
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