KELLY TB65CO 6.5 AL Crystal Orange Trombone Mouthpiece Claves When these complex relationships pass

When these complex relationships pass through a speaker

Both Input and Output are balanced as well as fully floating

reinforced side plates with 3/8" diameter tuning lugs and backing plates

working across a smaller range

Capable of producing some of the heaviest tones a passive pickup can conjure

KELLY TB65CO 6.5 AL Crystal Orange Trombone Mouthpiece Claves When these complex relationships passKELLY TB65CO 6. 5 AL Crystal Orange Trombone Mouthpiece KELLY mouthpieces have become a top seller here at Alto Music. They are designed to be played in the most excrutiating circumstances. Whether it is the extreme temperatures of summer or winter, rest assured you will play in tune!!! The Kelly Small Shank Trombone and Baritone Mouthpieces are made entirely of Lexan material. The 6 1 2AL and 12C cup sizes are patterned after the Bach series.