Conn 44H SN 388521, made in 1949 during the post-WWII Elkhart era, represents one of the finest examples of American small bore trombone craftsmanship. The Vocabell design is one of Conn’s most unique innovations — a rimless bell flare that improves tonal flexibility and projection. Conn used the Vocabell concept across both trombones and trumpets during the Big Band and Trad Jazz eras.
This horn features a Conn #2 bore (approx. .480”), a gold brass standard-weight slide, and nickel silver end crook. The bracing is classic upper-slope Elkhart, with an offset tuning slide and bell-to-stem bracing — all yellow brass construction with original lacquer.
The slide is straight and fast, with only minor plating loss on one inner tube. It’s been fully cleaned and serviced, and updated photos were added after in-house clean-up. Includes a mint Conn #3 mouthpiece, making it a fully playable and collectible set.
This is the kind of instrument used by working professionals in the late 1940s to bring music to life on dance floors and radio broadcasts. Jazz players today still appreciate its easy response, light weight, and classic tonal character.
What is a Conn Vocabell and why does it matter?
The Vocabell is a rimless bell design developed by Conn in the 1930s and 40s. Unlike traditional bells with a soldered rim, the Vocabell’s flare is formed without reinforcement, allowing for greater resonance and quicker response. These horns are lighter and more vibrant, making them perfect for traditional jazz, swing, and commercial playing. The Conn 44H is a highly regarded example of this design applied to a small bore trombone.
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