Conn
The Historic Conn Instrument Company Charles Gerard Conn was the patriarch of musical instrument manufacturing in Elkhart, Indiana. The business was renamed C.G.
In 1873, following a brawl in a bar which resulted in a split lip, C.G. Conn developed a brass mouthpiece with a rubber rim. Conn converted an old sewing machine to a lathe and set-up a shop building these mouthpieces. In 1875, a French instrument maker named Dupont began repairing instruments in Conn’s shop. After watching him work for a few days, Conn believed he could build his own instrument. In that same year, Colonel Conn would build the first American made cornet. By 1879, Conn moved operations into larger quarters and began making other instruments. In 1880, the town of Elkhart, Indiana became so enamored with C.G. Conn they elected him as their Mayor. During his second term, he was forced to resign due to a factory fire in 1883. The factory was rebuilt bigger and better and production continued. By 1893 his instruments were awarded the highest honors in the World’s Columbia Exposition in Chicago. The Colonel loved strange and bizarre instruments. In 1907, he built an immensaphone, the largest horn in the world at 12 feet in diameter and 35 feet long. Conn also continued on a series of “firsts”, building the first American made saxophone and the first sousaphone, built to John Philip Sousa’s specifications. In 1915, Conn retired and the company was purchased by Carl Greenleaf. Conn Ltd. During this era, Carl Greenleaf began the National School Band Movement. In 1923, Greenleaf established the first National Band Contest in Chicago, and the Conn National School of Music, also in Chicago. In 1928, he supported the National Music Camp located in Interlochen, Michigan. The company flourished until World War II. In 1942, the factory retooled to manufacture compasses, altimeters, and other items related to the war effort. During this time, many of Conn’s dealers turned to smaller instrument makers who were allowed to manufacture instruments on a limited basis. Coming out of wartime production, Conn found difficulty regaining its position as the number one band instrument maker. In 1969, the Greenleaf family sold the business to Crowell-Collier MacMillan, a publishing company. Manufacturing of Conn instruments was split between Nogales, Arizona and Abilene, Texas; the Elkhart factory was sold to the Selmer Company. In the 80’s through a series of mergers, C.G. Conn Ltd was combined with Slingerland Drum Company, Artley, Scherl & Roth, and several other musical instrument manufacturers and distributors to eventually form United Musical Instruments (UMI). In 2002, UMI merged with the Selmer Company to form Conn-Selmer, Inc. and later in 2004 merged with G. Leblanc Corporation.
10/03/2026
🟥⬛ Nothing finer than celebrating Homecoming weekend with the University of Georgia Redcoat Band sousaphones.
📸:
09/29/2026
𝗚𝗲𝘁 𝘁𝗵𝗲 𝗿𝗮𝗻𝗴𝗲 𝗼𝗳 𝗮 𝗳𝗼𝘂𝗿𝘁𝗵 𝘃𝗮𝗹𝘃𝗲 𝗼𝗻 𝗮 𝗲𝘂𝗽𝗵𝗼𝗻𝗶𝘂𝗺 𝘁𝗵𝗮𝘁'𝘀 𝘀𝘁𝗶𝗹𝗹 𝗲𝗮𝘀𝘆 𝘁𝗼 𝗽𝗹𝗮𝘆.
The CEU412 euphonium gives advancing players a full, warm sound without the air a large-bore horn takes. The side-action fourth valve extends the low range and improves intonation in the same 3+1 layout as professional compensating horns, preparing musicians for the next step of their artistic journey.
Explore the CEU412: https://connselmer.com/instruments/alto-horns-baritones-and-euphoniums/conn-euphonium-in-bb-ceu412
09/26/2026
Four bands. Two Classics. All Conn Sousas.
This Jackson State University's Sonic Boom of the South 🟦⬜️ vs. Southern University's Human Jukebox 🟦🟨 at the BoomBox Classic in Jackson.
In Texas, Grambling State University's World Famed Tiger Marching Band ⬛🟨 vs. Prairie View A&M University's Marching Storm 🟪🟨 at the State Fair Classic in Dallas.
Which finish would you choose? The Conn CAS411 alto saxophone is available in Clear Lacquer, Silver Plated, Dark Lacquer, Black Nickel, and Antique Matte.
https://connselmer.com/instruments/saxophones/conn-alto-saxophone-in-eb-cas411l
09/19/2026
Who's ready for the Southern University sousaphones to hold it down at Mumford Stadium this against Louisiana Christian? 🏈
It's the end of the line for this Conn 36H alto trombone.
Watch as master technician Chris Arent walks us through a final inspection before this horn heads off to its new home.
Learn more about the Conn 36H Alto Trombone: https://connselmer.com/instruments/trombones/conn-symphony-alto-trombone-in-eb-36h
09/09/2026
We're excited to welcome Logan Bryck to the ! 📯
A performer on the Conn 8D Horn, Logan joined the San Francisco Opera Orchestra as Utility Horn in 2025 after serving as a regular substitute since 2022.
Explore his education and accomplishments by clicking the link below.
https://connselmer.com/artists/logan-bryck
09/08/2026
How often does one get to play a Conn 20K Sousaphone at Villa Sousa in Lisbon, Portugal?!
As Philipp Westermann describes it: "𝙁𝙞𝙣𝙖𝙡𝙡𝙮 𝙖 𝙥𝙡𝙖𝙘𝙚 𝙩𝙝𝙖𝙩 𝙜𝙚𝙩𝙨 𝙢𝙚…"
📸 David /
09/07/2026
The Conn 110H on the field with Phantom Regiment at DCI Finals.
Meet the Conn 110H Bass Trombone: https://connselmer.com/instruments/trombones/conn-bass-trombone-in-bb-110h
09/04/2026
An unlikely origin story: in 1875, a bar fight left Charles Gerard Conn unable to play his cornet. Rather than stop playing, he built himself a rubber-rimmed mouthpiece on a lathe converted from a sewing machine. That mouthpiece became a company.
See what Conn builds today: https://connselmer.com/instruments?brand[0]=conn
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