Skip to main content
Schediphon, B-flat
Schediphon, B-flat
Schediphon, B-flat

Schediphon, B-flat

Date1901 ca.
Place MadeOdessa, Ukraine, Europe
Serial No.Trombone bell: 92 Euphonium bell: 261
SignedEngraved on garland of smaller bell: Schedifon B. schnitte Trombon No 92 Euphanion No 261. / patent. Erfündung J. Schediva: Odessa. Engraved on larger bell: WedugboHr - HapumoHr.MarkingsNoneDescriptionBrass, German silver, two independent mirror-imaged double-loop sets of tubing, one with a narrow trombone-like bore and bell, the other with a wide euphonium-like bore and bell, both bells pointing upward and forward, separate tuning slides after valve section (cylindrical and conical, respectively), fixed shared leadpipe, four rotary valves (1, ½, 1½, and switch from one instrument to the other), three-point-wing device, one stop pin, clock-spring return.

Schediva developed a number of duplex instruments in the 1880s. In 1901, this experimentation culminated in the creation of a whole family of instruments with both cylindrical and conical bore tubing, which he named "Schediphones," after himself. These included a 4½-foot B-flat cornet/trumpet, a 6-foot F or 6½-foot E-flat alto horn/alto trombone, and an 8-foot C or 9-foot B-flat tenor horn/tenor trombone. This instrument is an example of the latter.
DimensionsHeight: ca. 857 mm
Bore diameter shared leadpipe (initial, minimum): 12.2 mm, 9.8 mm
Bore diameter valve slides: 14.1 mm

Narrow-bore instrument:
Tub length: ca. 2742 mm
Bore diameter tuning slide: 14 mm
Bell diameter: 234 mm

Wide-bore instrument:
Tube length: ca. 2677
Bore diameter tuning slide: 17–20 mm
Bell diameter: 245 mm
ProvenancePurchased in 1998 from Ernst Buser, Basel, Switzerland.
Published ReferencesMargaret Downie Banks, "Brass Instruments from the Utley Collection Fill the Museum's Horn of Plenty this Season - Double Your Pleasure, Double Your Fun with a Double-bell Schediphon". America's Shrine to Music Museum Newsletter, Vol. 26, No. 4 (November 1999) pp 5-7.

Sabine Katharina Klaus, Trumpets and Other High Brass: A History Inspired by the Joe R. and Joella F. Utley Collection. Volume 3: Valves Evolve (Vermillion, SD: National Music Museum, 2017), pp. 196-199, 306.



Credit LineJoe R. and Joella F. Utley Collection, 1999
Object number07340
On View
Not on view
Tenor valve trombone, B-flat
Boston Musical Instrument Manufactory
1875 ca.
Flugelhorn, oval, B-flat
Ernst David
1910 ca.
Natural trumpet, B-flat
Joseph Jarkovsky
1890 ca.
Straight valve trumpet, B-flat
Robert Schopper
1897 ca.
Alto recorder, F
Abraham van Aardenberg
1698-1717 ca.
We use cookies to ensure we give you the best experience on our website. By continuing to use this site or by closing or clicking "I agree", you agree to the use of cookies. I agree