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The axial flow valve, or Thayer valve, is a brass instrument valve design patented in 1978 by American inventor Orla Ed Thayer. [1] Designed with assistance from instrument maker Zigmant Kanstul, it was originally intended to replace the traditional rotary valve on the French horn , but instead revolutionized the design of trombone valve ...
Hagmann valve, in default (A) and engaged (B) positions, top (above) and side view (below). 1. air flow, from mouthpiece; 2. air flow, to bell; 3. air flow to and from valve tubing; 4. valve casing; 5. valve cap; 6. straight-path valve port; 7. valve ports, to tubing emerging at the top of the valve casing; 8. spindle axis of rotation.
Axial flow valve in default (A) and engaged (B) positions. 1. airflow, from mouthpiece; 2. airflow, to bell; 3. valve tubing; 4. valve casing; 5. conical rotor; 6. input (a) and return (b) valve ports; 7. spindle axis of rotation. Axial flow valves are an alternative for the traditional rotary valve found on trombones with valve attachments.
The valve trombone emerged concurrently with the invention of valves in the early 19th century. Most early instruments retained the shape and form of the slide trombone, employing three valves with the tubing arranged in place of the slide; others used the new valve mechanism as an opportunity to explore different configurations while retaining the overall cylindrical bore and bell profile.
The most common type of valve seen for valve attachments is the rotary valve, appearing on most band instruments, as well as most student and intermediate model trombones. Many improvements of the rotary valve, as well as entirely new and radically different valve designs, have been invented since the mid 20th century to give the trombone a ...
The Superbone can be played as a slide trombone, a valve trombone, or in combination. Using the slide and valves in combination requires the slide positions to be adjusted, just as when using the trigger of an F attachment on a tenor or bass trombone. Using the slide with the first and third valves engaged has the same effect as using an F ...
The bell of an F. E. Olds trombone, c. 1927, with the trademark "Golden Bear" and date of the 1912 patent. F. E. Olds was a manufacturer of musical instruments founded by Frank Ellsworth (F. E.) Olds in Fullerton, California, in the early 1900s. The company made brass instruments, especially trombones, cornets, and trumpets.
The modern bass trombone is the same length as a tenor trombone, but typically has two valves, pitched in F and G♭. When combined, these valves put the instrument into D. The modern contrabass trombone is usually constructed in F and fitted with two valves in either D and B♭ combining to give A♭, or in C and D♭ combining to give A. The ...
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