Url https://omeka-s.grinnell.edu/s/MusicalInstruments/item/943 Resource class wmi:MusicalInstrument Title alto sackbut Subject 423.22 Publisher Böhm & Meinl Contributor Roger Vetter Type European Format 32.5 in. length assembled 80 in. length of bore 0.41 in. bore diameter at mouthpiece end 3.2 in. diameter of bell Identifier 2890 Language EN Alternative Title sagbut saqueboute alto Posaune discant Posaune trombone Extent Symphonic Medium metal Requires 1 Is Part Of Grinnell College Music Instrument Collection Spatial Coverage Europe Provenance Grinnell College Music Department Air cavity design for aerophones tubular - cylindrical with flaring open distal end Source and direction of airstream player exhalation through mouth into air cavity; unidirectional Energy transducer that activates sound for aerophones lip reed (player’s lips) placed over cup mouthpiece at end of tube Means of modifying shape and dimensions of standing wave in air cavity for aerophones incremental lengthening with telescoping slide of air cavity in which the standing wave is active Overblowing utilization in aerophones overblowing at consecutive partials Pitch production in aerophones multiple - changing length of standing wave by adding tube length with valves or slide and by selecting partials through overblowing Category of Instrument aerophone --