The largest speaker OMA manufactures is called the Imperia, a four-way conical horn system measuring over 7 tall.
2.
Due to the use of conical horns, their speakers are much larger than those using curved horns or typical enclosed loudspeakers.
3.
Bell Laboratory engineers designed a large horizontal conical horn antenna with a parabolic reflector at its mouth that re-directed the beam.
4.
One technique to deal with this involved using a Stroh violin which was fitted a conical horn connected to a diaphragm vibrated by the violin bridge.
5.
The bore is generally cylindrical as opposed to the more conical horn; thus, the " feel " of the mellophone can be foreign to a horn player.
6.
Often now with the use of converters, traditional conical horn mouthpieces are used to achieve the more mellow sound of a horn to make the marching band sound more like a concert band.
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