Leslie S5A

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The Leslie S-5A was a air horn produced in 1951-1952 as a replacement for the S-5D. The bells used are bells 247, 277, 311, 370 and 440. It was soon replaced in 1952 by the S-5T.
The S5A is one of, if not the rarest American Air horns ever produced. As only one has been known to exist today. However, S-5T horns can be retuned and modified to sound like an S-5A and the earlier S-5D.
The musical term for the entirety of the notes playing is a B Dominant 9th.
So far, no pictures of a S-5A have surfaced on the internet. So the picture above was edited to resemble to what a S-5A would most likely look like. But despite no pictures surfacing, we do know that the S-5A was used on the Baltimore & Ohio and Chesapeake & Ohio Railroads, most likely on E-units and early Geeps.
Recently, a picture was found from an old Leslie horn Catalog from the early 1950's. One Page shows a five chime horn that may represent an S-5A. The picture is seen below.
Here is an audio clip of a replica S5A.
http://locomotivehorns.info/leslie/s5a_050910_02.wav
Category:Air Horns
Category:Locomotive Parts