Horns for Pennsy Alco C-628

[ajy6b]

Just a quick question. I purchased a Stewart C-628 and wish to put a sound decoder in it. I want to be realistic about the horn. Does anyone know what type of horn was used on the Pennsy C628s?

Please email me at ajy6b@hotmail.com

Thanks

[eddelozier]

Book on PRR Diesels shows a three horn arrangment with each horn facing forward and each horn a different length.
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No model name given? The horn looks the same on all the Alco C424 - C630 models.

Here is a web site covering Diesel horns. Different types, pictures and examples of sounds.
AIRHORNS (http://atsf.railfan.net/airhorns/index.html)

...Eddie