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Published on May 9, 2011
The Rockhill Trolley Museum's #M-25 GE 25-tonner is seen at the Blacklog Narrows station with its Nathan-AirChime K5LLA train horn, the same as used on Norfolk Southern's SD70M-2 for example. M-25 maxes out at 90 psi, so the horn is only being blown on 80 to 90 psi. Still, I think it sounds good. This K5LLA has bells 1L, 1, 2, 3A, and 4A.