I have seen several older MTH locos which on the box say they are "optionally equipped with protosound, squeaking brakes and freight yard sounds. I bought one of these a few years ago and as much as I love the detail and smooth operation, all it had was a whistle. Is there any way to know what is inside from the box or the number?
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I think that quote refers to circuit boards from QSIndustries (QSI) that could be installed for more sounds.
On the end of the box there will be a description of the roadname, type of engine, model number and sounds system. The older Protosounds tended to be a applied decal.
I have seen several older MTH locos which on the box say they are "optionally equipped with protosound, squeaking brakes and freight yard sounds. I bought one of these a few years ago and as much as I love the detail and smooth operation, all it had was a whistle. Is there any way to know what is inside from the box or the number?
Usually, the model number is followed by a -0 meaning just a whistle/ horn and bell sound, or a -1 with the full compliment of protosounds. For example; the Railking PRR Torpedo #30-1118-0 just had the whistle sound, while the #30-1118-1 had the full protosounds system installed.
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