dink, I really don't know what revision of the pbc I had, but I do remember that when I threw coins it said that phrase, maybe it is as you say and that some pbc had them, I don't know. I sold the plate many years ago.
I will look for a video on youtuve to see if there is luck.
Regards
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Well, it seems that apparently it is not, here I found a video that, according to the title, is the original mk2 pbc and does not emit any sound when inserting coins:
https://www.youtube.com/watch?v=P0oZ218nloIBut I'm sure I heard it in my pbc.... or am I confused with the "Outstanding" of mk3, pbc that I also had in those years?
It is better to leave it as it is now.
Regards.