Quoted from DNO:Hell, I'll even give you a thumbs up on that.
Just not worth complaining about, it will not change.
Now if the sound isn't the "iconic" screech, that is a problem.
I prefer the screech over some knockers I've heard, or not heard cuz they are so weak. (Data East, a lot of other cabinet knockers)
Mousin' around always seemed to have particularly loud knocker, along with most of that era.
The "Golden Knocker Years""?
when I had a BOP it sounded like a gun shot, it was awesome when people heard it for the first time and scared the crap outta them.