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Quoted from KenLayton:45 rpm vinyl jukeboxes rely on 60 Hz frequency other the record would suddenly play slower or faster.
What is the tolerance specification for turntable RPM? I doubt the frequency would be outside of that tolerance or be noticeable to the ear but it would be interesting to find out.
Quoted from Coyote:I'm wondering how tight Stern's firmware is for exporting games. Ref their Service Bulletin 170. If the frequency of the zero-cross does not equal 60 on domestic games, it will display an error stating that the game can't be used 'in this country'.
I doubt the frequency will be off enough to throw the error, but I would be curious if this ever happened.
Noticed this error on an Iron Maiden pro today. Reboot seemed to fix it. Operator says it's not the first time that error has come up. Other Spike2 games (on different circuits) not throwing the error.
buffaloatx is the operator.
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