You can buy a converter board from bumper action to get around the 60Hz cycle thing.
You can find them a lot cheaper out there as well.Never had a problem with any of mine.
[urlhttp://www.bumper.com.au/parts/pinball-parts/boards2012-05-18-05-13-122090320835/stern-pinball-50-60hz-conversion-board-detail][/url]
