David. Either they cause false beats...or they dont. You cant have it both ways. The rules of logic state: If the statement <<If A then B>> is true, then every time A occurs B follows. If B does not follow, then the statement <<If A then B>> simply doesnt hold and there must be another reason for B. Cheers RicB --------------------- While false beats can be caused by loose pins it doesn't necessarily follow that all loose pins will cause false beats. David Love davidlovepianos at comcast.net
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