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Message: <blockquote data-quote="sptyks" data-source="post: 331202" data-attributes="member: 1656">2 speeds, no circuit boardJust a note. All Kirby vacuums since 1965 have a 2 speed motor, Low for vacuuming carpets and High speed for above floor cleaning with the hose and tools. As far as I know there is no circuit board inside. Seems to me that manufacturers of canister vacs could provide 2 speeds without any circuit board. But I'm sure they know this but don't do it for the reasons stated by Human in the previous post. </blockquote>