| 摘要 |
Three sub-assemblies, consisting of an elongate center section having elongate, compound core members assembled with opposite sides thereof and a pair of elongate housing sections having elongate, compound core members assembled therewith, are joined with the housing assemblies sandwiching the center section assembly therebetween with an opposite end portion of each elongate core member of the center section assembly forming a magnetic circuit, including an air gap, with a corresponding end portion of an elongate core member assembled with one of the housing sections. Separation of the joined sub-assemblies substantially perpendicular to the longitudinal axes thereof at a position intermediate the opposite end portions of the elongate, compound core members results in the formation of two complete, dual gap head assemblies.
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