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Brief description of the drawings
FIG. 1 is a cross-sectional view showing a conventional low leakage magnetic flux type speaker,
FIG. 2 is a cross sectional view of one assembling step of the same speaker, and FIG. FIG. 4 is a
cross-sectional view showing an assembly process of the speaker. 13: Center pole, 14: Plate, 15:
Conical recess, 16: Ring-shaped ferrule gnet, 1-7: Ring-shaped upper plate, 18: Outside Magnetic
type magnetic circuit, 19: frame, 20: through hole, 21a: guide line step portion, 21b: guide
protrusion (not shown), 22: cone-shaped diaphragm, 23: voice coil, 24: damper, 25: Tm magnetic
gap 26: dust cap, 27: jig, 28: chi, pull.