Speaker, module using the same, electronic equipment and device, and speaker producing method

A speaker comprising:

• a magnet circuit assembly including
• a frame, and
• a permanent magnet;
• a diaphragm assembly including
• a diaphragm, and
• a voice coil attached to an outer peripheral portion of said diaphragm;
• and
• an edge supporting said diaphragm with respect to said frame, an outer periphery of said edge being connected to said frame, and an inner periphery of said edge being connected to a joint part of said diaphragm, said joint part being disposed inwardly of said outer peripheral portion of said diaphragm;
• wherein said diaphragm has a through hole formed therethrough in a thickness direction thereof, said through hole being located outwardly of said joint part of said diaphragm and inwardly of said outer peripheral portion of said diaphragm such that said outer peripheral portion of said diaphragm is interposed between said through hole and said voice coil.