Patent
1976-10-21
1977-11-08
Stellar, George G.
H04R 906
Patent
active
040576949
ABSTRACT:
The nodal circle between the inner and outer concentric portions of an audio speaker diaphragm is positioned so that the ratio of the areas of the inner and outer portions is approximately equal to the ratio of their respective masses, whereby the frequency response curve remains relatively flat and is not affected by first order resonance.
Pioneer Electronic Corporation
Stellar George G.
LandOfFree
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