Deleterious mechanical vibrations from dynamic loudspeaker offse

Details Deleterious mechanical vibrations from dynamic loudspeaker offse Deleterious mechanical vibrations from dynamic loudspeaker offse

1978-07-24

1979-11-27

Stellar, George G.

1791155DV, 179180, H04R 906

Patent

active

041762495

ABSTRACT:
A dynamic loudspeaker comprises first and second device means each having a coil disposed in a magnetic gap formed in a magnetic circuit, a vibratory member driven by a first drive means, and a massive member opposingly disposed to the vibratory member and being driven by a second drive means, whereby reaction force generated by said vibratory member is substantially eliminated by reaction force of said massive member.

REFERENCES:
patent: 2832843 (1958-04-01), Miessner
patent: 4109116 (1978-08-01), Victoreen

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