Loudspeaker with moving coil drive operating a free edge cone

Loudspeaker with moving coil drive operating a free edge cone

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Loudspeaker with moving coil drive operating a free edge cone
Science Museum Group
© The Board of Trustees of the Science Museum

Loudspeaker with moving coil drive operating a free edge cone, with condenser

Details

Category:
Radio Communication
Object Number:
1933-409
type:
loudspeaker
credit:
Mr. Douglas H. Johnson.