Electret microphone assembly, and method of manufacturer

Electret transducer array and fabrication technique

Electretization method and apparatus

Electric acoustic converter

Electric acoustic converter having a rear surface terminal

Electric sound converter

Electric-acoustic transducer having dual voice coil drivers

Electric-acoustic transducer having moving magnet and...

Electric-mechanical-acoustic converter and method for...

Electrical acoustic converter

Electrical apparatus with electro-acoustic transducer

Electrical connector and method for manufacturing a...

Electrical connectors for electro-dynamic loudspeakers

Electrical device and signal cable assembly

Electrical/mechanical/sound converter and apparatus of...

Electricity-to-sound transducer

Electro acoustic transducer and loudspeaker

Electro-acoustic communications unit

Electro-acoustic converter

Electro-acoustic dynamic transducer system for use in a loud...