Driver for a horn radiator

Driver for a speaker

Dual basket speaker with replaceable, self-aligning cone...

Dual diaphragm electroacoustic transducer

Edge support for a speaker apparatus comprising multiple ridges

Electric acoustic converter having a rear surface terminal

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/mechanical/sound converter and apparatus of...

Electricity-to-sound transducer

Electro-acoustic converter

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

Electro-acoustic micro-transducer having three-mode...

Electro-acoustic transducer

Electro-acoustic transducer

Electro-acoustic transducer

Electro-acoustic transducer and electronic device

Electro-acoustic transducer with resistance to shock-waves