Damper for a loudspeaker and a method for producing the same

Damper for a speaker apparatus

Damper for loudspeaker and method for manufacturing same

Damper structure of preventing irregular vibration for speaker

Device having two coaxially disposed bodies which are...

Devices for displaying modal patterns

Diaphragm and loudspeaker using same

Diaphragm and speaker device

Diaphragm and speaker using same

Diaphragm edge of speaker

Diaphragm for electroacoustic transducer and method of...

Diaphragm for full range boxless rotary loudspeaker driver

Diaphragm for loud speaker and loud speaker employing it

Diaphragm for loud speaker and loud speaker employing it

Diaphragm for speakers

Diaphragm stable through hygroscopic cycling

Diaphragm structure of light sound converter

Diaphragm support frames for acoustic transducers and method of

Diaphragm transducer

Diaphragm with integrated acoustical and optical properties