Sound collecting and concentrating device for attaching to the b
Sound collecting and concentrating device for attaching to the b
Sound distributor with symmetry of revolution
Sound reinforcement enclosure employing cone loudspeaker with an
Sound reproducing system
Sound wave guide
Speaker array with improved phase characteristics
Speaker assembly
Speaker cabinet
Speaker enclosure
Speaker enclosure
Speaker enclosure
Speaker having a hemispherical vibrator
Speaker side air supply
Speaker system
Speaker system
Speaker system
Speaker system and the same for television sets