horn speaker造句

• The first practical loudspeakers, introduced around the turn of the 20th century, were horn speakers.
• "' Specimen Products "'is a Chicago-based manufacturer of custom guitars, tube amplifiers, and audio horn speakers led by luthier Ian Schneller.
• The projection room had a large standard, perforated movie screen with an RCA-copy of a'Voice of the Theater'horn speaker behind it.
• It was during his service at the Southwest Proving Grounds located in Hope, Arkansas, that Klipsch refined his corner horn speaker design.
• The " Leslie piano " is an acoustic piano miked and fed through a Leslie speaker with a built-in revolving horn speaker.
• The dynamic cone loudspeaker invented in 1924 greatly improved audio frequency response over the previous horn speakers, allowing music to be reproduced with good fidelity.
• One painting has the lady of the house knitting in front of a cabinet on top of which sits a gramophone with its petal-shaped horn speaker.
• To achieve adequate response at bass frequencies horn speakers must be very large and cumbersome, so they are more often used for midrange and high frequencies.
• Slovak said the old horn speakers, which produced a lot of sound intended to cover a large area, were not properly engineered or situated to provide the best sound.
• Due to the development in recent decades of more efficient cone loudspeakers, which have a flatter frequency response, use of horn speakers in high fidelity audio systems has declined.
• In 1924, David Sarnoff, president of the Radio Corporation of America, commissioned Czechoslovak artisans to construct a pair of horn speakers of mahogany inlaid with mother-of-pearl to appeal to the high-end market.
• Handheld versions are shaped generally like the old acoustic megaphone, with a microphone at one end and a horn speaker at the other, and a pistol grip on the side, with a trigger switch to turn it on.