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Multiple-entry horn. The multiple-entry horn (also known under the trademarks CoEntrant, Unity and Synergy horn) is a manifold speaker design; it uses several different drivers mounted on the horn at stepped distances from the horn's apex, where the high-frequency driver is placed. Depending on implementation, this design offers an improvement ...
A horn loudspeaker is a loudspeaker or loudspeaker element which uses an acoustic horn to increase the overall efficiency of the driving element(s). A common form (right) consists of a compression driver which produces sound waves with a small metal diaphragm vibrated by an electromagnet, attached to a horn, a flaring duct to conduct the sound waves to the open air.
Danley's Synergy Horn concept was an improvement on the multiple entry design of the SPL-td1. The idea is that multiple drivers in different bandpasses are combined into one horn to make a phase-accurate, constant-directivity single-point-source loudspeaker.
In the 1960s, horn loaded theater and PA speakers were commonly columns of multiple drivers mounted in a vertical line within a tall enclosure. The 1970s to early 1980s was a period of innovation in loudspeaker design with many sound reinforcement companies designing their own speakers using commercially available drivers.
Altec 604 Duplex Loudspeaker Original Altec 604 Sales Literature, Page 1 Cutaway View Of Altec 604 Duplex Loudspeaker Comparison of the different horns used in the Altec 604 and 604B and the one used in the 604C-G Altec 605A Advertisement, 1959 Altec 604E SuperDuplex Specification Sheet, Page 1 Altec Lansing 604-8K Duplex Loudspeaker Current version of the Altec 604
Community Professional is also well known for its weather-resistant loudspeaker designs, which are installed in major sports stadia and arenas throughout the world. [5] This same quality makes the company's loudspeakers a valuable component in emergency notification systems, such as the one used by the Tidal Information System in Venice, Italy. [8]
A compression driver is a small specialized diaphragm loudspeaker which generates the sound in a horn loudspeaker. It is attached to an acoustic horn, a widening duct which serves to radiate the sound efficiently into the air. It works in a "compression" mode; the area of the loudspeaker diaphragm is significantly larger than the throat ...
Renkus-Heinz Founder and CEO Harro Heinz. Renkus-Heinz was founded on April 1, 1979 by Harro K. Heinz and Algis Renkus (1937–1997 [7]). [1] Heinz had previously been awarded a patent in 1975 for his work on a "Comprehensive feedback elimination system employing notch filter" [8] that was performed while he was employed at Rauland Borg Corporation, the company he left to found Renkus-Heinz. [9]
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