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The IRS (Infinity Reference System) was an ultra-high-end system, selling at US$65,000 in the 1980s. It consisted of 72 EMIT tweeters, 24 EMIM midrange drivers, and twelve 12-inch polypropylene woofers in four towers. Nudell left to form Genesis Technologies, a high-end loudspeaker company, founded in Seattle in 1991. [2]
Constant-voltage speaker systems are also commonly referred to as 25-, 70-, 70.7-, 100 or 210-volt speaker systems; distributed speaker systems; or high-impedance speaker systems. In Canada and the US, they are most commonly referred to as 70-volt speakers. In Europe, the 100 V system is the most widespread, with amplifier and speaker products ...
THIEL Audio was an American privately held high performance loudspeaker ( hi-end audio) manufacturer founded in Lexington, Kentucky, but later based in Nashville, Tennessee. Thiel Audio products were distributed to over 30 countries. All products by the founders were designed and built in their 35,000-square-foot (3,300 m 2) facility located in ...
A speaker enclosure using a passive radiator usually contains an "active loudspeaker " (or main driver), and a passive radiator (also known as a "drone cone"). The active loudspeaker is a normal driver, and the passive radiator is of similar construction, but without a voice coil and magnet assembly. It is not attached to a voice coil or wired ...
Rotary woofer. A rotary woofer is a subwoofer -style loudspeaker which reproduces very low frequency content by using a conventional speaker voice coil 's motion to change the pitch (angle) of the blades of an impeller rotating at a constant speed. The pitch of the fan blades is controlled by the audio signal presented to the voice coil, and is ...
A voice coil (consisting of a former, collar, and winding) is the coil of wire attached to the apex of a loudspeaker cone. It provides the motive force to the cone by the reaction of a magnetic field to the current passing through it. The term is also used for voice coil linear motors such as those used to move the heads inside hard disk drives ...
The Boston-area retail chain Tweeter was one of the first and largest stores to sell them. Boston Acoustics entered the mobile audio category in 1983. Boston produced speakers for home, custom/architectural, and vehicles. They also produced OEM equipment factory-fitted to a variety of cars including Chrysler 300, Chrysler 200, Chrysler PT ...
Rugby union player Connor Garden-Bachop has died aged 25 after a “medical event,” New Zealand Rugby confirmed on Tuesday. Garden-Bachop represented the Māori All Blacks – a side initially ...