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Altec Lansing. Altec Lansing, Inc. is an American audio electronics company founded in 1927. [ 4 ] Their primary products are loudspeakers and associated audio electronics for professional, home, automotive and multimedia applications. [ 5 ] Engineers at Western Electric, who later formed Altec Services Company, developed the technology for ...
In 2007, microphones employing ribbon elements made of strong nanomaterials became available, offering orders of magnitude improvement in signal purity and output level. [18] The ribbon microphone is an electrically simple design with no active circuitry; it is possible to build one from a kit, or with basic tools and materials. [19]
Phantom power. Phantom power button and indicator light. Phantom power, in the context of professional audio equipment, is DC electric power equally applied to both signal wires in balanced microphone cables, forming a phantom circuit, to operate microphones that contain active electronic circuitry. [ 1] It is best known as a convenient power ...
Altec Lansing Duplex. DUPLEX was the trade name given by Altec Lansing to its line of coaxial loudspeakers, beginning with the first model 601 in 1943. However, the name was most commonly associated with the subsequent model 604 which was a seminal loudspeaker that became a milestone in loudspeaker development.
Echo suppression and echo cancellation are methods used in telephony to improve voice quality by preventing echo from being created or removing it after it is already present. In addition to improving subjective audio quality, echo suppression increases the capacity achieved through silence suppression by preventing echo from traveling across a ...
Microphone. Shure Brothers microphone, model 55S, multi-impedance "Small Unidyne" dynamic from 1951. A microphone, colloquially called a mic ( / maɪk / ), [ 1] or mike, [ a] is a transducer that converts sound into an electrical signal.
Pro audio, microphones, sound equipment. Owner. DAS Companies, Omnitronics. Website. www.cadaudio.com. The Astatic Corporation is a commercial audio products manufacturer founded in Youngstown, Ohio in 1933. Astatic formed CAD Professional Microphones in 1988 as a division of Astatic. The company reorganized as Omnitronics LLC in 2000, and ...
SwitchCraft 2501F/2501M. This is the part number for a Swichcraft connector used with high impedance microphones up through about 1980. It was intended for coax style cable up to 0.281 inches (7.1 mm) outside diameter. Attachment is made with a 5/8-27 threaded ring that can be unthreaded over the body of the connector body allowing the female ...