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M-Series 5.1. This is another “demi-wireless” offering, because the rear speakers are wired into the subwoofer. That subwoofer, however, is truly wireless and can be placed anywhere in a ...
JBL is an American audio equipment manufacturer headquartered in Los Angeles, California. [1] The company was founded in 1946 by James Bullough Lansing, an American audio engineer and loudspeaker designer.
SoundSticks are multimedia speakers sold by Harman Kardon, originally co-developed with Apple Inc. They were released in July 2000. They are a 2.1 system with a pair of satellite speakers and a subwoofer called the iSub, which was originally available first in October 1999 as a standalone product.
Infinity Systems is an American manufacturer of loudspeakers founded in Los Angeles in 1968 and headquartered in Stamford, Connecticut. [1] Since 1983, Infinity has been part of Harman International Industries, which became a subsidiary of Samsung Electronics in 2017.
Velodyne Acoustics GmbH, commonly known as Velodyne, is a company that makes subwoofers and related products and was originally founded by David Hall in Silicon Valley, California, in 1983 and was then purchased in 2019 by Audio Reference of Hamburg, Germany, and its owner Mansour Mamaghani.
Wireless speakers are similar to wired powered speakers, but they receive audio signals using radio frequency (RF) waves rather than over audio cables. There is an amplifier integrated in the speaker's cabinet because the RF waves alone are not enough to drive the speaker. Wireless speakers still need power, so require a nearby AC power outlet ...
In isobaric designs, the two drivers are placed either "cone to magnet" and wired in phase with one another or "cone to cone" or "magnet to magnet" and wired out of phase with one another so that their cones move together when driven with an audio signal. The term “isobaric” points to the somewhat erroneous notion that the air pressure in ...
From about 1900 to the 1950s, the "lowest frequency in practical use" in recordings, broadcasting and music playback was 100 Hz. [9] When sound was developed for motion pictures, the basic RCA sound system was a single 8-inch (20 cm) speaker mounted in straight horn, an approach which was deemed unsatisfactory by Hollywood decisionmakers, who hired Western Electric engineers to develop a ...
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