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Loudspeaker with attached step-down transformer for use on a constant-voltage system. Constant-voltage speaker systems refer to networks of loudspeakers which are connected to an audio amplifier using step-up and step-down transformers to simplify impedance calculations and to minimize power loss over the speaker cables.
PA over IP refers to PA paging and intercom systems that use an Internet Protocol (IP) network, instead of a central amplifier, to distribute the audio signal to paging locations across a building or campus, or anywhere else in the reach of the IP network, including the Internet. Network-attached amplifiers and intercom units are used to ...
Bogen was not interested so Harman resigned in 1953, [3] taking his boss, Bogen's chief designer Bernard Kardon (January 8, 1914 – April 14, 1993) with him. Naming their new company Harman/Kardon Inc., [ 4 ] each invested $5,000 (equivalent to $56,940 in 2023) in capital and opened a production facility in Westbury, New York.
Radio-paging code No. 1 (usually and hereafter called POCSAG) is an asynchronous protocol used to transmit data to pagers. Its usual designation is an acronym of the P ost O ffice C ode S tandardisation A dvisory G roup, the name of the group that developed the code under the chairmanship of the British Post Office that used to operate most ...
Another Sinclair Radionics product that was introduced in 1964 and failed was the first class D amplifier kit rated at 10 watt RMS: [citation needed] a class D switching amplifier that was good in theory but sadly ahead of its time and available technology. The amplifier used low-frequency germanium transistors as pulse width modulators and ...
A popular and unfortunate misconception is that Ambisonic recordings can only be made with the SFM, and as a result there is a widespread, and erroneous, belief that Ambisonics can only be used to capture a live acoustic event (something that accounts for a tiny proportion of modern commercial recordings, the vast majority of which are built up in the studio and mixed from multitrack).
Two years after finally being identified, the "Boy in the Box" case continues to haunt Philadelphia. The slain body of Joseph Augustus Zarelli, 4, was discovered in February 1957 in Philadelphia's ...
McIntosh Laboratory is an American manufacturer of handcrafted high-end [1] [2] [3] audio equipment headquartered in Binghamton, New York. [4] [5] It is a subsidiary of McIntosh Group, which in November 2024 was acquired by Bose Corporation, a fellow American audio company..
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