amplifying equipment
1Wireless microphone — A wireless microphone, as the name implies, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated.Various individuals and organizations claim to be the inventors …
2microphone — mi cro*phone (m[imac] kr[ o]*f[=o]n), n. [Micro + Gr. fwnh sound, voice: cf. F. microphone.] (Physics) An instrument for converting sounds into electrical signals, for the purpose of recording or amplifying the sounds. It produces its effects in… …
3SS Nieuw Amsterdam — The Nieuw Amsterdam was a Dutch ocean liner built in Rotterdam for the Holland America Line. This Nieuw Amsterdam , the second of three Holland America ships with that name, is considered by many to have been Holland America s finest… …
4Nationwide Festival of Light — See also: Festival of Lights The Nationwide Festival of Light was a grassroots movement formed by British Christians concerned about the development of the permissive society in the UK at the end of the 1960s. Its leading lights included the… …
5Lyman Alexander Swingle — (November 6, 1910–March 14, 2001) was one of the members of the Governing Body of Jehovah s Witnesses. Swingle was born on November 6, 1910, in Lincoln, Nebraska, USA, but soon afterward the family moved to Salt Lake City, Utah. There, in 1913,… …
6United States Supreme Court cases involving Jehovah's Witnesses — Since the 1940s, the Jehovah s Witnesses have often invoked the First Amendment s freedom of religion clauses to protect their ability to engage in the that is central to their faith. This series of litigation has helped to define civil liberties …
7Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …
8Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …
9electronics — /i lek tron iks, ee lek /, n. (used with a sing. v.) the science dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors. [1905 10; see ELECTRONIC,… …
10Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
