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Electrocompaniet
Electrocompaniet is a Norwegian manufacturer of high-end audio products. Their philosophy of the perfect sound has been controversial over their 40 years of history. They base their ideal sound not on technical measurements and theory but rather on getting a sound most true to the live listening experience. Their amplifiers have been used in several Recording Studios, including Michael Jackson and Abbey Road Studios. History Electrocompaniet was established in 1973 by Per Abrahamsen and Svein Erik Børja. Their idea was to create a transistor amplifier that is better sounding than transistor amplifiers did at the time. They based their circuits on research done by Matti Otala of Tampere University of Technology. Their first finished product was a 25 Watt power amplifier named "The 2 Channel Audio Power Amplifier", It was also called "The Otala Amplifier". They continued development on the product. In 1976 a respected high end audio magazine at the time ¨The Audio Critic¨ re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tau, Norway
Tau is a village in Strand, Norway, Strand municipality in Rogaland county, Norway. The village is located on the shore of the Horgefjorden, a branch of the main Boknafjorden. Strand Church (Rogaland), Strand Church is located in the village. The village has a population (2019) of 3,212 and a population density of . The village lies along the Norwegian National Road 13 highway, southwest of the small villages of Fiskå, Rogaland, Fiskå and Holta and northwest of the town of Jørpeland. The Ryfylke Tunnel connects Tau to the Stavanger (city), city of Stavanger nearly away on the other side of a wide fjord. Name The name might come from the Old Norse word ''taufr'' which means 'witchcraft', since there was an ancient sacrificial field here in the Iron Age. Economy Comrod Communications is the largest employer in Tau, mainly manufacturing antennas for military use. Electrocompaniet is also based here. The factory ''Tau Mølle AS'' is located in Tau, producing puffed oats. The f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amplifier
An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a time-varying voltage or current). It may increase the power significantly, or its main effect may be to boost the voltage or current (power, voltage or current amplifier). It is a two-port electronic circuit that uses electric power from a power supply to increase the amplitude of a signal applied to its input terminals, producing a greater amplitude signal at its output. The ratio of output to input voltage, current, or power is termed gain (voltage, current, or power gain). An amplifier, by definition has gain greater than unity (if the gain is less than unity, the device is an attenuator). An amplifier can either be a separate piece of equipment or an electrical circuit contained within another device. Amplification is fundamental to modern electronics, and amplifiers are widely used in almost all electronic equipment. Amplifiers can be categorize ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Poly(methyl Methacrylate)
Poly(methyl methacrylate) (PMMA) belongs to a group of materials called engineering plastics. It is a transparent thermoplastic. PMMA is also known as acrylic, acrylic glass, as well as by the trade names and brands Crylux, Plexiglas, Acrylite, Astariglas, Lucite, Perclax, and Perspex, among several others ( see below). This plastic is often used in sheet form as a lightweight or shatter-resistant alternative to glass. It can also be used as a casting resin, in inks and coatings, and for many other purposes. Although not a type of familiar silica-based glass, the substance, like many thermoplastics, is often technically classified as a type of glass, in that it is a non-crystalline vitreous substance—hence its occasional historic designation as ''acrylic glass''. Chemically, it is the synthetic polymer of methyl methacrylate. It was developed in 1928 in several different laboratories by many chemists, such as William Chalmers, Otto Röhm, and Walter Bauer, and first brought ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Transformer
A transformer is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits. A varying current in any coil of the transformer produces a varying magnetic flux in the transformer's core, which induces a varying electromotive force (EMF) across any other coils wound around the same core. Electrical energy can be transferred between separate coils without a metallic (conductive) connection between the two circuits. Faraday's law of induction, discovered in 1831, describes the induced voltage effect in any coil due to a changing magnetic flux encircled by the coil. Transformers are used to change AC voltage levels, such transformers being termed step-up or step-down type to increase or decrease voltage level, respectively. Transformers can also be used to provide galvanic isolation between circuits as well as to couple stages of signal-processing circuits. Since the invention of the first constant-potential transfo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Super Audio CD
Super Audio CD (SACD) is an optical disc format for audio storage introduced in 1999. It was developed jointly by Sony and Philips Electronics and intended to be the successor to the Compact Disc (CD) format. The SACD format allows multiple audio channels (i.e. surround sound or multichannel sound). It also provides a higher bit rate and longer playing time than a conventional CD. An SACD is designed to be played on an SACD player. A ''hybrid SACD'' contains a Compact Disc Digital Audio (CDDA) layer and can also be played on a standard CD player. History The Super Audio CD format was introduced in 1999, and is defined by the ''Scarlet Book'' standard document. Philips and Crest Digital partnered in May 2002 to develop and install the first SACD hybrid disc production line in the United States, with a production capacity of up to three million discs per year. SACD did not achieve the level of growth that compact discs enjoyed in the 1980s, and was not accepted by the mainstr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Loudspeakers
A loudspeaker (commonly referred to as a speaker or speaker driver) is an Acoustical engineering#Electroacoustics, electroacoustic transducer that converts an electrical audio signal into a corresponding sound. A ''speaker system'', also often simply referred to as a "speaker" or "loudspeaker", comprises one or more such speaker ''drivers'', an enclosure, and electrical connections possibly including a Audio crossover, crossover network. The speaker driver can be viewed as a linear motor attached to a Diaphragm (acoustics), diaphragm which couples that motor's movement to motion of air, that is, sound. An audio signal, typically from a microphone, recording, or radio broadcast, is amplified electronically to a power level capable of driving that motor in order to reproduce the sound corresponding to the original unamplified electronic signal. This is thus the opposite function to the microphone; indeed the ''dynamic speaker'' driver, by far the most common type, is a linear mot ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stereophile
''Stereophile'' is a monthly American audiophile magazine which reviews high-end audio equipment, such as loudspeakers and amplifiers, and audio-related news. History Founded in 1962 by J. Gordon Holt. ''Stereophile'' is the highest-circulation hi-fi magazine in the Americas and possibly the world. In 1998, ''Stereophile'' was acquired by Petersen Publishing. Until 2018, ''Stereophile'' was published in New York by The Enthusiast Network, a publisher of special interest magazines. The magazine was formerly based in Santa Fe, New Mexico Santa Fe ( ; , Spanish for 'Holy Faith'; tew, Oghá P'o'oge, Tewa for 'white shell water place'; tiw, Hulp'ó'ona, label=Tiwa language, Northern Tiwa; nv, Yootó, Navajo for 'bead + water place') is the capital of the U.S. state of New Mexico. .... During this period it was published eight times a year. until the August 1987 issue, when it started monthly publication. In March 2018, ''Stereophile'' was purchased, along with related magazine ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Twenty Thousand Leagues Under The Sea
''Twenty Thousand Leagues Under the Seas'' (french: Vingt mille lieues sous les mers) is a classic science fiction adventure novel by French writer Jules Verne. The novel was originally serialized from March 1869 through June 1870 in Pierre-Jules Hetzel's fortnightly periodical, the . A deluxe octavo edition, published by Hetzel in November 1871, included 111 illustrations by Alphonse de Neuville and Édouard Riou. The book was widely acclaimed on its release and remains so; it is regarded as one of the premier adventure novels and one of Verne's greatest works, along with '' Around the World in Eighty Days'' and ''Journey to the Center of the Earth''. Its depiction of Captain Nemo's underwater ship, the ''Nautilus'', is regarded as ahead of its time, since it accurately describes many features of today's submarines, which in the 1860s were comparatively primitive vessels. A model of the French submarine ''Plongeur'' (launched in 1863) figured at the 1867 Exposition Universe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jules Verne
Jules Gabriel Verne (;''Longman Pronunciation Dictionary''. ; 8 February 1828 – 24 March 1905) was a French novelist, poet, and playwright. His collaboration with the publisher Pierre-Jules Hetzel led to the creation of the ''Voyages extraordinaires'', a series of bestselling adventure novels including ''Journey to the Center of the Earth'' (1864), ''Twenty Thousand Leagues Under the Seas'' (1870), and '' Around the World in Eighty Days'' (1872). His novels, always well documented, are generally set in the second half of the 19th century, taking into account the technological advances of the time. In addition to his novels, he wrote numerous plays, short stories, autobiographical accounts, poetry, songs and scientific, artistic and literary studies. His work has been adapted for film and television since the beginning of cinema, as well as for comic books, theater, opera, music and video games. Verne is considered to be an important author in France and most of Europe, where ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nautilus (Verne)
''Nautilus'' is the fictional submarine belonging to Captain Nemo featured in Jules Verne's novels ''Twenty Thousand Leagues Under the Sea'' (1870) and ''The Mysterious Island'' (1874). Verne named the ''Nautilus'' after Robert Fulton's real-life submarine ''Nautilus'' (1800). For the design of the ''Nautilus'' Verne was inspired by the French Navy submarine ''Plongeur'', a model of which he had seen at the 1867 Exposition Universelle, three years before writing his novel. Description ''Nautilus'' is described by Verne as "a masterpiece containing masterpieces". It is designed and commanded by Captain Nemo. Electricity provided by sodium/mercury batteries (with the sodium provided by extraction from seawater) is the craft's primary power source for propulsion and other services. The energy needed to extract the sodium is provided by coal mined from the sea floor. ''Nautilus'' is double-hulled, and is further separated into water-tight compartments. Its top speed is . I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Captain Nemo
Captain Nemo (; later identified as an Indian, Prince Dakkar) is a fictional character created by the French novelist Jules Verne (1828–1905). Nemo appears in two of Verne's science-fiction classics, ''Twenty Thousand Leagues Under the Seas'' (1870) and ''The Mysterious Island'' (1875). He also makes a brief appearance in a play written by Verne with the collaboration of Adolphe d'Ennery, '' Journey Through the Impossible'' (1882). Nemo is a mysterious figure. Though originally of unknown nationality, he is later described as the son of an Indian raja. A scientific visionary, he roams the depths of the seas in his submarine, the ''Nautilus'', which was assembled from parts manufactured in several different countries, then shipped to a cover address. The captain is consumed by a hunger for vengeance and hatred of imperialism; the British Empire is ultimately revealed as his main antagonist. Nemo has appeared in various film adaptations of Verne's novels, where he has been portra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
