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Threshold Audio
Threshold Audio is a high-end audio equipment manufacturer originally established in California in 1974 by audio engineer Nelson Pass and graphic designer René Besne. The company, today based in Houston Texas, manufactures mono-block and stereo power amplifiers, multi-channel power amplifiers and stereo control amplifiers. Nelson Pass and the founding of Threshold In the early 1970s, Nelson Pass was studying Physics at the University of California-Davis. While a student, he founded PMA to design and manufacture speakers. In 1972, he joined ESS speakers in Sacramento just prior to the arrival of Oscar Heil, who would design the Heil Air Motion Transformer which was a key component of the ESS AMT series of speakers. Pass worked at ESS designing crossovers and enclosures through 1973. He also was a service manager for Sun Stereo performing repairs on McIntosh Laboratory, Phase Linear, Pioneer Corporation and other brands of amplifiers, and began formulating his own amplifier designs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
California
California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territories of the United States by population, most populous U.S. state and the List of U.S. states and territories by area, 3rd largest by area. It is also the most populated Administrative division, subnational entity in North America and the 34th most populous in the world. The Greater Los Angeles area and the San Francisco Bay Area are the nation's second and fifth most populous Statistical area (United States), urban regions respectively, with the former having more than 18.7million residents and the latter having over 9.6million. Sacramento, California, Sacramento is the state's capital, while Los Angeles is the List of largest California cities by population, most populous city in the state and the List of United States cities by population, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nelson Pass
Nelson Pass (born June 27, 1951) is a designer of audio amplifiers. Pass is vocal that listening tests remain valuable and that electrical measurements alone do not fully characterize the sound of an amplifier. Pass holds at least seven U.S. patents related to audio circuits. Career Studies, PMA and ESS In 1974, he received his BS in physics from the University of California-Davis.http://www.diyaudio.com/forums/showthread.php?postid=1600879#post1600879 NP@diyaudio During his studies, he and Mike Maher founded the small speaker company PMA.http://stereophile.com/interviews/1191pass/ Interview with NP From 1973 to 1974, he was employed at ESS and assisted Dr. Oskar Heil with crossover design, woofer selection, and final build cabinetry of audiophile, consumer grade loudspeakers. Nelson Pass holds 6 patents related to magneplanar speakers. Threshold After graduating in 1974, he and René Besne founded high-end amplifier company Threshold Electronics on December 5, 1974. Later, Jo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Houston
Houston (; ) is the most populous city in Texas, the most populous city in the Southern United States, the fourth-most populous city in the United States, and the sixth-most populous city in North America, with a population of 2,304,580 in 2020. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, it is the seat and largest city of Harris County and the principal city of the Greater Houston metropolitan area, which is the fifth-most populous metropolitan statistical area in the United States and the second-most populous in Texas after Dallas–Fort Worth. Houston is the southeast anchor of the greater megaregion known as the Texas Triangle. Comprising a land area of , Houston is the ninth-most expansive city in the United States (including consolidated city-counties). It is the largest city in the United States by total area whose government is not consolidated with a county, parish, or borough. Though primarily in Harris County, small portions of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Physics
Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge which relates to the order of nature, or, in other words, to the regular succession of events." Physics is one of the most fundamental scientific disciplines, with its main goal being to understand how the universe behaves. "Physics is one of the most fundamental of the sciences. Scientists of all disciplines use the ideas of physics, including chemists who study the structure of molecules, paleontologists who try to reconstruct how dinosaurs walked, and climatologists who study how human activities affect the atmosphere and oceans. Physics is also the foundation of all engineering and technology. No engineer could design a flat-screen TV, an interplanetary spacecraft, or even a better mousetrap without first understanding the basic laws of physic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ESS Speakers
The suffix ''-ess'' (plural ''-esses'') appended to English words makes a female form of the word. ESS or ess may refer to: Education * Ernestown Secondary School, in Odessa, Ontario * European Standard School, in Dhaka, Bangladesh Government * Economic System of Socialism, an East German economic policy * Emergency Social Services, in British Columbia, Canada People * Barbara Ess (1948-2021), American photographer * Brandon Ess (born 1971), German cricketer * Émile Ess (1932–1990), Swiss rower * Gene Ess, Japanese-American guitarist Science and medicine * Earth system science * Empty sella syndrome * Epworth Sleepiness Scale * European Social Survey * European Spallation Source, a nuclear research facility * Euthyroid sick syndrome * Evolutionarily stable strategy * Explained sum of squares * Effective sample size Sport * ES Sétif, an Algerian professional football club * Étoile Sportive du Sahel, a Tunisian football club * Extreme Sailing Series, a series of sail ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sacramento, California
) , image_map = Sacramento County California Incorporated and Unincorporated areas Sacramento Highlighted.svg , mapsize = 250x200px , map_caption = Location within Sacramento County in California , pushpin_map = California#USA , pushpin_label = Sacramento , pushpin_map_caption = Location within California##Location in the United States , pushpin_relief = yes , coordinates = , coordinates_footnotes = , subdivision_type = Country , subdivision_name = United States , subdivision_type1 = U.S. state, State , subdivision_name1 = California , subdivision_type2 = List of counties in California, County , subdivision_name2 = Sacramento County, California, Sacramento ---- , subdivision_type3 = List of regions of California, Region ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
McIntosh Laboratory
McIntosh Laboratory is an American manufacturer of handcrafted high-end audio equipment based in Binghamton, New York. The company was founded in 1949 by Frank McIntosh. The company designs and produces audio amplifiers, stereo tuners and other consumer electronics products. Company history In 1946 Frank McIntosh, a design consultant for broadcast and TV stations, hired Gordon Gow to help him design a high power, low distortion amplifier for his clients. This amplifier would become the 50W-1. It included McIntosh’s first patented circuit, the Unity Coupled Circuit, still used by current products. In 1956, the company moved to its current location of 2 Chambers Street, Binghamton, New York. Dave O'Brien joined McIntosh in 1962. He led the McIntosh Amplifier Clinics for the next 30 years. McIntosh created a Loudspeaker division in 1967. McIntosh amplifiers were used at the Woodstock Music Festival in 1969. The Grateful Dead's "Wall of Sound" reputedly used forty-ei ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phase Linear
Phase Linear was an audio equipment manufacturer founded by Bob Carver and Steve Johnston in 1970. While primarily known as a power amplifier company it also produced several innovative preamplifiers, tuners and the Andromeda loudspeaker. History Its first location was 19555 23rd Ave. N.W. Seattle, Washington. Its second location was a small building at 405 Howell Way in Edmonds, Washington. The first amplifier produced was the Phase Linear 700. With 350 watts per channel it soon became the standard amplifier used by recording studios, sound reinforcement companies, professional musicians and audiophiles. It had a retail price of $749.00, or a little more than a dollar a watt. The design was notable for its brushed aluminum front panel and large dual VU meters, and was made possible by the new high-power transistors designed for the high voltages of auto electronic ignitions. That original amp was replaced by the 700B and the 700 II. All of those designs were made to have e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pioneer Corporation
commonly referred to as Pioneer, is a Japanese multinational corporation based in Tokyo, that specializes in digital entertainment products. The company was founded by Nozomu Matsumoto in January 1, 1938 in Tokyo as a radio and speaker repair shop. Its current president is Susumu Kotani. Pioneer played a role in the development of interactive cable TV, the LaserDisc player, the first automotive Compact Disc player, the first detachable face car stereo, Supertuner technology, DVD and DVD recording, the first AV receiver with Dolby Digital, plasma display (with the last 2 years of plasma models being branded as Kuro, lauded for their outstanding black levels) and Organic LED display (OLED). The company works with optical disc and display technology and software products and is also a manufacturer. BMW, Volkswagen Group and Daimler AG of Germany jointly acquired a 3% ownership stake in Pioneer through a joint venture company called Here B.V. Most of Pioneer's shares are held by ... [...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] |
Industrial Design
Industrial design is a process of design applied to physical Product (business), products that are to be manufactured by mass production. It is the creative act of determining and defining a product's form and features, which takes place in advance of the manufacture or production of the product. It consists purely of repeated, often automated, replication, while craft-based design is a process or approach in which the form of the product is determined by the product's creator largely concurrent with the act of its production. All manufactured products are the result of a design process, but the nature of this process can vary. It can be conducted by an individual or a team, and such a team could include people with varied expertise (e.g. designers, engineers, business experts, etc.). It can emphasize intuitive creativity or calculated Evidence-based design, scientific decision-making, and often emphasizes a mix of both. It can be influenced by factors as varied as Raw material, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nakamichi
is a Japanese consumer electronics brand that originated in Japan and gained a name from the 1970s onwards for innovative and high quality audio cassette decks. Nakamichi is a subsidiary of Chinese holding company Nimble Holdings. Nakamichi manufactured electronic devices from its founding in 1948 but only sold them under its name from 1972. It is credited with offering the world's first three-head cassette deck. Since 1999, its product range has included design-oriented home cinema audio systems, sound bars, speakers, headphones, mini hi-fi systems, automotive stereo products and video DVD products. Background Etsuro Nakamichi founded Nakamichi in 1948 as Nakamichi Research Corporation Ltd (中道研究所株式会社 ''Nakamichi Kenkyujo Kabushiki Kaisha'') in Tokyo, Japan. It specialises in manufacturing portable radios, tonearms, speakers, and communications equipment. It was later headed by the founder's younger brother Niro Nakamichi. The company was originally estab ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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