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The EL84 is a thermionic valve of the power pentode type. [1]

29 relations: Amplifier, Čadca, British Invasion, Electric guitar, Electro-Harmonix, Fender Musical Instruments Corporation, Guitar amplifier, JJ Electronic, List of vacuum tubes, Mesa Boogie, Mullard 5-10, Mullard–Philips tube designation, Niš, Pentode, Philips, Preamplifier, Push–pull output, RCA, RETMA tube designation, Russia, Serbia, Slovakia, Soviet Union, Sovtek, Sylvania Electric Products, Vacuum tube, Vox (musical equipment), 6P1P, 6V6.

Amplifier

An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the power of a signal (a time-varying voltage or current).

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Čadca

Čadca (until 1918 Čatca, Czača, Csaca, Czadca) is a district town in northern Slovakia, near the border with Poland and the Czech Republic.

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British Invasion

The British Invasion was a cultural phenomenon of the mid-1960s when rock and pop music acts from the United Kingdom and other aspects of British culture, became popular in the United States and significant to rising "counterculture" on both sides of the Atlantic.

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Electric guitar

An electric guitar is a guitar that uses one or more pickups to convert the vibration of its strings into electrical signals.

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Electro-Harmonix

Electro-Harmonix is a New York-based company that makes high-end electronic audio processors and sells rebranded vacuum tubes.

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Fender Musical Instruments Corporation

Fender Musical Instruments Corporation (FMIC), commonly referred to simply as Fender, is an American manufacturer of stringed instruments and amplifiers.

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Guitar amplifier

A guitar amplifier (or amp) is an electronic device or system that strengthens the weak electrical signal from a pickup on an electric guitar, bass guitar, or acoustic guitar so that it can produce sound through one or more loudspeakers, which are typically housed in a wooden cabinet.

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JJ Electronic

JJ Electronic, s.r.o, from Čadca, in Kysuce region in Slovakia, is one of the world's remaining producers of vacuum tubes.

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List of vacuum tubes

This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes.

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Mesa Boogie

Mesa/Boogie (also known as Mesa Engineering) is an American company in Petaluma, California that manufactures amplifiers for guitars and basses.

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Mullard 5-10

The Mullard 5-10 was a circuit for a valve amplifier designed by the British valve company, Mullard in 1954 at the Mullard Applications Research Laboratory (ARL) in Mitcham Surrey UK, part of the New Road factory complex, to take advantage of their particular products.

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Mullard–Philips tube designation

In Europe, the principal method of numbering vacuum tubes ("thermionic valves") was the nomenclature used by the Philips company and its subsidiaries Mullard in the UK, Valvo(de, it) in Germany, Radiotechnique (Miniwatt-Dario brand) in France, and Amperex in the United States, from 1934 on.

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Niš

Niš (Ниш) is the third-largest city in Serbia and the administrative center of the Nišava District.

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Pentode

A pentode is an electronic device having five active electrodes.

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Philips

Koninklijke Philips N.V. (Philips, stylized as PHILIPS) is a Dutch multinational technology company headquartered in Amsterdam currently focused in the area of healthcare.

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Preamplifier

A preamplifier (preamp or "pre") is an electronic amplifier that converts a weak electrical signal into an output signal strong enough to be noise-tolerant and strong enough for further processing, or for sending to a power amplifier and a loudspeaker.

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Push–pull output

A push–pull amplifier is a type of electronic circuit that uses a pair of active devices that alternately supply current to, or absorb current from, a connected load.

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RCA

The RCA Corporation was a major American electronics company, which was founded as the Radio Corporation of America in 1919.

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RETMA tube designation

The Radio Electronics Television Manufacturers' Association was formed in 1953, as a result of mergers with other trade standards organisations, such as the RMA.

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Russia

Russia (rɐˈsʲijə), officially the Russian Federation (p), is a country in Eurasia. At, Russia is the largest country in the world by area, covering more than one-eighth of the Earth's inhabited land area, and the ninth most populous, with over 144 million people as of December 2017, excluding Crimea. About 77% of the population live in the western, European part of the country. Russia's capital Moscow is one of the largest cities in the world; other major cities include Saint Petersburg, Novosibirsk, Yekaterinburg and Nizhny Novgorod. Extending across the entirety of Northern Asia and much of Eastern Europe, Russia spans eleven time zones and incorporates a wide range of environments and landforms. From northwest to southeast, Russia shares land borders with Norway, Finland, Estonia, Latvia, Lithuania and Poland (both with Kaliningrad Oblast), Belarus, Ukraine, Georgia, Azerbaijan, Kazakhstan, China, Mongolia and North Korea. It shares maritime borders with Japan by the Sea of Okhotsk and the U.S. state of Alaska across the Bering Strait. The East Slavs emerged as a recognizable group in Europe between the 3rd and 8th centuries AD. Founded and ruled by a Varangian warrior elite and their descendants, the medieval state of Rus arose in the 9th century. In 988 it adopted Orthodox Christianity from the Byzantine Empire, beginning the synthesis of Byzantine and Slavic cultures that defined Russian culture for the next millennium. Rus' ultimately disintegrated into a number of smaller states; most of the Rus' lands were overrun by the Mongol invasion and became tributaries of the nomadic Golden Horde in the 13th century. The Grand Duchy of Moscow gradually reunified the surrounding Russian principalities, achieved independence from the Golden Horde. By the 18th century, the nation had greatly expanded through conquest, annexation, and exploration to become the Russian Empire, which was the third largest empire in history, stretching from Poland on the west to Alaska on the east. Following the Russian Revolution, the Russian Soviet Federative Socialist Republic became the largest and leading constituent of the Union of Soviet Socialist Republics, the world's first constitutionally socialist state. The Soviet Union played a decisive role in the Allied victory in World War II, and emerged as a recognized superpower and rival to the United States during the Cold War. The Soviet era saw some of the most significant technological achievements of the 20th century, including the world's first human-made satellite and the launching of the first humans in space. By the end of 1990, the Soviet Union had the world's second largest economy, largest standing military in the world and the largest stockpile of weapons of mass destruction. Following the dissolution of the Soviet Union in 1991, twelve independent republics emerged from the USSR: Russia, Ukraine, Belarus, Kazakhstan, Uzbekistan, Armenia, Azerbaijan, Georgia, Kyrgyzstan, Moldova, Tajikistan, Turkmenistan and the Baltic states regained independence: Estonia, Latvia, Lithuania; the Russian SFSR reconstituted itself as the Russian Federation and is recognized as the continuing legal personality and a successor of the Soviet Union. It is governed as a federal semi-presidential republic. The Russian economy ranks as the twelfth largest by nominal GDP and sixth largest by purchasing power parity in 2015. Russia's extensive mineral and energy resources are the largest such reserves in the world, making it one of the leading producers of oil and natural gas globally. The country is one of the five recognized nuclear weapons states and possesses the largest stockpile of weapons of mass destruction. Russia is a great power as well as a regional power and has been characterised as a potential superpower. It is a permanent member of the United Nations Security Council and an active global partner of ASEAN, as well as a member of the G20, the Shanghai Cooperation Organisation (SCO), the Council of Europe, the Asia-Pacific Economic Cooperation (APEC), the Organization for Security and Co-operation in Europe (OSCE), and the World Trade Organization (WTO), as well as being the leading member of the Commonwealth of Independent States (CIS), the Collective Security Treaty Organization (CSTO) and one of the five members of the Eurasian Economic Union (EEU), along with Armenia, Belarus, Kazakhstan and Kyrgyzstan.

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Serbia

Serbia (Србија / Srbija),Pannonian Rusyn: Сербия; Szerbia; Albanian and Romanian: Serbia; Slovak and Czech: Srbsko,; Сърбия.

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Slovakia

Slovakia (Slovensko), officially the Slovak Republic (Slovenská republika), is a landlocked country in Central Europe.

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Soviet Union

The Soviet Union, officially the Union of Soviet Socialist Republics (USSR) was a socialist state in Eurasia that existed from 1922 to 1991.

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Sovtek

Sovtek is a brand of vacuum tube owned by Mike Matthews's New Sensor Corporation and manufactured in Saratov, Russia.

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Sylvania Electric Products

Sylvania Electric Products was a U.S. manufacturer of diverse electrical equipment, including at various times radio transceivers, vacuum tubes, semiconductors, and mainframe computers such as MOBIDIC.

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Vacuum tube

In electronics, a vacuum tube, an electron tube, or just a tube (North America), or valve (Britain and some other regions) is a device that controls electric current between electrodes in an evacuated container.

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Vox (musical equipment)

Vox is a musical equipment manufacturer founded in 1947 by Thomas Walter Jennings in Dartford, Kent, England.

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6P1P

The 6P1P (Russian: 6П1П) is a Soviet-made miniature 9-pin beam tetrode vacuum tube with ratings similar to the 6AQ5, EL90 and the 6V6.

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6V6

The 6V6 is a beam-power tetrode vacuum tube.

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Redirects here:

6BQ5, 6P14P, PL84.

References

[1] https://en.wikipedia.org/wiki/EL84

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