A tweeter is a small loudspeaker. Tweeters are designed to reproduce high-pitched sounds (such as the sound of a whistle or a bird singing). It can mean sound's frequency going up to 20kHz. Humans can't hear frequencies larger than 20 000 Hz. Low frequencies would destroy small speakers because it is not designed to create larger movements. This is what a subwoofer is for, to play low frequencies.
RCA connector
An RCA connector (sometimes called a phono connector or cinch connector), is a type of electrical connector commonly used to carry audio and video signals. The yellow is for video, the white is for left stereo, and the red is for right stereo.
Preamplifier
Preamplifier is a type of electronic amplifier. It doesn't have enough power to feed speakers. Rather a preamplifier amplifies weak signals, for example from a microphone, for electronic processing or distribution.
Early preamplifiers used vacuum tubes. Since the 1960s, most electronic amplifiers have been built with transistors. Transistors are lighter, less expensive, and more reliable.
Mauno Koivisto
Mauno Koivisto (25 November 1923 – 12 May 2017) was a Finnish politician. He was the ninth President of Finland and the 32nd Prime Minister of Finland.
Koivisto was born in Turku. His family was not rich, his father was a carpenter building ships. His mother died when he was young. He finished school in young age, and took odd jobs. In Second world war Koivisto volunteered at the front. After the war he joined Social democratic party.
Koivisto studied in his adult age and became doctor of law in 1953.
In 1968 Koivisto become prime minister of Finland. He was very popular. His popularity helped him to become president in 1982 when Urho Kekkonen was too sick to continue. Koivisto won a second term in election.
As a president, Koivisto continued line of Kekkonen and was careful to practice neutral policy. This meant hthat he was not too visibly anti-soviet or pro-soviet. During his time Finland changed constituttion so that the president had less power than before.
Koivisto's health declined in December 2016 due to Alzheimer's disease and his wife Tellervo started as his caregiver.
In January 2017, Koivisto fell badly at his home and broke his hand, after which he moved to a nursing home. In May 2017, Koivisto was put in end-of-life care. Koivisto died on 12 May 2017 in Helsinki from complications of Alzheimer's disease, aged 93.
Kyösti Kallio
Kyösti Kallio (10 April 1873 - 19 December 1940) was the fourth President of Finland.
He was president from 1937 to 1940. He is the only Finnish president who did not have any higher education.
Kallio was born in Ylivieska. He died in Helsinki.
O Foxo, Silleda
O Foxo is a village in north-western Spain. It is in the parish of , in Pontevedra, Galicia. In 2007, it had a population of 54 people, 26 of them were men and 28 were women. This represents a decrease in the number of people over the year 2000. It was also the former capital of the county.
Saimaa
Saimaa is the largest lake in Finland. It covers . The Vuoksi River flows from Saimaa to Laatokka. The cities nearby to Saimaa's beaches are Lappeenranta, Joensuu, Mikkeli, Imatra, Savonlinna and Varkaus.
Yonsei
Yonsei may mean:
Yonsei (fourth-generation Nikkei)
The character and uniqueness of the "Yonsei" is recognized in its social history. The "Yonsei" are the subject of on-going academic research in the United States and Japan.
The earliest organized group of Japanese emigrants settled in Mexico in 1897.
Imigration to Brazil began in 1908. Today, the community which grew from the immigrant children, grandchildren and great-grandchildren has become the largest Japanese emigrant population outside of Japan, including approximately 1.5 million Brazilians. Other communities of "Yonsei" grew up in the United States, Canada, and Peru.
The use of the term "Yonsei" was modeled after an "Issei" pattern or template. In the 1930s, the term "Issei" came into common use. The word replaced the term "immigrant" ("ijusha"). This change in usage mirrored an evolution in the way the "Issei" looked at themselves. The label "Issei" also included the idea of belonging to the new country.
The term "Nikkei" (日系) was created by sociologists in the late 20th century. The "Nikkei" include all of the world's Japanese immigrants and their descendants.
The "Issei" were born in Japan, and their cultural perspective was primarily Japanese; but they were in another country by choice. Their "Yonsei" great-grandsons and great-granddaughters grew up with a national and cultural point-of-view that was different from their great-grandparents.
Although the "Issei" kept an emotional connection with Japan, they created homes in a country far from Japan. The "Yonsei" had never known a country other than the one into which they were born.
The "Issei," "Nisei" and "Sansei" generations reflect distinctly different attitudes to authority, gender, religious practice, and other matters.
Colleen Hanabusa
Colleen Wakako Hanabusa (born May 4, 1951) is an American lawyer and politician. She was the U.S. Representative for the 1st District of Hawaii from 2011 to 2015 and again from 2016 to 2019.
Colleen was born in Honolulu, Hawaii in 1951. She is the daughter of Japanese American parents. She calls herself "Yonsei", which means that she is the great-granddaughter of people born in Japan who immigrated to the US.
International Convention Center (Jerusalem)
The International Convention Centre of Jerusalem (, ), also called: Binyenei HaUma ( - Buildings of the nation) is the main convention center in Jerusalem and the central auditorium of Israel.
Association of Football Federations of Azerbaijan
The Football Federation of Azerbaijan (AFFA) () is the governing body of football in Azerbaijan. It organizes the football league, Azerbaijani Premier League, and the Azerbaijani national football team. It is based in Baku.
Plantation of Ulster
The Plantation of Ulster was the organised colonisation ("plantation") of Ulster. Ulster is a province of Ireland. People from Scotland and England were sent by the English government to live there. This started at the beginning of the 17th century, from 1606. It was colonised to stop the people living in the area fighting against the English rule. Ulster had been the region most resistant to English control during the previous century.
All land owned by Irish chieftains of the O'Neill dynasty ("Uí Néill" in Gaelic) and O'Donnell dynasty ("Uí Domhnaill" in Gaelic) was taken from them, and used for the colonists. This land added up to an estimated half a million acres (2,000 km²) in the counties County Donegal (called "Tyrconnell" at the time), Tyrone, Fermanagh, Cavan, Coleraine and Armagh. Most of counties Antrim and Down were privately colonised.
The colonists were also called the "British tenants". They were mostly from Scotland and England. They had to be English-speaking and Protestant. The Scottish colonists were mostly Presbyterian and the English mostly members of the Church of England. The Plantation of Ulster was the biggest of the Plantations of Ireland.