JJ Electronic, s.r.o is a Slovak electronic component manufacturer, and one of the world’s remaining producers of vacuum tubes. They are based in Čadca, in the Kysuce region of Slovakia. Most of the products that JJ offers are audio receiving tubes. These vacuum tubes are mainly used for guitar and hi-fi amplifiers. In technical terms, JJ produces triodes, beam tetrodes and power pentodes. Double diode vacuum tubes […]

Čadca is a district town in northern Slovakia, near the border with Poland and the Czech Republic. Geography It is located south of the Jablunkov Pass, surrounded by the Javorníky, Kysucké Beskydy and Turzovská vrchovina mountain ranges. It lies in the valley of the Kysuca river, around 30 kilometres (19 miles) north of Žilina and is part of the historic region of Kysuce. A Goral minority lives in the surroundings. History The […]