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A valve audio amplifier or vacuum tube audio amplifier is a valve amplifier used for sound reinforcement, sound recording and reproduction. Until the invention of solid state devices such as the transistor , all electronic amplification was produced by valve (tube) amplifiers.
A passive 2-way crossover designed to operate at loudspeaker voltages.. Audio crossovers are a type of electronic filter circuitry that splits an audio signal into two or more frequency ranges, so that the signals can be sent to loudspeaker drivers that are designed to operate within different frequency ranges.
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Black Gate is the name of a brand of audio grade electrolytic capacitor made in Japan by Rubycon Corporation. They have acquired a reputation for very high quality for use in the signal path, and power supplies, of audio circuitry. The quality of capacitors may vary considerably depending on their construction and the type of insulating ...
In 1933, Crossley Motors offered a factory fitted car radio for £35. [8] By the late 1930s, push button AM radios were considered a standard feature. In 1946, there were an estimated 9 million AM car radios in use. [9] An FM receiver was offered by Blaupunkt in 1952. In 1953, Becker introduced the AM/FM Becker Mexico with a Variometer tuner ...
Minnesota coach P.J. Fleck was the recipient of this year's mayo bath after his team defeated Virginia Tech in the Duke's Mayo Bowl.
All is fair in the Dick Wolf universe, including character crossovers and actors popping up on more than one series at a time. After getting his start as a writer on Hill Street Blues in 1985 ...
As part of a study in 1990, U.S. Air Force researcher R. L. Talley conducted a test on a Biefeld–Brown-style capacitor to replicate the effect in a vacuum. [11] Despite attempts that increased the driving DC voltage to about 19 kV in vacuum chambers up to 10 −6 torr, Talley observed no thrust in terms of static DC potential applied to the ...