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A valve RF amplifier (UK and Aus.) or tube amplifier is a device for electrically amplifying the power of an electrical radio frequency signal. Low to medium power valve amplifiers for frequencies below the microwaves were largely replaced by solid state amplifiers during the 1960s and 1970s, initially for receivers and low power stages of ...
Specimen's line of tube amplifiers use 1940s-era tube circuitry, yet is compatible with an iPod or computer. The product line includes a single-ended stereo amp, 300B stereo tube amp, single-ended monoblock, a single-ended 2A3 tube amp, a pentode-driven 2A3 amp, and the Octoblock (an eight channel single ended power amp created for the ...
Dynaco was an American hi-fi audio system manufacturer popular in the 1960s and 1970s for its wide range of affordable, yet high quality audio components. [1] Founded by David Hafler and Ed Laurent in Philadelphia, Pennsylvania in 1955, it's best known product was the ST-70 tube stereo amplifier.
A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a signal. Low to medium power valve amplifiers for frequencies below the microwaves were largely replaced by solid state amplifiers in the 1960s and 1970s.
The G-Dec won high praise at the time but its effects, based on three-decade-old MIDI technology, were rapidly outdated. An updated G-DEC 3 was released in 2010, followed by the Mustang in 2012. 2014 saw the traditionally-styled Champion amplifier (not to be confused with the classic and reissue Champion/Champ tube amplifiers) released.
Fisher tube equipment is considered quite collectible today. Fisher's first receiver was the model 500, a mono AM/FM receiver using two EL37 output tubes. It had a brass-plated face panel and an optional mahogany or "blonde" wooden case. This early mono receiver should not be confused with the later stereo tube receiver models, the 500B and ...