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The tube is popular in hi-fi vacuum tube audio as a low-noise line amplifier, driver (especially for tone stacks), and phase-inverter in vacuum tube push–pull amplifier circuits. It was widely used, in special-quality versions such as ECC82 and 5814A, in pre-semiconductor digital computer circuitry.
Old production General Electric "narrow plate" 12AT7 (left) and current production "long plate" Electro-Harmonix 12AT7 (right) 12AT7 (also known in Europe by the Mullard–Philips tube designation of ECC81) is a miniature nine-pin medium-gain (60) dual-triode vacuum tube popular in guitar amplifiers.
This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes.Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics.
Zoom H2n sound recording test. The device can record in MS (mid-side), XY, MS+XY (two-channel) and MS+XY (four-channel) modes. If the 2.00 firmware update has been applied, it can also record in the 360-degree ambisonic format, along a horizontal plane.
PS Audio is an American company specializing in high-fidelity audio components (also known as high-end audio) equipment for audiophiles and the sound recording industry. It currently produces audio amplifiers , preamplifiers , power related products, digital-to-analog converters , streaming audio , and loudspeakers .
Hi-Fi News & Record Review is a British monthly magazine, published by AV Tech Media Ltd, [1] which reviews audiophile-oriented sound-reproduction and recording equipment, and includes information on new products and developments in audio. It is the oldest hi-fi title in the world, having been in publication since 1956.
An operating SB-256 tube with all bits set to “1”. The tube is in the quiescent, "maintenance" state, with read plate active. Also shown, a 12AU7 tube for size comparison. In this respect, the Selectron works in the opposite sense of the Williams tube.
Electronics portal; This article is part of WikiProject Electronics, an attempt to provide a standard approach to writing articles about electronics on Wikipedia. If you would like to participate, you can choose to edit the article attached to this page, or visit the project page, where you can join the project and see a list of open tasks.