amplifier hum

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English-Russian dictionary of telecommunications and their abbreviations. . 2004.

Смотреть что такое "amplifier hum" в других словарях:

  • hum — 1. v. & n. v. (hummed, humming) 1 intr. make a low steady continuous sound like that of a bee. 2 tr. (also absol.) sing (a wordless tune) with closed lips. 3 intr. utter a slight inarticulate sound. 4 intr. colloq. be in an active state (really… …   Useful english dictionary

  • hum — hum1 verb (hums, humming, hummed) 1》 make a low, steady continuous sound like that of a bee.     ↘sing with closed lips. 2》 informal be in a state of great activity. 3》 Brit. informal smell unpleasant. noun a low, steady continuous sound. ↘an… …   English new terms dictionary

  • Mains hum — Spectrum of mains hum at 60 Hz Mains hum, electric hum, or power line hum is an audible oscillation of alternating current at the frequency of the mains electricity, which is usually 50 Hz or 60 Hz, depending on the local power… …   Wikipedia

  • Valve audio amplifier — A valve (UK) audio amplifier or vacuum tube (US) audio amplifier is a valve amplifier used for sound recording, reinforcement, or reproduction. Until the invention of solid state devices such as the transistor, all electronic amplification was… …   Wikipedia

  • Operational amplifier — A Signetics μa741 operational amplifier, one of the most successful op amps. An operational amplifier ( op amp ) is a DC coupled high gain electronic voltage amplifier with a differential input and, usually, a single ended output.[1] An op amp… …   Wikipedia

  • Valve audio amplifier - technical — Circuitry and performance Characteristics of valves Valves are very high input impedance (near infinite in most circuits) and high output impedance devices. They are also high voltage / low current devices.While valves themselves are described… …   Wikipedia

  • P-90 — For other uses, see P90 (disambiguation). P 90 Manufacturer Gibson Period 1946–1957, reissues since 1968 …   Wikipedia

  • Pickup (music technology) — For phonograph pickup, see Magnetic cartridge. For other uses, see Pickup disambiguation page. Three magnetic pickups on a Peavey Raptor with the pickup configuration of a fat strat (H S S). The bridge (right) pickup is a humbucker and the neck… …   Wikipedia

  • Pickup (music) — A pickup device acts as a transducer that captures mechanical vibrations (usually from suitably equipped stringed instruments such as the electric guitar, electric bass guitar or electric violin) and converts them to an electrical signal, which… …   Wikipedia

  • Sound reinforcement system — A sound reinforcement system is an arrangement of microphones, electronic signal processors, amplifiers, and loudspeakers that makes live or pre recorded sounds usually music or speech louder, or that distributes the sound to a larger or more… …   Wikipedia

  • Electric guitar — Fender Stratocaster String instrument Classification String instrument (plucked, either by fingerpicking, or with a pick.) …   Wikipedia

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