mains hum

mains hum
maitinimo tinklo fonas statusas T sritis fizika atitikmenys: angl. mains hum; power line hum vok. Netzbrummen, n; Netzton, m rus. фон питания, m; фон сети, m pranc. bruit de secteur, m

Fizikos terminų žodynas : lietuvių, anglų, prancūzų, vokiečių ir rusų kalbomis. – Vilnius : Mokslo ir enciklopedijų leidybos institutas. . 2007.

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  • 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

  • Hum — may refer to: * Hum (sound), a sound produced with closed lips, or by machinery, insects, or other periodic motion * The Hum, a phenomenon involving a persistent and invasive low frequency noise of unknown origin which occurs in some geographic… …   Wikipedia

  • Hum (sound) — A hum is a sound made by singing a wordless tone with the mouth completely closed, forcing the sound to emerge from the nose. To hum is to produce such a sound, most often with a melody. It is difficult to hum with your nose pinched closed for… …   Wikipedia

  • 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 — 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

  • power line hum — maitinimo tinklo fonas statusas T sritis fizika atitikmenys: angl. mains hum; power line hum vok. Netzbrummen, n; Netzton, m rus. фон питания, m; фон сети, m pranc. bruit de secteur, m …   Fizikos terminų žodynas

  • Reiki (apposition des mains) — Reiki Pour les articles homonymes, voir Ère Reiki et Reiki (homonymie). sceau Hanko representant le Kanji Reiki Le …   Wikipédia en Français

  • Utility frequency — The waveform of 230 volt, 50 Hz compared with 110 V, 60 Hz. The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the frequency at which alternating current (ac, also AC) is transmitted from a… …   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

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