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Kas nad lahkusid Moskva rongiga? 1. detsember 1924. 69376861  Osta Kas nad lahkusid Moskva rongiga? 1. detsember 1924. 69376861 Ostahttps://cache.osta.ee/iv2/auctions/1_20_28056127.jpg

NAD Electronics antique phonograph

The phonograph is a tool created in 1877 for the mechanical reproduction and recording of audio. In its later forms additionally it is called a gramophone (as a trademark since 1887, as a generic name since c. 1900). The audio vibration waveforms are documented as related physical deviations of a spiral groove engraved, etched, incised, or impressed in to the surface of an rotating disk or cylinder, called a "record". To recreate the audio, the surface is in the same way rotated while a playback stylus traces the groove and is also therefore vibrated because of it, very reproducing the saved sound faintly. In early acoustic phonographs, the stylus vibrated a diaphragm which produced sound waves which were coupled to the open air through a flaring horn, or right to the listener's ears through stethoscope-type earphones. In later electric phonographs (also called record players (since 1940s) or, most recently, turntables), the motions of the stylus are changed into an analogous electrical signal by way of a transducer, then changed back into sound by the loudspeaker.

The phonograph was developed in 1877 by Thomas Edison. While other inventors experienced produced devices that could record does sound, Edison's phonograph was the first to be able to reproduce the documented sound. His phonograph actually recorded sound onto a tinfoil sheet twisted around a revolving cylinder. A stylus responding to sound vibrations produced an along or hill-and-dale groove in the foil. Alexander Graham Bell's Volta Laboratory made several improvements in the 1880s, including the use of wax-coated cardboard cylinders, and a cutting stylus that moved from side to side in a "zig zag" groove surrounding the record.

Inside the 1890s, Emile Berliner initiated the transition from phonograph cylinders to toned discs with a spiral groove jogging from the periphery to close to the center. Later advancements through the years included changes to the turntable and its drive system, the needle or stylus, and the equalization and audio systems.

The disc phonograph record was the prominent audio tracking format throughout most of the 20th hundred years. In the mid-1980s on, phonograph use on a standard record player declined as a result of rise of the cassette tape sharply, compact disc and other digital tracking formats. Files are a popular format for a few audiophiles and DJs still. Vinyl records are still employed by some DJs and musicians in their concert performances. Musicians continue steadily to release their recordings on vinyl records. The initial recordings of music artists are sometimes re-issued on vinyl.

Usage of terminology is not standard over the English-speaking world (see below). In newer usage, the playback device is named a "turntable", "record player", or "record changer". When found in conjunction with a mixing machine within a DJ set up, turntables are often called "decks".

The term phonograph ("sound writing") was derived from the Greek words ???? (phon?, "sound" or "voice") and ????? (graph?, "writing"). The similar related conditions gramophone (from the Greek ?????? gramma "letter" and ???? ph?n? "tone of voice") and graphophone have similar main meanings. The origins were already familiar from existing 19th-century words such as photo ("light writing"), telegraph ("distant writing"), and telephone ("distant sound"). The new term may have been influenced by the existing words phonographic and phonography, which referred to something of phonetic shorthand; in 1852 THE BRAND NEW York Times taken an advert for "Professor Webster's phonographic class", and in 1859 the brand new York State Professors Connection tabled a action to "hire a phonographic recorder" to record its meetings.

Arguably, any device used to track record sound or reproduce documented sound could be called a type of "phonograph", however in common practice the portrayed word has come to mean historic solutions of sound saving, including audio-frequency modulations of a physical groove or trace.

In the late 19th and early on 20th centuries, "Phonograph", "Gramophone", "Graphophone", "Zonophone" and so on were still brands specific to various designers of sometimes completely different (i.e. cylinder and disk) machines; so sizeable use was manufactured from the universal term "talking machine", especially in print. "Talking machine" had earlier been used to refer to complicated devices which produced a crude imitation of speech, by simulating the workings of the vocal cords, tongue, and lips - a potential way to obtain confusion both and today then.

In British British, "gramophone" may make reference to any sound-reproducing machine using disk records, that have been launched and popularized in the united kingdom by the Gramophone Company. Originally, "gramophone" was a proprietary trademark of this company and any use of the name by competing makers of disc records was vigorously prosecuted in the courts, but in 1910 an English court decision decreed it had become a generic term; it's been so used in the UK and most Commonwealth countries since. The word "phonograph" was usually restricted to machines which used cylinder records.

"Gramophone" generally described a wind-up machine. After the introduction of the softer vinyl fabric data, 33 1/3-rpm LPs (long-playing files) and 45-rpm "single" or two-song information, and EPs (extended-play recordings), the normal name became "record player" or "turntable". Often the home record player was part of something that included a radio (radiogram) and, later, might play audiotape cassettes also. From about 1960, such something began to certainly be a "hi-fi" (high-fidelity, monophonic) or a "stereo" (most systems being stereophonic by the mid-1960s).

In Australian English, "record player" was the word; "turntable" was a far more specialized term; "gramophone" was restricted to the old mechanised (i.e., wind-up) players; and "phonograph" was used as with British English.

Fet Ic Am Fm Stereo Receiver Record Player 8 Track Sd 3080 photo

 Fet Ic Am Fm Stereo Receiver Record Player 8 Track Sd 3080 photohttp://digichar.com/imgs/a/d/v/j/h/panasonic_fet_ic_am_fm_stereo_receiver_record_player_8_track_sd_3080_1_thumb2_lgw.jpg

NAD C515BEE CD speler HiFi Klubben €349, Renovation

NAD C515BEE CD speler  HiFi Klubben €349,  Renovation https://s-media-cache-ak0.pinimg.com/236x/06/f8/97/06f897c9fd65021d113b8fb8c30bf4e6.jpg

Audio Research VT100 power amplifier schematic one channel

Audio Research VT100 power amplifier schematic one channelhttp://www.drtube.com/schematics/ar/vt100.gif

OIP.M29d373eefd91b14d6205418e9bfb66f5o0

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