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European shellac records – In the first three decades of the twentieth century European companies including Pathé, Odeon, and Fonotipia made recordings in a variety of sizes, including 21 cm. [citation needed] 9 in (23 cm) Early American shellac records – Prior to 1910, nine-inch brown shellac records were issued under the Zon-O-Phone label.
The lateral-cut NAB curve was remarkably similar to the NBC Orthacoustic curve, which evolved from practices within the National Broadcasting Company since the mid-1930s. Empirically, and not by any formula, the bass end of the audio spectrum below 100 Hz could be boosted somewhat to override system hum and turntable rumble noises.
Three vinyl records of different formats, from left to right: a 12 inch LP, a 10 inch LP, a 7 inch single. A phonograph record (also known as a gramophone record, especially in British English) or a vinyl record (for later varieties only) is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove.
The grooves are engraved into the master disc on a mastering lathe.Early versions of these master discs were soft wax, and later a harder lacquer was used.. The mastering process was originally something of an art as the operator had to manually allow for the changes in sound which affected how wide the space for the groove needed to be on each rotation.
HGTV home renovation stars Jonathan and Drew Scott – best known as the Property Brothers – are fearful that Trump’s proposed tariffs could send construction costs soaring. The brothers ...
As you can see from the chart below, through Dec. 17, the stock is up a whopping 125% in less than two months. ... With Tesla already trading at a market cap of $1.5 trillion and a P/E ratio of ...
Acetates of 12", 10", 7" sizes. An acetate disc (also known as a lacquer, test acetate, dubplate, or transcription disc) is a type of phonograph record generally used from the 1930s to the late 1950s for recording and broadcast purposes.
Christina Haack is sharing the aftermath of a fight with Josh Hall on The Flip Off after he claimed it was "manufactured drama." The Christina on the Coast star, 41, took to her Instagram Stories ...
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