![]() Today, an “album” usually refers to a collection of songs recorded together and released as a single entity, usually one one disc, but sometimes released as multiple-disc sets. When the long-play album, containing a number of songs on a single disc, replaced 78 RPM albums in the early 1950s, the name remained. You can read more about acetate records here.Īlbum – Originally a collection of 78 RPM, 10″ singles, collected in a binder. An acetate is a lacquer-covered metal plate upon which the music is encoded via a lathe. An example of an acetate, or lacquer.Īcetate – Also known as a lacquer, an acetate is the first step in the record manufacturing process. These records normally play at 45 RPM, though a few have been released over the years that played at 33 1/3 RPM. Records pressed at this speed have had no commercial application for the past half century.ħ” – Size of singles (usually one song per side) since 1949. Occasionally 78 RPM speeds have been used for certain promotional singles, usually as a marketing gimmick. This format was rendered obsolete circa 1960 by the 45 RPM, 7″ single. ![]() A single disc album at 33 1/3 will usually take up two discs when pressed at 45 RPM.ħ8 RPM – Speed used from the 1910s through the late 1950s for 10″ singles. Since the mid-1990s, a few record labels have reissued older recordings that were originally pressed at 33 1/3 RPM at the 45 RPM speed for improved sound quality, though this requires more discs. This speed allows for longer playback time than the earlier 78 RPM pressing, and records at this speed usually offer up to 20 minutes of program material per side (though we’ve seen a few that played as long as 35 minutes, with reduced volume and sound quality.)Ĭlick here to visit our rare records store.Ĥ5 RPM – The speed used since 1949 for most 7″ records, and occasionally for 12″ singles. 200 gram records are not seen as often as 180 gram pressings, and there’s considerable debate in the audio community regarding the benefits of the additional 10% in weight, including the question of whether the added weight provides any benefits at all.ģ3 1/3 RPM – The speed used for nearly all long-play (LP) record albums from 1948 to the present day. The heavier weight of these modern pressings is thought to provide better sound and less likelihood of warping.Ģ00 gram – Weight of some modern (post-1990) record pressings, used by some manufacturers of “audiophile” records. Most 12″ records pressed in earlier eras weighed between 125-150 grams. Most of the people who own record players that are capable of playing 16 2/3 RPM records have never actually seen one.ġ80 gram – Weight of some modern era (post-1990) record pressings, usually those titles pressed as “audiophile” records. The slow playback speed allows for extra-long playing time, though the sound quality suffers as a result. While this sizes is most commonly used for modern record albums (post-1955), this size record is also used occasionally for singles and extended-play (EP) recordings.ġ6 2/3 RPM – A playback speed for certain record albums, most commonly used for talking books for the blind. This size was used for both 78 RPM singles, made from the 1910s through the late 1950s, as well as long-play albums during the first years of album production (roughly 1948-1955.)ġ2” – Twelve inch record. To help, we’ve compiled this vinyl record collecting glossary of terms that you may find it helpful to know:ġ0” – Ten inch record. If you’re a record collector, and you’re new to the hobby, you may encounter a number of terms in your searches for vinyl with which you’re unfamiliar.
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