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 Picture of a dog and a horn attached to gramaphone record player.

Uniformity of Recording rpm Speeds

Picture of animated lp logo disc

 

History of The Vinyl: part 19

If this is your first page of entry please head for the start page and read articles in correct order!

With all the discussion about 78rpm turntables. Does anyone know why the rpm rates for the various record sizes that were chosen? For example; "does 78 rpm represent the best compromise speed at the time using the available technology at the time to achieve reasonable frequency response?"78rpm speed dates back to the early Thomas Alva Edison's invention of the phonograph back in 1877!

Thomas Edison's  Fireside Phonograph Picture

Picture of Thomas Edison Fireside Phonograph

From the Phonograph  a new company developed that was known as the Victor Talking Machine Company that began the revolutionizing of non-standard speeds in their initial stages of early recording of discs! Then altering the variation of speeds to an eventually, organized standard speed! Visitors to this web site have been requesting information on the non-standard RPM of the early sound recording!

 

Recording With Speeds of 100rpm!

In my infinite wisdom I am duly obliged to give an explanation of how it was before a uniformed standardized idea became worldwide throughout the recording industry! During the early days there was no specialized standards relating to rpm speeds for sound recordings and it was notable that there were speeds as low as 16 rpm and disc diameters ranging from 7inches to 16 inches! There were recordings with speeds of 84 rpm and as high as 100 rpm! But even then recording discs was played at speeds varied above the generally led to believed 70 rpm!

 

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Revised: 23 Jul 2011 22:04:11 +0100

Vinyl Records Collector