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Old 12th Sep 2019, 4:42 pm   #5
Join Date: Mar 2006
Location: Co. Durham, UK.
Posts: 981
Default Re: Question on Recording speeds

78 faded out when vinyl came in.
The wide groove and high speed necessary to drive the acoustic reproducers became superfluous when electrical amplification became the norm. The new vinyl records only needed to power a tiny moving-coil or crystal pick-up, so great saving on materials became possible.
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