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RCA- mass produce radios. AM- inferior to 78s (1 janv. 1920 – 31 déc. 1929)

Description:

RCA begins mass producing radios. The AM sound is inferior to 78s. Record companies and radio companies fight over artist control

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19 oct. 2018

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410

Date:

1 janv. 1920

31 déc. 1929

~ 10 years

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