RCA Review, Volume I, No. 1, July 1936

Published at 785 × 1200 in Things I learned on Phono EQ curves, Pt. 2
RCA Review, Volume I, No. 1, July 1936

source <cite><a href=httpsworldradiohistorycomARCHIVE RCARCA ReviewRCA Review 1936 Julpdf>RCA Review Volume I No 1 July 1936<a><cite><br>この時期にはディスク録音に関する技術文書は1つも掲載されていません<br>no papers on disc recording technology is here

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