In the late 1920s (1928-1930) several short-lived brands of "orthophonic-type" gramophones entered the market including the "Microphonic".

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Classified ad in The Globe newspaper, Toronto, August 17, 1928, p. 16.



Classified ad in the Toronto Daily Star newspaper, Toronto, November 24, 1928, p. 33.



TDS, February 1, 1929 p. 39.



TDS, March 7, 1929 p. 36.



TDS, May 30, 1929 p. 2. Display ad by R.S. Williams Co. Ltd. offering two used Microphonic phonographs in mahogany, an upright and a console model.



TDS, November 28, 1929 p. 49.



TDS, January 11, 1930 p. 30.



The Globe, February 3, 1930 p. 18.



The Globe, August 21, 1931 p. 14.

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A Microphonic Premier for sale in Ontario on Kijiji in 2023 submitted by Norman Brooks.

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Another console-style Microphonic Premier phonograph for sale in Guelph, Ontario in 2024.