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The 1/4" audio jack goes back to about 1878: https://en.wikipedia.org/wiki/Phone_connector_(audio) https://en.wikipedia.org/wiki/Phone_connector_(audio)
by jefftk 8y ago
The 1/4" audio jack goes back to about 1878: https://en.wikipedia.org/wiki/Phone_connector_(audio) https://en.wikipedia.org/wiki/Phone_connector_(audio)