I replaced the speaker in the earpiece with a modern 40mm 3W driver. The original speaker may have worked but I wanted modern audio quality.
Finished Earpiece
A project log for SmartPhone - Antique Hand Crank Telephone
Bringing an antique wooden hand crank telephone from the 1890's into the app age
I replaced the speaker in the earpiece with a modern 40mm 3W driver. The original speaker may have worked but I wanted modern audio quality.
Finished Earpiece
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