Bluetooth gramophone hack echoes 1920s radio speaker design

hackaday.com

A gramophone was retrofitted with Bluetooth technology, transforming it into a modern speaker without altering its original internal components. This innovative hack mirrors a 1920s commercial product, the Dulce-Tone Radio Speaker, which used a similar concept to amplify radio signals through the gramophone mechanism. The project utilizes a 3W speaker's voice coil and a neodymium magnet attached to the gramophone's needle, driven by a Bluetooth module and powered by a battery.


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Bluetooth gramophone hack echoes 1920s radio speaker design | News Minimalist