The output from the violin (which has a built in pre-amp) goes through the amp module (see below ~$10 on ebay ). The 18v supply from the Ozitobattery ...

Chladni plates refer to a vibrating plate onto which fine particles like tea, sand or salt are placed. The plate is then vibrated by a speaker directl ...

Just launched my Brisbane violin workshop / side hustle of upcycling violins from facebook to get them playable for the next family. One thing I neede ...