DIN connectors are not expensive, nor fragile (too young to have used cassette players with them?). They are however big. Which is why the industry started usin

DIN connectors are not expensive, nor fragile (too young to have used cassette players with them?). They are however big. Which is why the industry started using mini-jack connectors. They are now officially sanctioned: https://www.musicradar.com/news/mini-jack-connectors-are-now-an-official-midi-standard https://www.musicradar.com/news/mini-jack-connectors-are-now...