Why Tula ? It's name of the city in Russia where this beautiful white pearl case has been designed. Tula (russian: Тула) is situated 200 km to the south of Moscow and it is famous at weapon factory and museum, ginger cakes and of course the musical factory of bayans (button accordions) and russian style harmonicas.
Tula 1 Model information
The colleagues from Tula factory has produced this custom accordion case for digital transformation. It does not have acoustic components, but dedicated for pure electronics internals.
First model did not have control panel buttons, as in the image.
Next models and its software improvements allowed to implemented extended Jazz chords support on the left hand, and and control panel with quick presets and switches was added