Blues! 3 nylon string, tuning DDG, bass guitar tuning machines. Microphones: double sensor under the bridge and double sensor for the finger percussion. You can see the latest models below, with 2 microphone outputs (strings and percussion), the soundboard is made of curly chestnut wood, the neck is made of chequer-tree, the fingerboard is made of walnut wood.
You can see the second latest model below, with a few adjustments or developments compared to the very first model that was created: height and spacing of the strings closer to the traditional guembri, percussion fingerboards made of walnut wood on each side of the fingerboard.
Here’s the very first model below, with a body made of cedar, a neck made of walnut wood.