The parts:

Old wood,

Fine loudspeaker drivers,

Sonic Emotion Absolute 3D Sound,

Raumfeld audio streaming .

The history of the |Balken|:

Out of 100 years old wooden plates from a old farmers house.

Cutting and adding MDF as a solid construction.

Clean the wood and cut the sides.

Glue it together.

Assemble it.

Acoustic measurements.

Sound tuning and packing the electronics into the box.