The echo-mitigating Frequency range of this panel design :
Echo-mitigating frequency range: 830 – 2860 Hz (design-dependent)
Material : Spruce Size : 120 x 120 cm
Weight, as mounted on wall : 65 kg
Assembled from 4 equal (symmetric) units.
Possible to have the panel mobile, with a stand on wheels.
See exposition, video, from TaloTalo in Vantaa Finland in March 2017.