

Transform your 44.4 mm circular impedance and transmission tube to a square one! This square sample holder add-on allows to measure acoustics indicators of square specimen like metamaterials based on 2 or 4 microphones methods.
Transform your 44.4 mm circular impedance and transmission tube to a square one! This square sample holder add-on allows to measure acoustics indicators of square specimen like metamaterials based on 2 or 4 microphones methods.