Aalto University School of electrical engineering, department of signal processing and acoustics is conducting acoustics research in three fully anechoic chambers at the Aalto University Laboratory of acoustics and audio signal processing. We seek a solution for replacing the old anechoic wedges and materials in all 3 anechoic chambers. For further information, see separate documents (as attachment files at the Hanki/Tarjouspalvelu Service at
https://www.hanki-palvelu.fi/en/).