Kumfa aluminum ta cell-cell tana nufin kumfa aluminum wanda pores na ciki suna haɗuwa, tare da girman pore na 0.5-1.0 mm, porosity na 70-90%, kuma ta hanyar-porosity na 55-65%. kyakkyawan aikin ɗaukar sauti da juriya na wuta saboda halayen ƙarfe na kansa da tsarin porous. Ƙididdigar rage yawan amo NRC> 0.75, ƙimar wuta shine A1, kuma za'a iya daidaita kumfa na aluminum ta hanyar rami tare da juriya na kwarara daban-daban da daban-daban ta hanyar ramuka (ta hanyar-rami rabo). A ƙarƙashin yanayi na al'ada, tsarin ɗaukar sauti na kumfa aluminum ya dogara ne akan ɗaukar sauti mai ɗanɗano da ɗaukar sautin zafi. Tasirin ɗaukar sauti a cikin wannan yanayin ba a bayyane yake ba.Ta hanyar-cell aluminum kumfa da muke samarwa ya sa tsarin kumfa na aluminum ya fi dacewa da tsarin sauti. Kananan tashoshi da sel da aka kafa a ciki suna samar da ɗimbin ɓangarorin giciye da yawa da kuma ɗimbin ɗimbin ƙoƙon resonant na Helmholtz na gefe don cimma ɗaukar sauti. Musamman, tasirin ɗaukar sauti don matsakaici da ƙananan mitoci a fili ya fi na kayan gargajiya.