WoodHighly absorbent

Data source

PTB reference data

Physikalisch-Technische Bundesanstalt

Source: Herstellerangabe

MAkustik Type 14/2 MA04 continuously slotted acoustic panel

Type 14/2 – MAkustik MA04 continuously slotted

PTB reference data

Original description

MAkustik Type 14/2 MA04 continuously slotted acoustic panel

Material properties

Manufacturer: MAkustik
Thickness: 46 mm
Wall distance: 320 mm
Perforation: 13%
Hole size: 2 mm
Backing: 30 mm mineral wool

Measurement data

Sound absorption

ISO 354 – reverberation chamber

αw
0.73

Frequency values

αp nach ISO 11654

f (Hz)1252505001k2k4k
αp0.800.900.750.800.600.45

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Method (354): Measured

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See also