WoodHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data
Value from the PTB table, not verified
MAkustik MA01 acoustic panel, 6 mm perforation, 11% open area, spacing 0 mm
Type 6/16 – MAkustik MA01 straight-drilled perforation
PTB reference data
Original description
MAkustik MA01 acoustic panel, 6 mm perforation, 11% open area, spacing 0 mm
Material properties
Manufacturer: MAkustik
Thickness: 46 mm
Wall distance: 0 mm
Perforation: 11%
Hole size: 6 mm
Backing: Acoustic non-woven and 30 mm mineral wool
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.45
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.60 | 0.95 | 0.75 | 0.40 | 0.35 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz | 5000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 46 mm · 0 | 0.45 | 0.06 | 0.11 | 0.21 | 0.35 | 0.60 | 0.78 | 0.93 | 1.01 | 0.95 | 0.89 | 0.75 | 0.59 | 0.47 | 0.40 | 0.35 | 0.34 | 0.35 | 0.40 |
Measured values as a table (1 measurement)
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