WoodLow-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Odeon (Index 800)
16-22 mm wood facing (tongue-and-groove or rabbeted) on frame over 50 mm cavity filled with mineral wool
PTB reference data
Original description
16-22 mm wood facing (tongue-and-groove or rabbeted) on frame over 50 mm cavity filled with mineral wool
Material properties
Thickness: 16-22 mm
Wall distance: 50 mm
Backing: mineral wool
Surface: wood facing (tongue-and-groove or rabbeted)
Mounting: on frame
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.12
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.05 | 0.05 | 0.05 | 0.05 | 0.00 |
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Method (354): Measured