MetalBroadband absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 170
Value from the PTB table, not verified
Hunter Douglas Luxalon 195 B, unperforated aluminum panels
Luxalon 195 B
PTB reference data
Original description
Hunter Douglas Luxalon 195 B, unperforated aluminum panels
Material properties
Manufacturer: Hunter Douglas
Thickness: 0 in aluminum
Wall distance: 7.9 in
Surface: stove-enameled
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 2 variants
NRC
0.65
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.50 | 0.95 | 0.70 | 0.50 | 0.40 | 0.25 |
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| Compare | Value |
|---|---|
| NRC0.65 | |
| NRC0.45 |
NRC: 0.65 (derived from ISO 354 lab data)
Weight / density: Mineralwolldichte 55 kg / m³
Dimensions: Paneelbreite 7.7 in, Schlitzbreite 1 in
Application: Deckenpaneele
Distance: 7.9 in
Measured values as a table (2 measurements)
| Build-up | NRC | 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 | 6300 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mineralwolldichte 55 kg / m³ · 200 mm · Deckenpaneele · ungelocht | 0.65 | 0.20 | 0.53 | 0.77 | 0.99 | 1.01 | 0.89 | 0.84 | 0.72 | 0.61 | 0.57 | 0.50 | 0.40 | 0.44 | 0.40 | 0.33 | 0.31 | 0.22 | 0.21 | 0.18 |
| Mineralwolldichte 55 kg / m³ · 200 mm · Deckenpaneele · ungelocht | 0.45 | 0.35 | 0.55 | 0.78 | 0.75 | 0.80 | 0.67 | 0.55 | 0.52 | 0.35 | 0.32 | 0.30 | 0.25 | 0.24 | 0.19 | 0.12 | 0.13 | 0.12 | 0.12 | 0.12 |
Measured values as a table (2 measurements)
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