Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe
Ecophon – Sombra A
Original description
Ecophon Sombra A glass wool acoustic ceiling tile
ISO 354 – reverberation chamber· 4 variants
αp per ISO 11654
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
| Compare | Value | ||
|---|---|---|---|
| 40 mm | tKh = 200 mm (totale Konstruktionshöhe) | αw0.91 | |
| 20 mm | tKh = 200 mm (totale Konstruktionshöhe) | αw0.85 | |
| 40 mm | tKh = 50 mm (totale Konstruktionshöhe) | αw0.79 | |
| 20 mm | tKh = 50 mm (totale Konstruktionshöhe) | αw0.70 |
Weight / density: 3 kg / m²
Dimensions: 600 x 600 mm, 625 x 625 mm, 1200 x 600 mm, 1250 x 625 mm
Application: Deckenplatten with geringem Lichtreflexionsgrad, z.B. for Kinos
