Manufacturer
Selador Acoustics
Selador Acoustics is the acoustics brand of Vöhringer GmbH & Co. KG, based in Trochtelfingen in the Swabian Jura. Founded in 1921, the family-owned company has its roots in woodworking and manufactures coated board materials, furniture components, profiles and lightweight construction elements. Its PET acoustic elements are made in Germany. The range comprises elements for suspended grid ceilings (Celor), ceiling rafts, baffles and cylindrical elements (Cevita), wall tiles (Murea), as well as room dividers (Divera) and desk screens (Divina) with timber frames. They are used in offices, conference rooms, schools and public buildings.
Documents
Cevita Punela Ceiling Raft
Selador Cevita Punela
Description
Flat, round PET ceiling raft in various diameters, for use individually or in groups.
Technical data
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
Frequency values
Aobj per ISO 354 · octave band (m²)
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| Aobj | 0.18 | 0.30 | 0.57 | 0.85 | 0.84 | 0.75 |
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| Gap / | Value |
|---|---|
| 9.6 in | Aobj0.85m² |
Institute: Vöhringer GmbH & Co. KG
Room volume: 2,938 cu ft
Measured values as a table (1 measurement)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 9.6 in (Aobj, m²) | – | 0.18 | 0.30 | 0.57 | 0.85 | 0.84 | 0.75 |
Measured values as a table (1 measurement)
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