Manufacturer
SONATECH GmbH + Co. KG
SONATECH is a southern German specialist for room acoustics and noise control, based in Ungerhausen (Bavaria). The company supplies acoustic solutions from a single source: consultancy, sound measurement, product and installation. The range spans the textile pure and pure+ ceiling and wall elements, the printable ConceptLine elements and QuietLine ceiling sails, Basotect and PUR foam absorbers, SkyLine acoustic columns and industrial solutions such as Cube, Baffel and MultiLane. The absorption values come from laboratory measurements based on the approach of DIN EN ISO 354. The materials are flame-retardant to DIN 4102 B1; for the Basotect foams, building-authority fire-protection test certificates are available.
Documents
SONATECH pure Wall Element Circle
pure Wall Element Circle
Description
The pure Wall Element Circle is a frameless, round wall absorber that lowers the reverberation time in offices and fits into the room as a design element. The surface is pinnable.
Technical data
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 2 variants
Frequency values
Aobj per ISO 354 · octave band (m²)
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| Aobj | 0.10 | 0.30 | 0.67 | 0.97 | 0.97 | 0.87 |
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| Compare | Value | |
|---|---|---|
| Ø 0 in | Aobj0.97m² | |
| Ø 20 in | Aobj0.32m² |
Measured values as a table (2 measurements)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| Ø 500 mm (Aobj, m²) | – | 0.02 | 0.07 | 0.19 | 0.32 | 0.33 | 0.28 |
| Ø 1.000 mm (Aobj, m²) | – | 0.10 | 0.30 | 0.67 | 0.97 | 0.97 | 0.87 |
Measured values as a table (2 measurements)
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