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 ConceptLine Wall Element NATUR
ConceptLine Wall Element NATUR
Description
The ConceptLine Wall Element NATUR is a natural broadband absorber made from Black Forest spruce and fir wood with a new-wool covering. Hung on the wall like a picture, it absorbs almost completely across the octaves from 250 to 4,000 Hz, precisely the range covered by the German Workplaces Ordinance (Arbeitsstättenverordnung).
Technical data
Measurement data
Sound absorption
ISO 354 – reverberation chamber
Frequency values
Aobj nach ISO 354 (m²)
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| Aobj | 0.25 | 0.66 | 0.78 | 0.95 | 0.99 | 0.92 |
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Method (354): Measured
Measurement date (354): 2019-08-01
Measured values as a table (1 measurement)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 1.250 × 590 mm (Aobj, m²) | – | 0.25 | 0.66 | 0.78 | 0.95 | 0.99 | 0.92 |
Measured values as a table (1 measurement)
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