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 Rectangle
pure Wall Element Rectangle
Description
The pure Wall Element Rectangle is a frameless, rectangular wall absorber with rounded corners. It reduces reverberation time in offices, blends discreetly into the room design, and is pinnable.
Technical data
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
Frequency values
Aobj per ISO 354 · octave band (m²)
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| Aobj | 0.17 | 0.60 | 1.57 | 2.40 | 2.53 | 2.37 |
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| Compare | Value | |
|---|---|---|
| 2.000 × 1.000 mm | Aobj2.40m² | |
| 1.000 × 1.000 mm | Aobj1.27m² |
Measured values as a table (2 measurements)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 1.000 × 1.000 mm (Aobj, m²) | – | 0.10 | 0.33 | 0.87 | 1.27 | 1.37 | 1.27 |
| 2.000 × 1.000 mm (Aobj, m²) | – | 0.17 | 0.60 | 1.57 | 2.40 | 2.53 | 2.37 |
Measured values as a table (2 measurements)
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