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 Dreiklang
pure Dreiklang
Description
The pure Dreiklang is a pendulum absorber suspended from the ceiling for visual and acoustic zoning. It reduces the transmission of disruptive speech noise and is used wherever no absorbing surface remains free on the ceiling and walls, without taking away the depth of the room.
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 | 0.50 | 1.37 | 2.70 | 3.83 | 4.43 | 4.63 |
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Method (354): Measured
Measured values as a table (1 measurement)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 1.800 × 1.500 mm (Aobj, m²) | – | 0.50 | 1.37 | 2.70 | 3.83 | 4.43 | 4.63 |
Measured values as a table (1 measurement)
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