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 ProTex Cube 400
ProTex Cube 400
Description
The ProTex Cube 400 is a cube-shaped sound absorber for kindergartens that doubles as a robust toy. Its flame-retardant filling and machine-washable fabric cover make it durable, and integrated tabs allow it to be hung from the ceiling or wall.
Technical data
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
Frequency values
Aobj nach ISO 354 (m²)
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| Aobj | 0.53 | 0.93 | 1.03 | 1.03 | 0.93 | 0.87 |
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Method (354): Measured
Measurement date (354): 2015-11-10
Measured values as a table (1 measurement)
| Build-up | NRC | 100 Hz | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz | 5000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 400 × 400 × 400 mm (Aobj, m²) | – | 0.40 | 0.50 | 0.70 | 0.90 | 0.90 | 1.00 | 1.00 | 1.00 | 1.10 | 1.10 | 1.00 | 1.00 | 1.00 | 0.90 | 0.90 | 0.90 | 0.90 | 0.80 |
Measured values as a table (1 measurement)
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