Manufacturer
akustikplus GmbH & Co. KG
akustikplus develops and manufactures decorative acoustic solutions from wood-based materials at its site in Stephanskirchen near Rosenheim. The company belongs to the Hamberger Group and combines industrial production with real-wood veneer expertise. The range comprises four product lines: smartline (acoustic panels with an integrated wood-wool absorber), slimline (slender slotted panels mounted over a mineral-wool insulation layer), proline (micro-perforated acoustic boards, also available as a furniture board decorative on both sides) and designline (felt panels with veneered MDF slats). Non-combustible versions on a gypsum-fibre base are available on request.
smartline stripes [4s]
smartline stripes [4s]
Description
The smartline combines a slotted MDF acoustic panel with a factory-integrated wood-wool absorber: panel and absorber reach the substructure as a single element, so a separate insulation layer is not required. A tongue-and-groove joint creates a continuous slat surface on the wall or ceiling; an additional open cavity behind the element shifts the absorption further into the low frequencies. The stripes version breaks up the regular grid: irregularly placed slots produce a livelier, striped joint pattern with the same construction.
Technical data
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.55 | 0.75 | 0.85 | 0.90 | 0.70 |
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| Compare | Value | |
|---|---|---|
| without cavity (direkt) | αw0.80 | |
| 100 mm cavity (offen) | αw0.75 |
Absorber class: B
Test report: B125783
Institute: Müller-BBM Building Solutions GmbH
Measurement date: 2024-10-21
Room volume: 199.6 m³
Object area: 10.64 m²
Dimensions: Overall build-up 37 mm
Absorber: Holzwollabsorber integriert
Measured values as a table (2 measurements)
| Build-up | αw | Absorber class | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| without cavity (direkt) · Holzwollabsorber integriert | 0.80 | B | 0.08 | 0.15 | 0.27 | 0.43 | 0.55 | 0.64 | 0.71 | 0.78 | 0.80 | 0.82 | 0.87 | 0.89 | 0.90 | 0.91 | 0.89 | 0.79 | 0.67 | 0.57 |
| 100 mm cavity (offen) · Holzwollabsorber integriert | 0.75 | C | 0.27 | 0.33 | 0.56 | 0.54 | 0.57 | 0.60 | 0.64 | 0.67 | 0.69 | 0.74 | 0.80 | 0.86 | 0.91 | 0.92 | 0.89 | 0.79 | 0.67 | 0.58 |
Measured values as a table (2 measurements)
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