Manufacturer
raumton
raumton GmbH from Berlin plans, manufactures and installs sound absorbers for rooms in which people speak: open-plan and single offices, conference and presentation rooms, play and learning rooms as well as meeting and dining areas. The range runs from ceiling and wall absorbers through baffles, stretch ceilings and cubes to free-standing partition and floor absorbers. The absorber core is melamine resin foam or PET acoustic fleece, both free of artificial and natural mineral fibres, halogens and CFCs. For the fabric covering, more than 300 colours and textures are available in polyester, pure new wool, blended fabrics or non-combustible glass fabric. All products are made to bespoke dimensions.
raumton Acoustic picture
Acoustic picture
Description
The acoustic picture carries a freely selectable motif, printed in high resolution onto an acoustically transparent display fabric. Height and width can be adapted to the motif. raumton advises on resolution and print formats and assists with cropping and conversion. Because of its low dead weight, mounting on any wall surface is straightforward.
Technical data
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 0.95 | 1.00 | 0.85 | 0.80 | 0.75 |
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Method (354): Measured
Mounting type: Type A – Direct on rigid wall (ASTM E795: A mounting, direct)
Room volume: 7,049 cu ft
Object area: 39 sq ft
Measurement date (354): 2024-05-28
Test report: B175366, Protokoll 20240528-6
NRC: 0.90 (derived from ISO 354 lab data)
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50 mm · Mounted directly on the wall · bedruckter Displaystoff | 0.90 | 0.14 | 0.24 | 0.46 | 0.75 | 0.96 | 1.12 | 1.05 | 0.98 | 0.91 | 0.89 | 0.86 | 0.83 | 0.80 | 0.78 | 0.76 | 0.75 | 0.76 | 0.73 |
Measured values as a table (1 measurement)
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