Manufacturer
Natural Acoustic
Natural Acoustic is a Tyrolean manufacturer of sound absorbers made from natural fibres, based in Mutters near Innsbruck. The main materials are sheep's wool, hemp, flax and wood fibre. The company provides reverberation measurement, planning and installation from a single source. The range includes acoustic panels, ceiling rafts and baffles made from hemp, hemp absorbers with flax fleece, sheep's wool and wood fibre absorbers, and the FRAMY frame absorbers for use as wall absorbers, room dividers or partitions. It also covers bass traps, wool room dividers, acoustic pictures and meeting pods. Areas of use are offices, hotels, restaurants and public buildings.
Documents
Bass Trap
Natural Acoustic Bass Trap
Description
Column-shaped bass trap made of sheep wool and wood fibre for meeting rooms, glazed offices, rehearsal rooms, recording studios and home cinemas.
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 | 0.80 | 1.40 | 1.60 | 1.60 | 1.60 | 1.70 |
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| Compare | Value | |
|---|---|---|
| Free-standing in the room | Aobj1.60m² | |
| 200 mm out of the room corner | Aobj1.20m² |
Institute: Acoustics laboratory of Fuchs Raumingenieure, Nuremberg
Measurement date: 28/08/2024
Room volume: 391.6 m³
Measured values as a table (2 measurements)
| Build-up | αw | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Free-standing in the room (Aobj, m²) | – | 0.60 | 0.90 | 1.00 | 1.30 | 1.40 | 1.60 | 1.60 | 1.60 | 1.50 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1.80 |
| 200 mm out of the room corner (Aobj, m²) | – | 1.20 | 1.50 | 1.20 | 1.40 | 1.30 | 1.20 | 1.40 | 1.40 | 1.30 | 1.10 | 1.30 | 1.30 | 1.20 | 1.30 | 1.30 | 1.30 | 1.30 | 1.30 |
Measured values as a table (2 measurements)
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