Manufacturer
Lindner Group
Lindner Group, Arnstorf: metal ceilings, heating and cooling ceilings, raised floors, wall and ceiling linings and the MUTE+ sound absorber line.
Ceiling raft LMD-DS 320
Description
Metal ceiling raft as an individual module suspended freely in the room, with tool-free inspection access. Between the rafts, the structural shell remains accessible for luminaires and services. The absorption results from perforation, acoustic fleece and an optional acoustic insert. Recycled content 24.6 percent.
Technical data
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 14 variants
Frequency values
Aobj per ISO 354 · third-octave band (m²)
| f (Hz) | 125 | 160 | 200 | 250 | 315 | 400 |
|---|---|---|---|---|---|---|
| Aobj | 1.10 | 2.40 | 2.40 | 2.40 | 2.40 | 2.80 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
| Compare | Value | ||
|---|---|---|---|
| Rd 1,6 - 25 | 400 mm | Aobj3.50m² | |
| Rd 1,6 - 25 | 200 mm | Aobj3.10m² | |
| Rd 1,6 - 25 | 400 mm | Aobj2.60m² | |
| Rg 0,8 - 5 | 200 mm | Aobj2.50m² | |
| Rd 1,6 - 25 | 200 mm | Aobj2.40m² | |
| Rg 0,8 - 5 | 200 mm | Aobj2.00m² | |
| Rd 1,6 - 25 | 400 mm | Aobj1.80m² | |
| Rd 1,6 - 25 | 200 mm | Aobj1.70m² | |
| Rd 1,6 - 25 | 200 mm | Aobj1.60m² | |
| Rd 1,6 - 25 | 400 mm | Aobj1.50m² | |
| Rg 0,8 - 5 | 200 mm | Aobj1.40m² | |
| Rg 0,8 - 5 | 200 mm | Aobj1.10m² | |
| Rd 1,6 - 25 | 200 mm | Aobj0.90m² | |
| Rd 1,6 - 25 | 400 mm | Aobj0.70m² |
Test report: H231016P1/1b_rev00
Institute: GiB mbH, Arnstorf
Measurement date: 2023-10-16
Room volume: 208.5 m³
Measured values as a table (14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rd 1,6 - 25 · 400 mm · ceiling raft 1200 x 1200 mm (Aobj, m²) | – | 0.10 | 0.50 | 0.60 | 0.70 | 1.00 | 1.00 | 0.80 | 0.50 | 0.70 | 0.80 | 0.70 | 0.80 | 0.80 | 0.80 | 0.80 | 0.80 | 0.90 | 1.00 |
| Rd 1,6 - 25 · 200 mm · ceiling raft 1200 x 1200 mm (Aobj, m²) | – | – | – | – | 0.90 | 1.10 | 1.40 | 1.70 | 1.80 | 1.90 | 1.70 | 1.60 | 1.80 | 1.80 | 1.70 | 1.80 | 1.80 | 1.80 | 1.80 |
| Rd 1,6 - 25 · 200 mm · ceiling raft 2400 x 1200 mm (Aobj, m²) | – | – | – | 1.60 | 1.70 | 2.00 | 2.50 | 3.30 | 3.40 | 3.50 | 3.30 | 3.10 | 3.50 | 3.60 | 3.30 | 3.30 | 3.20 | 3.20 | 3.20 |
| Rd 1,6 - 25 · 400 mm · ceiling raft 2400 x 1200 mm (Aobj, m²) | – | 0.40 | 0.60 | 1.00 | 1.50 | 1.90 | 2.00 | 1.50 | 1.10 | 1.20 | 1.50 | 1.50 | 1.60 | 1.60 | 1.60 | 1.60 | 1.60 | 1.70 | 1.70 |
| Rg 0,8 - 5 · 200 mm · ceiling raft 1200 x 1200 mm (Aobj, m²) | – | 0.10 | 0.30 | 0.50 | 0.70 | 1.00 | 1.30 | 1.40 | 1.60 | 1.60 | 1.40 | 1.40 | 1.70 | 1.60 | 1.60 | 1.60 | 1.50 | 1.30 | 1.10 |
| Rg 0,8 - 5 · 200 mm · ceiling raft 2400 x 1200 mm (Aobj, m²) | – | 0.30 | 0.60 | 0.90 | 1.30 | 1.90 | 2.30 | 2.60 | 3.10 | 3.00 | 2.70 | 2.50 | 3.00 | 3.10 | 3.10 | 3.00 | 2.90 | 2.80 | 2.80 |
| Rg 0,8 - 5 · 200 mm · ceiling raft 2400 x 1200 mm (Aobj, m²) | – | 0.40 | 0.70 | 0.90 | 1.40 | 1.90 | 2.40 | 2.40 | 2.60 | 2.70 | 2.30 | 2.00 | 2.20 | 2.30 | 2.10 | 2.20 | 2.20 | 2.40 | 2.50 |
| Rg 0,8 - 5 · 200 mm · ceiling raft 1200 x 1200 mm (Aobj, m²) | – | 0.20 | 0.40 | 0.60 | 0.80 | 0.90 | 1.20 | 1.30 | 1.40 | 1.40 | 1.20 | 1.10 | 1.20 | 1.10 | 1.10 | 1.20 | 1.20 | 1.30 | 1.40 |
| Rd 1,6 - 25 · 200 mm · ceiling raft 2400 x 1200 mm (Aobj, m²) | – | – | – | – | – | 1.20 | 1.50 | 2.00 | 2.30 | 2.50 | 2.10 | 1.70 | 1.80 | 2.10 | 1.80 | 1.90 | 1.90 | 1.80 | 1.90 |
| Rd 1,6 - 25 · 200 mm · ceiling raft 1800 x 1200 mm (Aobj, m²) | – | – | – | 1.20 | 1.40 | 1.60 | 1.60 | 2.50 | 2.70 | 2.80 | 2.50 | 2.40 | 2.70 | 2.70 | 2.60 | 2.60 | 2.40 | 2.40 | 2.60 |
| Rd 1,6 - 25 · 400 mm · ceiling raft 1800 x 1200 mm (Aobj, m²) | – | – | 1.10 | 1.70 | 1.80 | 2.00 | 1.80 | 2.20 | 2.00 | 2.60 | 2.70 | 2.60 | 2.80 | 2.70 | 2.80 | 2.80 | 2.80 | 2.80 | 3.10 |
| Rd 1,6 - 25 · 200 mm · ceiling raft 1200 x 1200 mm (Aobj, m²) | – | – | – | – | 0.60 | 0.70 | 0.90 | 1.00 | 1.20 | 1.30 | 1.10 | 0.90 | 1.10 | 1.10 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Rd 1,6 - 25 · 400 mm · ceiling raft 2400 x 1200 mm (Aobj, m²) | – | – | 1.10 | 2.40 | 2.40 | 2.40 | 2.40 | 2.80 | 2.60 | 3.30 | 3.50 | 3.50 | 3.50 | 3.60 | 3.60 | 3.70 | 3.60 | 3.70 | 4.00 |
| Rd 1,6 - 25 · 400 mm · ceiling raft 1200 x 1200 mm (Aobj, m²) | – | – | – | 0.90 | 1.20 | 1.30 | 1.40 | 1.40 | 1.30 | 1.60 | 1.80 | 1.80 | 1.90 | 1.90 | 1.80 | 2.00 | 2.00 | 1.90 | 2.10 |
Measured values as a table (14 measurements)
Access frequency bands, variants and export. Create a permanent free account
Last updated: