For all frequency rangesThe good perforation of 7.5% is an effective noise absorption element especially in the frequency range up to 500 Hz. The option of a T-perforation enables a good flattened noise absorption over the entire frequency range from 125 to 4000 Hz. Therefore adequate for basically all frequency ranges.
The advantages of this type at a glance:
- very good sound absorption
- wide frequency range
- good for ceiling assembly
- subtle groove of 3mm