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- Acoustic measurements – speaker cloth FR
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Description for Your FR speaker cloth. Cut to exact specifications.
Our sound-transparent and flame-retardant speaker cloth FR, custom laser-cut for your project – manufactured precisely to your specifications using laser cutting and ready for immediate use
Would you like to buy made-to-measure flame-retardant, M1-certified speaker cloth or acoustic cloth? With our configurator, you’ll receive our FR speaker cloth as a precise laser-cut piece tailored to your specifications. Simply select your desired colour, choose a basic shape and specify the dimensions, radii and cut-outs. Alternatively, you can upload your own DXF file. Our configurator automatically calculates the material usage as well as the unit price and total price.
The standard dimensions of the production sheet are 1150 mm x 1550 mm.
By the way: Once you’ve created a cut-to-size order and saved it to your basket or placed an order, you can access it at any time and reorder it.
Custom-cut flame-retardant speaker fabric – It’s as simple as this:
- Select colour
- Select a standard shape and specify dimensions, radii and cut-outs
- Alternatively, upload your own DXF file
- Have the price calculated automatically
- Add the product to your wishlist and place your order
- Receive your custom-cut FR speaker cloth
Weschnitzmühle 9
69509 Mörlenbach
Germany
+49 6209 712792
shop@akustikstoff.com
Germany

There are two sound transparency measurement diagrams for every type of acoustic cloth available from Akustikstoff.com:
Diagram 1 shows the measurement in decibels (dB). It indicates how strongly sound is attenuated across different frequency ranges.
Diagram 2 shows the measurement in dBFS (decibels relative to Full Scale). This is a digital reference measurement that represents the acoustic behaviour in relation to the maximum signal level.
Each diagram contains several curves illustrating the effect of fabric tension (stretching):
- without fabric → reference measurement (open transmission)
- fabric at 0% stretch → unstretched condition
- fabric at 3% stretch → typical installation tension
- fabric at 5% stretch → maximum recommended tension
These measurements demonstrate how minimal the influence of the speaker fabric is on sound reproduction. Even at different tension levels, the sound transparency remains virtually unchanged.
