illbruck baffel rondo melamine foam cylinder – PTB – Physikalisch-Technische Bundesanstalt | Acoustic Index

ISO 354 – reverberation chamber· 3 variants

αw

0.60

αp per ISO 11654

125 Hz

0.10

250 Hz

0.35

500 Hz

0.75

1000 Hz

0.85

2000 Hz

0.75

4000 Hz

0.65

Create a permanent free account — Access frequency bands, variants and export.

Free. No password required.

Compare		Value
	free-hanging, Reihenmittenabstand 400 mm	αw0.60
	free-hanging, Reihenmittenabstand 600 mm	αw0.46
	free-hanging, Reihenmittenabstand 720 mm	αw0.42

Weight / density: 9...13 kg/m^3

Dimensions: d = 150 mm, l = 1200 mm

Application: Die Elemente können vertical or waagerecht an Tragschienensysteme montiert werden

illbruck baffel rondo melamine foam cylinder

Material properties