Global Parameters

Air temperature: 20°C
Air pressure: 101325 Pa

X Axis: Frequency
Range: 10Hz - 100Hz
Scale: linear
Resolution: medium

Angle of incidence: 0°
Porous model: Allard and Champoux (1992)
Helmholtz model: Ingard/Allard

Absorber Parameters

• Absorber 1
19mm Perforated Panel, 40mm/315mm (1.27%)
400mm Air
700mm Porous Absorbent, 6000 Pa.s/m2
Rigid backing
• Absorber 2
Rigid backing
• Absorber 3
Rigid backing
• Absorber 4
Rigid backing