Global Parameters

Air temperature: 20°C
Air pressure: 101325 Pa

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

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

Absorber Parameters

• Absorber 1 (Schlitzplattenabsorber)
470mm Slotted Panel, 6.8mm/470mm (1.45%)
100mm Air
Rigid backing
• Absorber 2 (Schlitzplattenabsorber)
125mm Slotted Panel, 1.95mm/125mm (1.56%)
400mm Air
Rigid backing