Room Acoustics Calculator

Room Dimensions

ft
ft
ft
Wall Material
Floor Material
Ceiling Material
Speaker Setup
RT60 Reverberation Time0.97s
Schroeder Frequency37.9 Hz
Room Volume2,700 ft³
Total Absorption136.5 sabins

Room Modes

Axial modes (single dimension) and tangential modes (two dimensions), sorted by frequency. Modes below the Schroeder frequency (37.9 Hz) are most problematic.

#Frequency (Hz)DimensionMode (nx,ny,nz)Type
128.1Length1,0,0axial
237.5Width0,1,0axial
346.9Length x Width1,1,0tangential
456.3Length2,0,0axial
562.5Height0,0,1axial
667.6Length x Width2,1,0tangential
768.5Length x Height1,0,1tangential
872.9Width x Height0,1,1tangential
975.0Width0,2,0axial
1080.1Length x Width1,2,0tangential
1184.4Length3,0,0axial
12112.5Width0,3,0axial
13112.5Length4,0,0axial
14125.0Height0,0,2axial
15140.6Length5,0,0axial
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Speaker Placement

SpeakerFrom Front Wall (ft)From Side Wall (ft)Angle
Left Speaker7.64.4+30°
Right Speaker7.64.4-30°

First Reflection Points

Side Wall (near)4.4 ft
Side Wall (far)10.6 ft
Front Wall7.6 ft
Rear Wall12.4 ft
Floor4.0 ft
Ceiling5.0 ft