2 modes74.4–76.1 Hz
Tangential
Free room tool
Room mode calculator
Enter the inside dimensions of a rectangular room. AcouField calculates its idealized low-frequency resonances and shows where modes gather in the 20–200 Hz range.
Room dimensions
Use clear interior measurements in metres.
Model
Rigid rectangular room · speed of sound 343 m/s · idealized pressure modes.
Width fundamental
41.8 Hz
Length fundamental
31.8 Hz
Height fundamental
67.3 Hz
Transitive sets
14
Mode distribution
2060100140180200
Axial Tangential Oblique
Calculated modes
Sorted by frequency · indices are (x, y, z).
ModeFrequency
Axial Y (0,1,0)
Axial
Axial X (1,0,0)
Axial
Tangential (1,1,0)
Tangential
Axial Y (0,2,0)
Axial
Axial Z (0,0,1)
Axial
Tangential (0,1,1)
Tangential
Tangential (1,2,0)
Tangential
Tangential (1,0,1)
Tangential
Axial X (2,0,0)
Axial
Oblique (1,1,1)
Oblique
Tangential (2,1,0)
Tangential
Tangential (0,2,1)
Tangential
Axial Y (0,3,0)
Axial
Oblique (1,2,1)
Oblique
Tangential (1,3,0)
Tangential
Tangential (2,2,0)
Tangential
Tangential (2,0,1)
Tangential
Oblique (2,1,1)
Oblique
Tangential (0,3,1)
Tangential
Oblique (1,3,1)
Oblique
Oblique (2,2,1)
Oblique
Axial X (3,0,0)
Axial
Tangential (2,3,0)
Tangential
Axial Y (0,4,0)
Axial
Tangential (3,1,0)
Tangential
Tangential (1,4,0)
Tangential
Axial Z (0,0,2)
Axial
Tangential (0,1,2)
Tangential
Tangential (3,2,0)
Tangential
Tangential (1,0,2)
Tangential
Tangential (3,0,1)
Tangential
Oblique (2,3,1)
Oblique
Tangential (0,4,1)
Tangential
Oblique (1,1,2)
Oblique
Oblique (3,1,1)
Oblique
Tangential (0,2,2)
Tangential
Oblique (1,4,1)
Oblique
Tangential (2,4,0)
Tangential
Oblique (1,2,2)
Oblique
Oblique (3,2,1)
Oblique
Tangential (3,3,0)
Tangential
Tangential (2,0,2)
Tangential
Axial Y (0,5,0)
Axial
Oblique (2,1,2)
Oblique
Tangential (1,5,0)
Tangential
Tangential (0,3,2)
Tangential
Oblique (2,4,1)
Oblique
Axial X (4,0,0)
Axial
Oblique (1,3,2)
Oblique
Tangential (4,1,0)
Tangential
Oblique (2,2,2)
Oblique
Oblique (3,3,1)
Oblique
Tangential (0,5,1)
Tangential
Oblique (1,5,1)
Oblique
Tangential (3,4,0)
Tangential
Tangential (4,2,0)
Tangential
Tangential (2,5,0)
Tangential
Tangential (4,0,1)
Tangential
Oblique (4,1,1)
Oblique
Tangential (3,0,2)
Tangential
Oblique (2,3,2)
Oblique
Tangential (0,4,2)
Tangential
Oblique (3,1,2)
Oblique
Oblique (1,4,2)
Oblique
Axial Y (0,6,0)
Axial
Oblique (3,4,1)
Oblique
Oblique (4,2,1)
Oblique
Oblique (2,5,1)
Oblique
Tangential (4,3,0)
Tangential
Oblique (3,2,2)
Oblique
Tangential (1,6,0)
Tangential
Transitive mode sets
Groups where each adjacent mode is within 2 Hz.
2 modes83.7–85.3 Hz
Axial + Oblique
2 modes104.1–105.0 Hz
Tangential
5 modes123.9–127.0 Hz
Oblique + Axial + Tangential
2 modes133.7–134.5 Hz
Tangential + Axial
7 modes140.6–145.9 Hz
Tangential + Oblique
2 modes148.8–149.7 Hz
Tangential + Oblique
5 modes154.5–158.8 Hz
Oblique + Tangential + Axial
4 modes164.2–167.3 Hz
Tangential + Oblique + Axial
5 modes170.1–172.5 Hz
Oblique + Tangential
5 modes177.5–180.3 Hz
Oblique + Tangential
5 modes183.1–186.7 Hz
Oblique + Tangential
6 modes189.7–192.5 Hz
Oblique + Axial + Tangential
2 modes194.6–195.1 Hz
Oblique + Tangential
Next question
Where do these modes matter in your room?
Open the same dimensions in AcouField to model the listening position, speaker placement and local interaction with these modes.
See these modes in my room