Bass TrapsWall (corner) · Ceiling (corner)

Corner Bass Trap Acoustic Properties \u2014 Absorption Coefficients (125Hz\u20134kHz)

Triangular or cylindrical absorbers designed for room corners where low-frequency standing waves accumulate. Typically dense mineral wool (48-96 kg/m³) or membrane absorber construction. Essential for recording studios and critical listening rooms.

NRC
0.70
αw
0.65
Applications
Wall (corner), Ceiling (corner)
NRC (Noise Reduction Coefficient)
NRC is the arithmetic average of sound absorption coefficients at 250, 500, 1000, and 2000 Hz, rounded to the nearest 0.05. Corner Bass Trap has an NRC of 0.70.
Reference: ASTM C423 / ISO 354:2003

Absorption Coefficients by Octave Band

Frequency (Hz)125250500100020004000
α (absorption)0.500.700.750.800.750.65
125 Hz
0.50
250 Hz
0.70
500 Hz
0.75
1000 Hz
0.80
2000 Hz
0.75
4000 Hz
0.65

RT60 Impact

Installing 4 corner bass traps in a 100m³ room reduces RT60 at 125Hz by approximately 0.25-0.40s

Manufacturers & Brands

AuralexPrimacousticGIK Acoustics

Frequently Asked Questions

What is the NRC of Corner Bass Trap?

Corner Bass Trap has an NRC (Noise Reduction Coefficient) of 0.70, calculated as the arithmetic mean of absorption coefficients at 250, 500, 1000, and 2000 Hz per ASTM C423.

Where is Corner Bass Trap typically used?

Corner Bass Trap is typically used as a wall (corner) and ceiling (corner) treatment. Triangular or cylindrical absorbers designed for room corners where low-frequency standing waves accumulate.

How much does Corner Bass Trap reduce RT60?

Installing 4 corner bass traps in a 100m³ room reduces RT60 at 125Hz by approximately 0.25-0.40s

Use Corner Bass Trap in Your Room Simulation

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