Triffusor®
Reflection, Absorption and Diffusion
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Acoustic Data
Measured at IBM Hudson Valley Acoustics Lab
according to ASTM C423
| Hz | Absorptive Triffusor® NRC: 1.0 |
Reflective Triffusor® NRC: 0.2 |
Diffusive Triffusor® NRC: 0.3 |
| 50 | 1.07 | 1.35 | 1.48 |
| 63 | 1.10 | 0.94 | 0.91 |
| 80 | 1.16 | 1.21 | 1.07 |
| 100 | 0.97 | 0.51 | 0.43 |
| 125 | 1.10 | 0.40 | 0.49 |
| 160 | 0.86 | 0.47 | 0.33 |
| 200 | 0.84 | 0.34 | 0.38 |
| 250 | 0.59 | 0.07 | 0.09 |
| 315 | 1.00 | 0.28 | 0.29 |
| 400 | 0.99 | 0.26 | 0.26 |
| 500 | 1.04 | 0.23 | 0.37 |
| 630 | 1.01 | 0.22 | 0.41 |
| 800 | 1.12 | 0.21 | 0.43 |
| 1000 | 1.17 | 0.21 | 0.35 |
| 1250 | 1.09 | 0.19 | 0.34 |
| 1600 | 1.05 | 0.17 | 0.27 |
| 2000 | 1.07 | 0.17 | 0.27 |
| 2500 | 1.04 | 0.16 | 0.24 |
| 3150 | 1.03 | 0.18 | 0.25 |
| 4000 | 1.04 | 0.17 | 0.23 |
| 5000 | 1.00 | 0.16 | 0.20 |
| 6300 | 0.95 | 0.13 | 0.18 |
| 8000 | 0.89 | 0.00 | 0.13 |
| 10000 | 0.76 | 0.00 | 0.00 |