Caractersticas Principales Micrfono dinmico con cancelacin de ruido DC-1A Almohadilla para la cabeza de espuma suave con diseo acanalado Cable recto de 7.62 metros con enchufe SC-267 Diadema cromada resistente…
Atenuacin por Frecuencia
| Frecuencia (Hz) | Atenuacin (dB) | Desv. Estndar |
|---|---|---|
| 125 | 22.4 | 3.2 |
| 250 | 25.5 | 3.2 |
| 500 | 30.3 | 3.0 |
| 1000 | 33.3 | 2.2 |
| 2000 | 34.1 | 2.5 |
| 3000 | 39.3 | 2.6 |
| 4000 | 39.9 | 2.4 |
| 6000 | 38.7 | 2.5 |
| 8000 | 38.3 | 3.5 |
Clculo del NRR
El NRR (Noise Reduction Rating) es un estndar federal para medir la efectividad de atenuacin de ruido:
Para ambientes con frecuencias bajo 500 Hz, usar medicin C-weighted
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