CARACTÉRISTIQUES DE LA CHAÎNE B
___________________________________________________________
| | | |
| Fréquences médianes | | |
| des bandes de | Caractéristiques | Tolérances |
| tiers d’octave | | |
|_______________________|____________________|______________|
| | | |
| Hz | dB | + dB - |
|_______________________|____________________|______________|
| | | |
| 50 | -6 | 6 6 |
| 63 | -3 | 5 5 |
| 80 | -1 | 4 4 |
| 100 | 0 | 3 3 |
| 125 | 0 | 3 3 |
| 160 | 0 | 3 3 |
| 200 | 0 | 3 3 |
| 250 | 0 | 3 3 |
| 315 | 0 | 3 3 |
| 400 | 0 | 3 3 |
| 500 | 0 | 3 3 |
| 630 | 0 | 3 3 |
| 800 | 0 | 3 3 |
| 1 000 | 0 | 3 3 |
| 1 250 | 0 | 3 3 |
| 1 600 | 0 | 3 3 |
| 2 000 | 0 | 3 3 |
| 2 500 | -1 | 3 3 |
| 3 150 | -2 | 3 3 |
| 4 000 | -3 | 3 3 |
|_______________________|____________________|______________|
| | | |
| | Caractéristiques | Tolérances |
| | | | | |
| | | x1) | | x1) |
| |__________|_________|_______|______|
| | | | | |
| 5 000 | -5 | -4 | ±3 | ±3 |
| 6 300 | -8 | -5 | ±3 | ±3 |
| 8 000 | -11 | -6 | ±3 | ±3 |
| 10 000 | -14 | -7 | ±3 | ±3 |
|_______________________|__________|_________|_______|______|