| Louvre Model | IDL-300 | |
| Louvre Depth | 300 mm | |
|
OCTAVE BAND CENTRE FREQUENCY, HZ |
63 | 11.0 |
| 125 | 7.8 | |
| 250 | 8.8 | |
| 500 | 13.6 | |
| 1K | 25.5 | |
| 2K | 21.9 | |
| 4K | 21.1 | |
| 8K | 20.4 | |
the louvre system experts
| Louvre Model | IDL-300 | |
| Louvre Depth | 300 mm | |
|
OCTAVE BAND CENTRE FREQUENCY, HZ |
63 | 11.0 |
| 125 | 7.8 | |
| 250 | 8.8 | |
| 500 | 13.6 | |
| 1K | 25.5 | |
| 2K | 21.9 | |
| 4K | 21.1 | |
| 8K | 20.4 | |
