| Louvre Model | ISL-150 | |
| Louvre Depth | 150 mm | |
|
OCTAVE BAND CENTRE FREQUENCY, HZ OCTAVE BAND CENTRE FREQUENCY, HZ |
63 | 7.8 |
| 125 | 14.7 | |
| 250 | 15.1 | |
| 500 | 15.3 | |
| 1K | 31.4 | |
| 2K | 22.1 | |
| 4K | 19.5 | |
| 8K | 18.0 | |
the louvre system experts
| Louvre Model | ISL-150 | |
| Louvre Depth | 150 mm | |
|
OCTAVE BAND CENTRE FREQUENCY, HZ OCTAVE BAND CENTRE FREQUENCY, HZ |
63 | 7.8 |
| 125 | 14.7 | |
| 250 | 15.1 | |
| 500 | 15.3 | |
| 1K | 31.4 | |
| 2K | 22.1 | |
| 4K | 19.5 | |
| 8K | 18.0 | |
