Acoustic Blade Louvre ALA305

Heights

NUMBER OF
INTERMEDIATE BLADES

STANDARD LOUVRE
HEIGHT (mm)

2 590
3 740
4 890
5 1040
6 1190
7 1340
8 1490
9 1640
10 1790
11 1940
12 2090
13 2240
14 2390
15 2540

Acoustic performance

FREQUENCY
(HZ)

63

125

250

500

1000

2000

4000

NOISE
REDUCTION (dB)

8.5

11,5

12

14.5

21

23.5

24