Instructions

2
Hz 63 125 250 500 1K 2K 4K 8K
K
ok
4 -3 -5 0 -5 -9 -23 -32
Hz
Mean frequency Hz
63 125 250 500 1K 2K 4K 8K
17 11 3 5 5 4 5 13
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lindab | we simplify construction
Perforated wall diffuser LCR2
Lindab reserves the right to make changes without prior notice
2021-03-12
Technical data
All measurements include the class H-14 filter manufac-
tured by Camfil Farr.
Capacity
Volume flow q
v
[l/s] and [m
3
/h], total pressure drop Δp
t
[Pa]
and sound effect level L
WA
[dB(A)] can be seen in the diagram
below.
Frequency-related sound effect level
The sound effect level in the frequency band is defined as
L
wok
= L
WA
+ K
ok
. The values for K
ok
are specified in charts
beneath the diagram below.
Dispersal diagram–viewed from the front
Dispersal diagram–viewed from above
Dispersal diagram–viewed from the side
Parts
Filter clip
Sound attenuation
The diffuser’s sound attenuation function from duct to room,
including end reflection.