HIGH STATIC | 61
Ducted High Static
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DUCTED HIGH STATIC
Acoustic Data
Sound Power Data for M2 Units
Model
Rating
Fan
speed E.S.P RPM CFM
Sound power level, Lw (dB one reference picowatt)
63Hz 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
ARNU423M2A4
RETURN OPENING
H
0.16
1170 1328
43
56
53
56
56
52
47
43
M
1080 1169
41
53
50
53
54
49
44
40
L
1000 1010
44
48
48
52
52
47
41
35
CASING RADIATED
H
1170 1328
40
59
49
50
51
48
41
37
M
1080 1169
36
55
46
46
47
44
38
33
L
1000 1010
42
45
48
48
48
45
37
31
DUCTED DISCHARGE
H
1170 1328
50
54
56
59
61
57
53
52
M
1080 1169
47
52
53
57
58
55
50
49
L
1000 1010
46
48
51
55
56
52
47
44
ARNU363M2A4
RETURN OPENING
H
0.16
1010 1030
44
49
49
53
52
47
41
36
M
930
873
42
47
47
51
50
46
39
34
L
880
770
43
42
52
48
46
40
34
27
CASING RADIATED
H
1010 1030
42
45
48
48
49
45
37
32
M
930
873
39
43
46
46
46
43
35
29
L
880
770
44
40
47
41
41
36
29
21
DUCTED DISCHARGE
H
1010 1030
46
48
51
55
57
53
47
44
M
930
873
44
46
49
53
54
50
45
42
L
880
770
45
42
54
50
50
46
39
33
ARNU283M2A4
RETURN OPENING
H
0.16
960
933
43
48
48
51
51
46
40
34
M
920
853
42
47
47
51
50
45
39
34
L
880
770
43
42
52
48
46
40
34
27
CASING RADIATED
H
960
933
40
44
47
46
47
44
36
30
M
920
853
39
43
45
45
46
42
35
29
L
880
770
44
40
47
41
41
36
29
21
DUCTED DISCHARGE
H
960
933
45
47
49
54
55
51
45
43
M
920
853
44
45
48
53
54
50
44
42
L
880
770
45
42
54
50
50
46
39
33
ARNU243M2A4
RETURN OPENING
H
0.16
810
713
41
41
51
47
45
39
33
26
M
770
587
41
40
51
46
44
39
32
25
L
730
463
41
40
50
46
44
38
32
25
CASING RADIATED
H
810
713
43
38
45
39
39
34
27
19
M
770
587
42
37
44
39
38
34
26
18
L
730
463
41
36
44
38
38
33
25
18
DUCTED DISCHARGE
H
810
713
44
40
52
49
48
44
37
31
M
770
587
43
39
51
48
47
43
36
30
L
730
463
42
38
50
47
46
42
35
29