HIGH STATIC | 47
Ducted High Static
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DUCTED HIGH STATIC
Acoustic Data
Sound Pressure Data for M2 Units
Model
Rating
Fan
speed E.S.P RPM CFM
Sound pressure level, Lp (dB one reference picopascals)
63Hz 125Hz 250Hz 500Hz 1kHz 2kHz
4kHz 8kHz
ARNU183M2A4
RETURN OPENING
H
0.16
810
713
36
34
44
38
36
29
21
14
M
770
587
35
34
43
38
35
29
21
13
L
730
463
35
33
43
37
35
28
21
13
CASING RADIATED
H
810
713
37
31
38
31
30
24
16
7
M
770
587
36
31
37
30
29
23
15
6
L
730
463
35
30
36
29
28
22
14
5
DUCTED DISCHARGE
H
810
713
38
33
45
40
39
34
26
19
M
770
587
37
32
44
39
38
33
25
18
L
730
463
36
31
43
38
37
32
24
17
ARNU153M2A4
RETURN OPENING
H
0.16
770
587
36
34
44
38
35
29
21
14
M
730
463
35
34
43
38
35
29
21
13
L
690
323
35
33
43
37
35
28
21
13
CASING RADIATED
H
770
587
36
31
37
30
29
24
15
7
M
730
463
35
30
36
30
29
23
14
6
L
690
323
35
29
36
29
28
22
14
5
DUCTED DISCHARGE
H
770
587
37
33
44
40
38
33
25
18
M
730
463
36
32
43
39
37
32
24
18
L
690
323
35
31
42
38
36
31
23
17
ARNU123M2A4
RETURN OPENING
H
0.16
770
587
36
35
44
39
36
29
22
14
M
730
463
36
34
44
38
36
29
21
14
L
690
323
35
34
43
38
35
29
21
13
CASING RADIATED
H
770
587
37
31
38
31
30
24
16
7
M
730
463
36
31
37
30
29
23
15
6
L
690
323
35
30
36
29
28
22
14
6
DUCTED DISCHARGE
H
770
587
38
33
45
40
39
33
26
19
M
730
463
37
32
44
39
38
32
25
18
L
690
323
36
31
43
38
37
32
24
17
ARNU093M2A4
RETURN OPENING
H
0.16
760
559
37
35
45
39
36
30
22
15
M
720
430
36
35
44
39
36
30
22
14
L
680
284
36
34
44
38
36
29
22
14
CASING RADIATED
H
760
559
37
32
38
31
30
24
16
8
M
720
430
36
31
37
31
30
24
15
7
L
680
284
36
30
36
30
29
23
15
6
DUCTED DISCHARGE
H
760
559
38
34
45
40
39
34
26
19
M
720
430
37
33
44
39
38
33
25
18
L
680
284
36
32
43
39
37
32
24
17
ARNU073M2A4
RETURN OPENING
H
0.16
760
559
37
36
45
40
37
30
23
15
M
720
430
37
35
45
39
37
30
23
15
L
680
284
36
35
44
39
36
30
22
14
CASING RADIATED
H
760
559
38
32
39
32
31
25
17
8
M
720
430
37
32
38
31
30
24
16
7
L
680
284
36
31
37
30
29
23
15
7
DUCTED DISCHARGE
H
760
559
39
34
45
41
40
34
27
20
M
720
430
38
33
45
40
39
33
26
19
L
680
284
37
32
44
39
38
32
25
18