MCAC-VTSM-2017-01
One-way Cassette
20
9. Sound Levels
9.1 Test condition
ONE-WAY CASSETTE TYPE
Microphone
1.0m
9.2 Test value
MDV-D18Q1/N1-D
H
M
L
Model
Sound test value dB(A)
H
M
L
MDV-D18Q1/N1-D
37
34
30
MDV-D22Q1/N1-D
38
34
30
MDV-D28Q1/N1-D
39
37
34
MDV-D36Q1/N1-D
40
38
34
MDV-D45Q1/N1-D
41
39
35
MDV-D56Q1/N1-D
42
40
36
MDV-D71Q1/N1-D
44
41
37
1.4m
0
10
20
30
40
50
60
70
80
63
125
250
500
1000
2000
4000
8000
NC60
NC50
NC40
NC30
NC20
H
M
L