16
OCH610G
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
NC-60
NC-50
2FWDYHEDQGSUHVVXUHOHYHOG%G% ȝ3D
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
High
Middle
60Hz
Middle2
60Hz
Low
60Hz
60Hz
63
125
250
500
1k
2k
4k
8k
Octave band center frequencies (Hz)
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
NC-60
NC-50
2FWDYHEDQGSUHVVXUHOHYHOG%G% ȝ3D
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
High
Middle
60Hz
Middle2
60Hz
Low
60Hz
60Hz
63
125
250
500
1k
2k
4k
8k
Octave band center frequencies (Hz)
PLFY-EP08,12NEMU-E
([WHUQDO6WDWLF3UHVVXUH3D>LQ:*@
3RZHU]
PLFY-EP06NEMU-E
([WHUQDO6WDWLF3UHVVXUH3D>LQ:*@
3RZHU]
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
NC-60
NC-50
2FWDYHEDQGSUHVVXUHOHYHOG%G% ȝ3D
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
High
Middle
60Hz
Middle2
60Hz
Low
60Hz
60Hz
63
125
250
500
1k
2k
4k
8k
Octave band center frequencies (Hz)
PLFY-EP15NEMU-E
([WHUQDO6WDWLF3UHVVXUH3D>LQ:*@
3RZHU]
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
NC-60
NC-50
2FWDYHEDQGSUHVVXUHOHYHOG%G% ȝ3D
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
High
Middle
60Hz
Middle2
60Hz
Low
60Hz
60Hz
63
125
250
500
1k
2k
4k
8k
Octave band center frequencies (Hz)
PLFY-EP18NEMU-E
([WHUQDO6WDWLF3UHVVXUH3D>LQ:*@
3RZHU]
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
NC-60
NC-50
2FWDYHEDQGSUHVVXUHOHYHOG%G% ȝ3D
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
High
Middle
60Hz
Middle2
60Hz
Low
60Hz
60Hz
63
125
250
500
1k
2k
4k
8k
Octave band center frequencies (Hz)
PLFY-EP24NEMU-E
PLFY-EP18NEMU-E1
([WHUQDO6WDWLF3UHVVXUH3D>LQ:*@
3RZHU]
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
NC-60
NC-50
2FWDYHEDQGSUHVVXUHOHYHOG%G% ȝ3D
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
High
Middle
60Hz
Middle2
60Hz
Low
60Hz
60Hz
63
125
250
500
1k
2k
4k
8k
Octave band center frequencies (Hz)
PLFY-EP30NEMU-E
([WHUQDO6WDWLF3UHVVXUH3D>LQ:*@
3RZHU]
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
NC-60
NC-50
2FWDYHEDQGSUHVVXUHOHYHOG%G% ȝ3D
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
High
Middle
60Hz
Middle2
60Hz
Low
60Hz
60Hz
63
125
250
500
1k
2k
4k
8k
Octave band center frequencies (Hz)
PLFY-EP36NEMU-E
([WHUQDO6WDWLF3UHVVXUH3D>LQ:*@
3RZHU]
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
NC-60
NC-50
2FWDYHEDQGSUHVVXUHOHYHOG%G% ȝ3D
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
High
Middle
60Hz
Middle2
60Hz
Low
60Hz
60Hz
63
125
250
500
1k
2k
4k
8k
Octave band center frequencies (Hz)
PLFY-EP48NEMU-E
([WHUQDO6WDWLF3UHVVXUH3D>LQ:*@
3RZHU]
3-3. NC CURVES