Mitsubishi Electric PCFY-P40VKM-E Technical & Service Manual page 13

4-4. NC CURVES
PCFY-P40VKM-E
PCFY-P40VKM-ER1
External static pressure : 0Pa
Power source : 220,230,240V, 50Hz / 220V, 60Hz
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
Approximate minimum
audible limit on
continuous noise
15.0
10.0
63 125 250
Octave band center frequencies (Hz)
PCFY-P100VKM-E
PCFY-P100VKM-ER1
External static pressure : 0Pa
Power source : 220,230,240V, 50Hz / 220V, 60Hz
70.0
65.0
60.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
Approximate minimum
audible limit on
continuous noise
15.0
10.0
63 125 250
Octave band center frequencies (Hz)
OCH449A
Middle2
High
Low
Middle1
500 1k 2k 4k
High Middle2
Low
Middle1
500 1k 2k 4k
PCFY-P63VKM-E
PCFY-P63VKM-ER1
External static pressure : 0Pa
Power source : 220,230,240V, 50Hz / 220V, 60Hz
70.0
65.0
60.0
NC-60
55.0
50.0
NC-50
45.0
40.0
NC-40
35.0
30.0
NC-30
25.0
20.0 Approximate minimum
audible limit on
NC-20
continuous noise
15.0
10.0
8k
63 125
Octave band center frequencies (Hz)
PCFY-P125VKM-E
PCFY-P125VKM-ER1
External static pressure : 0Pa
Power source : 220,230,240V, 50Hz / 220V, 60Hz
70.0
65.0
60.0
NC-60
55.0
50.0
NC-50
45.0
40.0
NC-40
35.0
30.0
NC-30
25.0
20.0
Approximate minimum
audible limit on
NC-20 continuous noise
15.0
10.0
8k
63 125
Octave band center frequencies (Hz)
13
High
Middle1
250 500 1k 2k
High
Middle1
250 500 1k 2k
Middle2
Low
NC-60
NC-50
NC-40
NC-30
NC-20
4k 8k
Middle2
Low
NC-60
NC-50
NC-40
NC-30
NC-20
4k 8k