Mitsubishi Electric PLFY-WP32VBM-E Technical & Service Manual page 9

3-4. NC CURVES
PLFY-WP32VBM-E.UK
PLFY-WP40VBM-E.UK
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
15.0
continuous noise
10.0
63 125 250
Octave band center frequencies (Hz)
OCH586
High 50/60Hz Middle2 50/60Hz
Middle1 50/60Hz
Low 50/60Hz
500 1k 2k 4k
PLFY-WP50VBM-E.UK
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
15.0
continuous noise
10.0
8k 63 125
Octave band center frequencies (Hz)
9
High 50/60Hz
Low 50/60Hz
250 500 1k 2k
Middle2 50/60Hz
Middle1 50/60Hz
NC-60
NC-50
NC-40
NC-30
NC-20
4k 8k