Pkfy-P15Nlmu-E; Pkfy-P18Nlmu-E - Mitsubishi Electric PKFY Series Technical & Service Manual

PKFY-P15NLMU-E

90
80
70
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63 125 250 500 1000
BAND CENTER FREQUENCIES, Hz
OCH715
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
2000 4000 8000

PKFY-P18NLMU-E

90
80
70
60
50
40
30
20
Approximate minimum
audible limit on
continuous noise
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
16
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1000 2000 4000 8000