Panasonic WH-R17C Operating Instructions Manual page 48

Performance
Standard type
 OSPL90 frequency response curve and
Full on acoustic gain response curve
According to IEC 60118-7:2005
130
120
OSPL90 frequency
response curve
110
100
90
Full on acoustic gain
response curve
80
70
60
100 1k
Frequency [Hz]
48
(Continued)
 OSPL90 curve (Saturation output curve)
and Full on gain response curve
According to ANSI S3.22-2003 (Includes April 2007 Erratum)
90 130
80 120
70 110
60 100
50 90
40 80
30 70
20 60
10k
OSPL90 curve
Full on acoustic gain
response curve
100 1k
Frequency [Hz]
90
80
70
60
50
40
30
20
10k