Panasonic WH-103JZ Operating Instructions Manual page 40

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