ListenClear HD290, User Manual

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Output Sound Pressure Level (OSPL 90)
Acoustic Gain
40
50
60
70
80
90
100
110
120
130
200 400 600 800 1000 2000 4000 6000 8000
Output (dB
SPL)
Frequency (Hz)
Maximum Output (OSPL 90)
Output Sound Pressure Level (OSPL)
20
25
30
35
40
45
50
55
200 400 600 800 1000 2000 4000 6000 8000
Gai
n (dB)
Frequency (Hz)
Full-On Gain
Full-On Gain