Nokia 6310i Service Manual page 84

NPL-1
3 - Audio System
Specified frequency response curve for the NPL-1 design (mechanics and Audio):
30
20
10
0
-10
-20
-30
100
Figure 4. Earpiece frequency response - ERP corrected – non DSP corrected
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Figure 3. Mechanical assembly of Earpiece and Vibra
Frequency [Hz]
Typical Response
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1000
Upper Limit Lower limit
10000
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