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Speaker driver test – GW Instek SFG-1000 Series User Manual

Page 33

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Application Examples

33

Speaker Driver Test

Description

Use SFG-1000 series for testing the frequency
characteristics of audio speakers. Record the volt reading

versus the input signal frequency.

Block diagram

SFG series

Oscilloscope (or Voltmeter)

Speaker

Graph

The peak voltage occurs on the resonant frequency of
the speaker.

Frequency (Hz)

Peak of Audio Drive Response

Correspondent

Response (dB)