User Manual

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)