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In Reply to: RE: Multimeter with max voltage hold posted by PaulF70 on July 17, 2017 at 17:13:50:
A scope is basically a voltmeter that displays the voltage waveform. You can connect the probe to the positive speaker terminal. DO NOT CONNECT THE PROBE GROUND WIRE! Then set the time base to a low speed and turn up the intensity so you can see the transient peaks. Make sure you set the VOLTS-PER-DIVISION control so the peaks remain visible within the display.
The scope displays peak-to-peak voltage. Divide the peak-to-peak voltage in half to get peak voltage, which might be just what you want for determining peak power. If you want RMS voltage, multiply peak voltage by 0.707.
Try this method and see what you get. I'm sure that with a little practice you'll get the hang of it. You just have to keep watching the scope to get a sense of the amplitude of the transient voltage peaks. If you need instruction, I'll bet you can find it online. You can find just about anything on the internet using Google.
Good luck,
John Elison
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- RE: Multimeter with max voltage hold - John Elison 07/17/1718:11:04 07/17/17 (0)
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