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/diy/ - Do It Yourself

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>> No.1700276 [View]
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1700276

>>1700253
Voice coil speakers are inductors. Voltage controls the volume and current*voltage (as in all things ) power.
Piezos = high pass filter, they have very high impedance pic related is the response of a piezo guitar pickup I used >>1699723. I used a FET input amp (tens of mega ohms input) and a 10M resistor to the reference. (and 10 was a bit low)

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