A good start for a geophone analog amplifier circuit is here. It’s very low power and highly sensitive. It’d be nice if somebody made a Seismic Shield product based on this circuit (wink wink nudge nudge).
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A good start for a geophone analog amplifier circuit is here. It’s very low power and highly sensitive. It’d be nice if somebody made a Seismic Shield product based on this circuit (wink wink nudge nudge).