Originally posted by detectoman
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Regards









in theory my pd work ok, this detect 1.5 v, spark to 35 cms and ring to 28 ( have one coi ofl 9 cms ) i cant try in field, due my sample buried of gold is very recently,
and other lot of coins too recently, and i'm in others experiment whit this pd, for other modifications and for the circuit simplification, and add other things


. When we was in RS i made a lot o coils and i made a lot of tests so now i can't other
. I had not luck, to make it to work.

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