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Metal Detectors
Minelab
Interesting Modified SDC2300 On Gumtree
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<blockquote data-quote="SteelPat" data-source="post: 232087" data-attributes="member: 4467"><p>My take on the coil issue is that the electrical specs of the 12" mono and the original coil are probably pretty close. I.e. The inductance, resistance, capacitance etc. The others are probably a little out of spec and cause the machine to be unstable. </p><p></p><p>I know in my experimental units that once you start to work with very sensitive input circuitry, the specs of the coil are critical. Personally I feel that you are really lucky to even get the 12" mono to work without some loss of sensitivity or stability. You may find that another 12" mono coil, even of the same type may not work as well due to the slight variability and allowable tolerances in each coil.</p><p></p><p>If I was going to test how good the coils perform I would be using sub gram nuggets i.e. .1 or lower as these seem to be what the SDC were designed for. Most of my experimental units will pick up the targets you used at the depths you mentioned previously.</p></blockquote><p></p>
[QUOTE="SteelPat, post: 232087, member: 4467"] My take on the coil issue is that the electrical specs of the 12" mono and the original coil are probably pretty close. I.e. The inductance, resistance, capacitance etc. The others are probably a little out of spec and cause the machine to be unstable. I know in my experimental units that once you start to work with very sensitive input circuitry, the specs of the coil are critical. Personally I feel that you are really lucky to even get the 12" mono to work without some loss of sensitivity or stability. You may find that another 12" mono coil, even of the same type may not work as well due to the slight variability and allowable tolerances in each coil. If I was going to test how good the coils perform I would be using sub gram nuggets i.e. .1 or lower as these seem to be what the SDC were designed for. Most of my experimental units will pick up the targets you used at the depths you mentioned previously. [/QUOTE]
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Metal Detectors
Minelab
Interesting Modified SDC2300 On Gumtree
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