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Metal Detectors
Minelab
Minelab X-Terra 305 TID's, tips, settings, questions
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<blockquote data-quote="Ben78" data-source="post: 49694" data-attributes="member: 206"><p>Concentric Coils balance better on beaches, Double D balances better on high iron (both are at opposite ends of balance range) Double D is not as good at target ID as concentric nor is it as deep BUT double D needs very little overlap as it has a blade shaped field whereas the concentric has a cone shaped field profile. Additionally, Concentric coils ID bottle caps (beer) as low conductor and Double D ID them as high conductors. </p><p></p><p>Personally I prefer Double D because I don't want to think about overlap too much when I am in a park. There is bottle cap ID techniques you can use to help you in that regard, or use Minelab FBS which ID's them bottom right on smartfind ever time even with a Double D. </p><p></p><p>Next thing - I wouldn't upgrade from a 305 to a 705, all you gain is features nothing in the ID or depth range. But that is just one opinion in a sea of many lol. </p><p></p><p>Oh yeah, a 10" coil will gain you depth over the stock 8" coil ALL ELSE BEING EQUAL - which it never is!</p><p></p><p>Ben</p></blockquote><p></p>
[QUOTE="Ben78, post: 49694, member: 206"] Concentric Coils balance better on beaches, Double D balances better on high iron (both are at opposite ends of balance range) Double D is not as good at target ID as concentric nor is it as deep BUT double D needs very little overlap as it has a blade shaped field whereas the concentric has a cone shaped field profile. Additionally, Concentric coils ID bottle caps (beer) as low conductor and Double D ID them as high conductors. Personally I prefer Double D because I don't want to think about overlap too much when I am in a park. There is bottle cap ID techniques you can use to help you in that regard, or use Minelab FBS which ID's them bottom right on smartfind ever time even with a Double D. Next thing - I wouldn't upgrade from a 305 to a 705, all you gain is features nothing in the ID or depth range. But that is just one opinion in a sea of many lol. Oh yeah, a 10" coil will gain you depth over the stock 8" coil ALL ELSE BEING EQUAL - which it never is! Ben [/QUOTE]
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Metal Detectors
Minelab
Minelab X-Terra 305 TID's, tips, settings, questions
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