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Gold Prospecting
Metal Detecting for Gold
difrent size coils what is the advantage ?
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<blockquote data-quote="Ship of fools" data-source="post: 433416" data-attributes="member: 12134"><p>In my very limited experience of gold metal detecting, the coil makes the machine!</p><p>I have a Whites TDI Oz pro it came with three after market coils a nugget finder 8x6 advantage, a minor John folded 8 11x7 and a longreach 14x9.</p><p>Recently I have had a Gpx 4500 with a nugget finder 14x9 advantage coil (advantage = litz wire bundle wound, evolution = litz wire flat or spiral wound) to make comparisons.</p><p>The nugget finder coils on the Whites brings the two machines very close, the Gpx on a 0.25gram of lead had a 25mm head start on the Whites, as the targets got bigger the gap got smaller.</p><p>The 14x9 nugget finder is a better coil than both the minor John (not as deep) and the longreach (not as sensitive)</p><p>I no longer have access to the Gpx and have purchased a nugget finder 12inch evolution and I believe it is better again, that is picking up smaller targets deeper.</p><p>Matt T</p></blockquote><p></p>
[QUOTE="Ship of fools, post: 433416, member: 12134"] In my very limited experience of gold metal detecting, the coil makes the machine! I have a Whites TDI Oz pro it came with three after market coils a nugget finder 8x6 advantage, a minor John folded 8 11x7 and a longreach 14x9. Recently I have had a Gpx 4500 with a nugget finder 14x9 advantage coil (advantage = litz wire bundle wound, evolution = litz wire flat or spiral wound) to make comparisons. The nugget finder coils on the Whites brings the two machines very close, the Gpx on a 0.25gram of lead had a 25mm head start on the Whites, as the targets got bigger the gap got smaller. The 14x9 nugget finder is a better coil than both the minor John (not as deep) and the longreach (not as sensitive) I no longer have access to the Gpx and have purchased a nugget finder 12inch evolution and I believe it is better again, that is picking up smaller targets deeper. Matt T [/QUOTE]
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Gold Prospecting
Metal Detecting for Gold
difrent size coils what is the advantage ?
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