Hello, i Need some advice from you, in France we ave the chance of finding artefact's and coins from be for the Romans until now. I research everywhere forests, fields, etc.... For Xmas i want to buy a coiltek 15' but i can't decide which (3,5 7,5 18,75) . I will really appreciated your comments. (sorry for my English)
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need advise coiltek
- Thread starter pierre87
- Start date
Your English is fine Pierre. 
In your situation I think that I would go with the 7.5kHz 15" All Terrain coil from
It will deliver the most honest TID with good depth. The hammered Roman coins are relatively low conductors that would not be as easily found with the 3kHz coil. And the 18.75kHz coil likes low conductors too much, which would result in making it harder to discern iron from good targets, particularly at depth. The 7.5kHz coil is a good all around coil that will hit on gold and hammered coins as well as more modern objects.
In your situation I think that I would go with the 7.5kHz 15" All Terrain coil from
It will deliver the most honest TID with good depth. The hammered Roman coins are relatively low conductors that would not be as easily found with the 3kHz coil. And the 18.75kHz coil likes low conductors too much, which would result in making it harder to discern iron from good targets, particularly at depth. The 7.5kHz coil is a good all around coil that will hit on gold and hammered coins as well as more modern objects.