j71038 Posted March 21, 2023 Share Posted March 21, 2023 I have a typical newbee question. As a general rule of thumb in order to maximize your metal detecting spend I am curious if it is better to obtain different coil sizes for your existing detector or purchase different detectors? I already own a PI and a VLF machine since the underlying technologies appear somewhat different. I want to know what everyone's advice is on the subject. 1 Link to comment Share on other sites More sharing options...
Steve Herschbach Posted March 21, 2023 Share Posted March 21, 2023 If you are happy with your detector then maybe a new coil is a good idea. If you are unhappy with your detector - maybe time for a new detector. 8 Link to comment Share on other sites More sharing options...
Joel - cacadordereliquia Posted March 22, 2023 Share Posted March 22, 2023 I particularly agree with Steve. But the bigger coil will give you more depth gain, if you've already thrived in an area with a smaller coil, maybe now it's time for a bigger coil, so you'll look for object deeper. When you go hunting in the field and find a nugget in the flower of the earth. Then go back and pass the bigger coil to see if there's more at the bottom. This will provide a complete service. 2 Link to comment Share on other sites More sharing options...
kac Posted March 22, 2023 Share Posted March 22, 2023 Depends what and were your hunting. Big coils can be counter productive. I run small narrow coils in trashy areas or where mineralziation is high and only have a few spots I can run a large coil. Large coils have poor separation and more prone to emi. Other downside is weight. 4 Link to comment Share on other sites More sharing options...
Valens Legacy Posted March 22, 2023 Share Posted March 22, 2023 If you are using the same coils that came with the detector, then I suggest going with a new coil. Sometimes all it takes is a different coil to improve the recoveries. 2 Link to comment Share on other sites More sharing options...
GoodAmount Posted March 22, 2023 Share Posted March 22, 2023 I’d be looking for smaller coils to make your detectors more sensitive to hit on tiny finds. My G2 was reborn when I put a 5” Nel Sharp on after using the stock 11”. So too my old GMT with a 4x6 Goldmaster Shooter after the stock 5x10 DD and 6” concentric - I can find very tiny gold with that shooter. 2 Link to comment Share on other sites More sharing options...
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