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May 21, 2026 - 09:42 AM
The IM13 5" DD coil handles mineralized soil well thanks to its Double-D configuration, which provides better ground balance stability than concentric coils in high-mineral environments. The DD coil configuration handles mineralized ground better than concentric designs, making it an excellent choice for detecting in areas with challenging soil conditions. While you'll sacrifice some depth compared to the standard 11" coil, you gain the ability to pinpoint targets precisely. If your relic site has moderate trash density and challenging ground, the IM13 is a solid choice for isolating surface targets and working effectively in spaces where larger coils are impractical.
