Mars Goliath coils for Minelab X-Terra. Photo report

Watch the photo report, Mars Goliath coil for Minelab X-Terra 705. Round 15 inches DD.

The rivalry at hunting sites has long demanded not only search quality improving, but also depth increasing. If the search quality with the reasonable approach not to miss dubious signals influences more the number of all for nothing hole-dugs, then the depth gives the advantage just in number of finds. It is achieved by increasing the coil size. The Mars Goliath is an alternative of such large coil for the Minelab X-Terra.









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4 Responses to Mars Goliath coils for Minelab X-Terra. Photo report

  • My question is: Do the MARS coils hit harder than the standard Minelab Xterra coils giving a more sure hit signal for faster finds and recoveries?

    • The Mars Goliath coil certainly goes deeper than the original one of the X-Terra 705. The 15-inch size vs the 10.5-inch one gives an increased depth anyway. That aside, the coil has all things the same like the original: recovery speed, sensitivity to small finds, discrimination.

  • I have another question regarding the MARS coils. In your experience is the high frequency coil better for general coin and relic hunting, mostly coin, than the mid-frequency for the Xterra 705? So far I’ve done mostly all coin shooting but would like to work in a little more relic hunting.

    • If there is a single coin (or another find made of non-ferrous metal), then high frequency is better. If there are some coins and they are concentrated at a single location, or there is iron nearby, then low frequency is more preferable.

      Make a simple experiment: take some copper coins and stack them up. Pass the stack of coins over the coil in such a way so that they are perpendicular to the coil (edgeways). With 7.5 kHz and 18.75 kHz coil, the Minelab X-Terra 705 will identify these coins as iron; but with 3.5 kHz one, it will be a signal with the VDI at 43-45.

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