A large coil provides an increased search speed and great depth. For the Fisher F2-F4 users, there exist not only original coils: the alternative manufacturers also produce ones for these machines. See the photo: Mars Goliath 15” coil for Fisher F2-F4. Continue reading
The Fisher F4 metal detector initially comes equipped with an 11-inch coil that is well suited for universal search. The Fisher F2, on the contrary, has a meager coil with little detection depth. See the photo: an alternative Mars Tiger coil for Fisher F2 and F4 metal detectors. Continue reading