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ScoTTT2
Damn...I've been studying the top-end machines trying to decide on a purchase or two, hopefully in the near future (health permitting). Is minelab telling me that the manicore is five times the machine of the x-terra, the nox is four times the machine of the x-terra, or that I really don't need a top-end machine? Is selectable freq. really that much different than single freq.? Is the x-terra pro a step forward or a step backwards from what they have been saying for the past few years about single freq. being obsolete? Is it now proof (taking a few words from Nokta) that the tech is so close that it makes little difference?

Scott, there is a technical advantage of using a single frequency *if* the coil is optimized for that single frequency. i.e. the old X-terra with it's dedicated coil for a certain frequency. When the machine transmits a frequency for which the coil is not optimized, the outputted field gets reduced in amplitude the further away it is from that optimization.

I think the X-terra Pro is simply a way to market a lower priced machine with the Minelab name. Does look like it was designed to compete with the Simplex. It appears to be an Equinox, programmed for a few single frequencies and limited features. It is common to take an electronic module, dumb it down, and sell it at a reduced price. Only difference is they made a few more coils for it.