I want the elliptical coil, really digging the high frequency. Hope it will help with the smaller gold jewelry items at the playgrounds and tot lots since we ain't got much gold in these NY hills [emoji846]
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I see them mainly as excellent prospecting coils that can double as ok general purpose terrestrial and beach coin shooting and jewelry coils at their low frequency end but not with the depth of the legacy coils because they can't dip down to 4 through 12 khz. You will find a lot of tiny stuff with them, but unless it's gold like earring post backs probably not worth keeping ( e.g. camp lead droplets and tiny sinkers, eyeglass screws etc.). Obviously, if you are prospecting the whole point is finding those barely visible flakes and micronuggets you can pan out of the silt or finding those tiny meteorite fragments. fingernail sized small hammeredcoins or even perhaps deep small gold jewelry in sand, and these coils will kill it in those situations - they are just not my situations or a small percentage of my situations.
As far as small gold jewelry in lots and parks, the 9" legacy coil working at 18 khz should do the trick nicely there with the elliptical perhaps providing some improved separation. Just my opinion, but unless you are prospecting or hunting for meteorites in the desert, not seeing the value in dropping that much coin on the hf coils if you have a legacy coil already.
Very similar to my position on the legacy 11x13 " coil from a value perspective. How much is someone willing to pay for some incremental increase in depth performance or an added functionality you will hardly use.
If, however, I was just starting out with a deus (and was not a prospector) and could just get just one coil, I would lean towards the 9" and 11" legacy coils because they cover 95% of my detecting situations but the hf elliptical would certainly be in the conversation and perhaps even the 9" hf. Just my take based on hunting style only.
They appear to be fantastic coils for what they do and if they covered the low frequency range of the legacy coils as well as their hf range they of course would be a no brainer. The depth capability is the most important attribute to me right now not finding stuff my eyes can't see in the dirt, lol.