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The only way to really know is for an independent engineer to do some major testing on these models. That has not been done as far as I know.
There was some extensive testing of the Equinox 800 by Carl Moreland of Geotech a few years ago. It uses basically the same Multi IQ technology as the Vanquish models.
Below are the transmit frequencies he found. He could not test the return frequencies so what Minelab really does on that end is still unknown at least by us end users.
Equinox Park 1 and 2 are 2.6 +7.8 + 39kHz
Equinox Field 1 and 2 are 2.6 + 7.8 + 39kHz
Equinox Beach 1 and 2 are 2.6 + 7.8 + 23.4kHz.
The 360 has Park, Beach and All Targets choices. I am assuming that the All Targets mode is the same as Park but with iron and low target ID non ferrous targets accepted.
I have the 340 and all three modes: Coin, Jewelry and All Targets behave roughly the same on targets that are not disced out.
The Park mode in my opinion, has the disc set too high. The range from 20 down to 0 is where a lot of gold jewelry items will show up. With US nickels hitting 24 to 26, there is not much room below that using Park mode for a lot of low conductor targets. Most will be disced out. I wish Minelab hadn't done that but just be ready for it and use the All Targets mode or Beach mode if you are looking for medium to small sized gold jewelry. The earlier Vanquish models were pretty weak on micro targets below 0.3 grams similar to the standard stud earring back. That makes me think that all of the 340s modes were running some form of an equivalent of the Equinox Beach mode frequencies shown above. Maybe you can do some testing on small lead or aluminum targets using Beach and All metal and see if one is more sensitive than the other. Park will disc those targets out probably.
The only way to really know is for an independent engineer to do some major testing on these models. That has not been done as far as I know.
There was some extensive testing of the Equinox 800 by Carl Moreland of Geotech a few years ago. It uses basically the same Multi IQ technology as the Vanquish models.
Below are the transmit frequencies he found. He could not test the return frequencies so what Minelab really does on that end is still unknown at least by us end users.
Equinox Park 1 and 2 are 2.6 +7.8 + 39kHz
Equinox Field 1 and 2 are 2.6 + 7.8 + 39kHz
Equinox Beach 1 and 2 are 2.6 + 7.8 + 23.4kHz.
The 360 has Park, Beach and All Targets choices. I am assuming that the All Targets mode is the same as Park but with iron and low target ID non ferrous targets accepted.
I have the 340 and all three modes: Coin, Jewelry and All Targets behave roughly the same on targets that are not disced out.
The Park mode in my opinion, has the disc set too high. The range from 20 down to 0 is where a lot of gold jewelry items will show up. With US nickels hitting 24 to 26, there is not much room below that using Park mode for a lot of low conductor targets. Most will be disced out. I wish Minelab hadn't done that but just be ready for it and use the All Targets mode or Beach mode if you are looking for medium to small sized gold jewelry. The earlier Vanquish models were pretty weak on micro targets below 0.3 grams similar to the standard stud earring back. That makes me think that all of the 340s modes were running some form of an equivalent of the Equinox Beach mode frequencies shown above. Maybe you can do some testing on small lead or aluminum targets using Beach and All metal and see if one is more sensitive than the other. Park will disc those targets out probably.