That coil is pretty hot on tiny targets.
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Last 3 Hunts With The AT Pro Using The 9" x 12" Concentric Coil
- Thread starter John-Edmonton
- Start date
That coil is pretty hot on tiny targets.
I'm still undecided as to whether or not I'm gonna pick up one o' those 9"x12" search coils. I've always prefered the double "D" coils, but that big concentric would be good to use on the salt water beaches.
Thanks for sharing!
Happy Hunting!
Joel-Winnipeg
New member
Good finds on the coins . Congrats !
My air tests comparisons suggest no real noticeable differences in depth. However, as a general rule, DD coils have the ability to punch deeper into heavier mineralized soils. I purchased mine not so much for the added depth, but for the pin pointing ability on more shallow targets off the toe of the coil. Also, the larger foot print of the coil makes it better for gridding large sports fields and parks.
The thing with concentric coils vs. DD coils is that in ground with no mineralization, they are about equal in depth but when you start adding mineralization, the DD,s maintain a great depth in comparisons. I have very little mineralization in my hunting grounds in Edmonton, so both coils work well.
Below is a nice explanation on different coil types:
http://www.garrett.com/hobbysite/pdfs/searchcoil_tech_sheet.pdf
The thing with concentric coils vs. DD coils is that in ground with no mineralization, they are about equal in depth but when you start adding mineralization, the DD,s maintain a great depth in comparisons. I have very little mineralization in my hunting grounds in Edmonton, so both coils work well.
Below is a nice explanation on different coil types:
http://www.garrett.com/hobbysite/pdfs/searchcoil_tech_sheet.pdf
Big Boys Hobbies
Well-known member
n/t