Fisher "F" Series Forum

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Re: Stock coil vs Aftermarket
Posted by: jim tn
Date: November 18, 2017 05:54AM
If you get one, you will see quickly that it pinpoints off the tip/toe. Oh, and Merry early Christmas. HH jim tn

Re: Stock coil vs Aftermarket
Posted by: WV62
Date: November 18, 2017 08:23AM
I will also go with the 5x10.

Ron in WV

Worked and lived in the Huntington West Virginia area all my life, retired 2010
US Air Force Vietnam Veteran (68-69 & 70-71)
Started getting into metal detecting around 1975

Re: Stock coil vs Aftermarket
Posted by: rod-pa
Date: November 18, 2017 05:43PM
I noticed the posts mention two different coils. The 5x10 concentric and the 5x10 DD.

I have not used the 5x10 DD, but I LOVE the 5x10 concentric.

Re: Stock coil vs Aftermarket
Posted by: Quake
Date: December 02, 2017 07:22PM
Nel sharpshooter i dig wheats at 8"

Re: Stock coil vs Aftermarket
Posted by: artd
Date: December 03, 2017 10:32PM
I just got U13 for my f75. my bud just buried a qtr. at 10" at this park we been hitting pretty hard, sens. 0, disc 10, 3T, with and without ground balance. this coil bangs that qtr. with proper id. does anybody that has this coil or a tornado notice the ground balance #'s and FE are lower than stock coils? stock coil my ground balance is 58, 2 to 4 bars, with U13 I'm getting 42, 1 bar in disc, switch to all metal and ground balance I'm getting 55, 1 bar. I have a qtr. at 11.5" and a .05 at 12", powerline 80 yards away I can get hits on both .05 not as much #'s are in higher 70's, qtr is reading 83 to 87. so far after testing I'm impressed with this coil depth wise and also separates pretty good also.

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