Coil upgrade advice.

rickbrk

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Floresville TX.
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Metal Detecting
I had both and kept the round 9 inch hf coil. It was dues to getting better depth and I personally did not use 72khz.

But I search in 31khz often

The elliptical can get around trees and bushes very good though.

But I am happy enough with the round HF coil.
 

I just got an elliptical 6x9.
I haven't been out with it a lot, but it seems to sniff out targets in the heavy trash Very well.
 

I haven’t used the HF Elliptical but I can vouch for both 9" X35 and 9" HF. I only use the HF exclusively now.

I would go with the 9" HF if I were you...
 

How trashy are the sites? If trashy get the elliptical. If you are mainly coin shooting with average trash and soil conditions the 9" x35 should suffice and you can dial in max depth on high conductive coins by dialing frequency down as low as 4khz and with boost ransmit power that is not available on the legacy LF or dial up as high as 25 khz for jewelry and relic mid-conductors (brass, lead, gold). My personal favorite is the 9" hf round because I mainly relic hunt in hot ground and therefore stay at 28khz or above and will occasionally down to 13-14 khz for coin shooting. HTH
 

I personally live the XP 9.5 HF coil. It separates bit better to me because of the shape of a football. Really gets in tight spots better especially when you're hunting in tall grass or weeds.
 

I don't think you can go wrong with any of them. I only have the 11"x35 and it is very good in parks and, where there is open ground, very deep on relics. I have ordered a HF elliptical for extreme iron and tight places.
 

Hi My Fellow TH'ers
I use the 9 inch HF round coil most of the time. I also have the 11 inch standard round coil. They both do well for me so I really can't knock one over the other. My suggestion is buy one that you think will provide you with any edge over another and give it a try. Bigger is better on an open search area and smaller is better for tight search areas like around trees, large rocks, wood fences, etc. Best of luck! ;-)
 

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