Metal Detector Coils Explained - What Coil and Why?

Gold Digger Dave from Miners Den Australia gives a detailed explanation about how to choose your metal detector coils.
Learn which metal detector coil you should choose when out gold prospecting or treasure hunting to help you find more targets.
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This is a clip from The Minelab Show.
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[@disgruntledgrunt241]

I recently got an Equinox 700 and the 11" DD coil slays the beaches here in Florida.

[@traoreaboubacar314]

Hi Dave .thanks for information but I need some one to by!!

[@treasurehuntingscotlandmud9340]

Great video

[@hudmumper]

Hi, Dave. Thanks for the video, it was helpful and informative, but I have to say I was a little surprised that concentric circle coils didn't get a mention. Are they "older" tech now? I own a Minelab X-Terra 70 and have found the stock 9" 7.5 KHz Concentric VFlex coil to be quite serviceable for coin and relic detecting but must admit I haven't found any gold with it yet. To be fair I have only seriously tried once, but since I bought it originally as a gold detector I am still hopeful of getting back to the goldfields one day🙄 😊 . I also have the 6" DD 18.75KHz. 😊

[@MinersDenAustralia]

we recently did talk about the concentric coils (not in the video above though). Concentric coils generally are better suited to treasure machines in non mineralized ground. In general, the modern gold prospecting machines have been developed around Mono coils due to their superior depth and sensitivity. If you are planning to use the X-terra in the goldfields, the 6" 18khz DD coil you have will out perform the 7khz concentric by a long way. The concentric coil on a Vlf machine will be swamped by ground signal in a goldfield making it very difficult to find much other than large surface targets. The smaller DD coil will be better able to ignore the ground response, and the higher 18khz will excite small low conductivity targets (gold) far better- there are far more small pieces of gold out there than there is big bits, so your far more likely to have success with the smaller 18khz coil

[@hudmumper]

@@MinersDenAustralia Ahhh thank you, I appreciate that. It explains a lot for me. 😁. I will look up the video on the CC coils. I am slowly going through all the videos on the channel so i will find it sooner or later. 😀. I'm looking forward to getting out there and I will put up with only finding larger surface nuggets if I HAVE to. 🤣. Thanks again for the reply, much appreciated.

[@cliffordwells2793]

Hi Dave, I'm using a sovereign X'S. For the UK beaches.. I've got a white coin strike coil and a 10" tornado coil. Is it possible to tune the coils to the control box for extra depth.
Depth is not that good with both.

[@MinersDenAustralia]

Hi Clifford, that is essentially what many of the settings in your detector do! Generally though, disregarding settings, a larger coil will detect larger/deeper targets than a small coil. Large coils do lose a little sensitivity to very small targets though. Smaller coils will detect smaller targets at greater depth than a large coil- but don't punch quite as deep on large targets.

[@cliffordwells2793]

@@MinersDenAustralia thanks Dave...but I was more thinking about the internal pots GB/ threshold/ iron mask etc. ...if any?