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I took my Whites TDI SL with both the stock 7.5" dual field coil and the 8"x6" NUgget Finder coil, as well as my Minelab GM 1000 out and tried them on some small 1.7 grain and 7.4 grain pieces of lead i use for testing. The minelab found both easily and at over 2" on the small one. The Whites wouldn't pick up either one with either coil. I am liking the Monster more and more. But was wondering? Should the Whites do better than it did?

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No surprises there.The TDI like many PI detectors is weak on tiny gold that a hot VLF will hit. On the flip side a hot VLF will hit hot rocks and struggle on ground a TDI will handle with ease.

The SDC 2300 can meet or exceed many VLFs in the small gold department, especially in bad ground, but it costs three times what a TDI SL does.

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Thanks Steve.

 Yea, i knew the Monster was hot on the small stuff but i really thought the TDI SL would at least hit on the 7.4 gr. piece. Ohh well, it will be fine for larger deeper stuff that the Monster don't hit on.

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Rod

What you have is the early model of the Sadie coil. I had one I let go with a 4500 but done some testing on my SPP before it went. It had more sensitivity than the smallest folded eight that I’m thinking about selling. I have yet had the opportunity to use in the field.

Chuck

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Hi Rod, I have to agree with what Steve said but you do need both detectors. A good quality PI & a high frequency VLF. Having said that though I don't believe you can compare a Whites TDI with a Minelab 4500 in the PI model of detectors. Of course you can compare them but the 4500 with Sadie coil is far better IMHO.

Good luck out there

JW :smile:

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I found the same thing when I first got my 4500, it wouldn't of picked up those test bits of lead you were using either.  I was wrongly disappointed with it, putting the little Joey coil on it vastly improved it and now I feel it's not far behind a HF VLF on small gold.  I wouldn't feel I'm missing much at all with it. It now gets really tiny gold but Steve and Kiwijw are right, you really need both a PI and an HF VLF if you want to clean up entirely as both have their benefits.  You are spot on to like your Monster though, it's a great machine 🙂

 

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Thanks for the replies guys. I appreciate them.

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For small gold,  you cant go wrong with a  2300. 

Handles mineralization like a champ and nice depth . And the less mineralized the ground, the more depth you will see. 

Great detector in both ground conditions.

This was some sdc bedrock gold missed by my 5000 running an 8x6 coil.

As Steve said , it  basically meets a vlf in the small gold department.

placer.jpg

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Nice Gold Wes. Yep, the SDC would be nice to have too.

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Nice finds Wes.👍  Gosh.... I am amazed the 5000 & Sadie coil didn't get some of those. I have to wonder if you had the optimum settings dialed in on your 5000 for the conditions. From Minelabs point of view the 2300 is inturnaly set to pretty hot settings that can't be" fiddled" with by the operator making it pretty churpy, except for the sensitivity levels. I am  a bit ignorant of American coin size but some/most of those don't look too shabby a size to me compared to the small bits I get with my Zed & its 14" coil. From my experiences with the 2300 I will button my lip on commenting :unsure:. It is really not fair to compare a PI with a VLF. That is how this thread started with Rod commenting on comparing the TDI with the Gold monster. They both have there individual places of use where each will out shine the other. Fact is, you will benefit immensely by having both. The GM will find tiny gold, as will the Equinox 800, but it comes down to how hot you can run it for your ground conditions & how deep the tiny gold is. Gold is gold no matter its size & it is all lovely & is a joy to be out there trying to find it. 

Best of luck to you all out there.

JW :smile:

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