minelab 4000 or whites new tdi

[cheaptrixs]

I presently have a minelab GPX 4000. I am thinking about trading for a whites TDI. Any thoughts or comments?
I have seen the TDI block out a nasty hotrock about fist size and still alert to gold under it (a nugget about half the size of a dime),
my gpx 4000 could not even block out the hot rock. Both using the coils they come with. I use my detector in Arizona for gold,
and Michigan for float copper. Anyone have experience with both machines?

Thanks,
Scott

 

[Bence]

Your 4000 should block out all hotrocks in smooth mode! Then, you want to compare depth on targets with the same coils: 4000 in smooth vs TDI.

 

[acemanau]

Got a TDI , but haven't used it enough to be much help to you. But If you seeing that it is blowin through a bad rock and your $ 4000.00 Gpx ain't I'd be pissed. Good luck .

 

[boilerdude]

I would ask Steve on the the Alaska Gold Forum (bb.bbboy.net/alaskagoldforum) to compare the two. He knows a bit about both of these detectors. Dave

 

[Reg]

Hi All,


First, I am not sure why the question was even asked except maybe to try to cause problems. If that is the case, please take it somewhere else. If it is an honest question, that is another story but with a name like Cheaptrix, I had to wonder. I mention this because of some garbage going on, on another forum.

There was some discussion on another forum about a particular rock the TDI would ignore and the other major brand would not. Unfortunately, the discussion degraded in my opinion to name calling. However, the basics are much like your question.

Now, anyone who has used a VLF and fought hotrocks knows how frustrating this can be. So, when the TDI ignored the rock, the dealer who pointed this out felt really is something that was important. So he has shown this feature to many customers. Keep in mind, it isn't the only thing shown but it is one item. Also, keep in mind this same dealer could sell the more expensive PI also. So, why in the world would a dealer that makes more money selling the higher priced PI want to scam someone into buying a cheaper unit? You won't stay in business that way.

Now getting back to the hotock issue, does the latest most expensive other party PI have the ability to ignore that particular rock? With what they call SETA, it probably is possible with the right settings it might, but I can't say for sure since I have not tried one. Earlier models of the PI probably will have problems with that rock regardless of the settings. So, the 4500 might ignore the rock using the right settings, but the 4000 may or may not with the right settings. I can

 

[Docwalker]

Allow me to add I hunt in (N) normal (GPX-4000) and switch to sensitive (smooth) on the front end cap to determine if a signal is from a hot rock.

The question was: Should you sell the GPX - go ahead, but chances are you'll regret it. Better to save up a few beans and buy the TDI to have as your back-up or if you find you like the TDI best... keep the GPX as your back up.

Keep in mind there is gold still being found in AZ with a VLF. If I was you I would spend time in the field before it gets too hot. Collect a few nuggets and pay for that second machine.

Happy hunting with your GPX... sure like mine!

P.s. I get tricked (even using smooth) by a hot rock all of maybe, once a day.

Question really is: Which machine finds more gold?

Bill

 

[prospector 55]

I also have a TDI but the Minelab is alot more machine, I really like PIs and the TDI will probably find almost as much stuff as the Minelab, newer does not allways mean better, why would you use a PI as a coin hunter, you would dig alot of trash targets bad idea, A TDI would be an excellent backup unit for the Minelab or in high noise areas.

 

[Reg]

Prospector 55,

Actually, when I coin hunt in a park I find less trash and more deeper coins with the TDI than I find with most VLF's. The trick is knowing how to set it up. Once it is set up correctly, I simply do not hear signals from trash such as bottle caps, nails, foil, etc. So I am left simply hearing signals from copper and silver coins or other objects made of these two materials. Now, if I decide to ignore the strong signals from surface coins then I only dig the deeper older coins..

My last time out I only dug about 8 objects, all but one were wheatback pennies and the one loner junk signal was something I knew it was trash but I dug it anyway out of curiosity because the signal was there some of the time even though it was totally strange. This odd response does come from a older rusted piece of wire once in a while, bu t I have also had similar signals from coins buried with trash.

It wasn't until I got home that I realize my adjustments didn't allow me to find Indian Heads. Bummer, but that is a learning experience, but now I know why I didn't find any that trip.

So, yes, it is quite fun to use the TDI to find coins and not dig trash. So, using a TDI to hunt coins is a good idea, at least for me, once you learn how to set it up.

Reg