A salesman recommended the XLT to me for detecting fist size to briefcase size gold coin caches anywhere from 3 to 10 feet deep. Is the XLT the right detector for my application? If not, can anyone recommend equipment that will detect moderately large metal objects reliably at these depths?
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detecting large coin caches up to 10 ft deep
- Thread starter jaromf
- Start date
jackintexas
New member
The WhitesTM 808 is a 2 box unit used to locate larger size targets such as the caches you may be looking for. Not good for single coins or small metal objects.....Jack
jackintexas
New member
Look on the internet----Whites Electronics Metal Detectors----specialty detectors. That may give you the details you may be looking for....Jack
Whites hasn't got a machine in their line up that will do the job for you. I don't think you would even get the briefcase at ten feet. Two box machines are O.K. for four or five feet but I doubt you will hit a fist size bag of gold at three. The only real option is a high power P.I. which limits you to the expensive German ones from the likes of Lorenz and Pulse Star or the far cheaper Bulgarian ones.
robert roy
New member
I hate to say it but you may have to look at the compitition.
Garrett has a couple machines that might be what your looking for.
RR
Garrett has a couple machines that might be what your looking for.
RR
Tin Nugget
New member
Not a chance. The only thing that may help you is a good Two Box Detector.
Fisher made a Gemini unit, Whites made a couple 800 series, and Garrett made one or more that I don't recall the name/model. May be others out there.
These are those 2-box detectors for the bigger deeper stuff.
A friend had a 2-box unit and dug some large junk. Says he dug a garbage can lid, a car wheel, paint can and lawn mower deck - his best finds.
He got rid of the machine after about a half year. That was his luck I guess.
Then he was going to go with the Whites Sierra Madre with a large coil - I don't recall but I think it was something like a 25 inch accessory coil.
These are those 2-box detectors for the bigger deeper stuff.
A friend had a 2-box unit and dug some large junk. Says he dug a garbage can lid, a car wheel, paint can and lawn mower deck - his best finds.
He got rid of the machine after about a half year. That was his luck I guess.
Then he was going to go with the Whites Sierra Madre with a large coil - I don't recall but I think it was something like a 25 inch accessory coil.
It would be interesting to hear from anyone the depth they have found a coke can at with any of the following. Garrett CX with depth multiplier, Whites TM808, Fisher Gemini or Discovery TF 900.
Even better set up and tune the machine then move even a few yards away and see how the performance drops off.
Even better set up and tune the machine then move even a few yards away and see how the performance drops off.
Phillip_in_NM
Member
The Garrett GTI 2500 has a depth multiplier attachment that reportedly can find paint can sized metal objects at 10-15 feet. I have a GTI 2500 but have never gotten the depth multiplier since I don't have a backhoe! (Who wants to dig that deep by hand???) Check out the Garrett website for more details.
I deeply appreciate the input. Below, I have compiled a list of detectors that you all have suggested for deep finds between 3 and 10 feet from fist size to briefcase size coin caches (especially gold). Next, I'm going to research these to see how they compare.
WhitesTM 808 (2 box unit... large targets at four or five feet)
Whites Sierra Madre with +/- 25" coil
Garrett CX with depth multiplier
Garrett GTI 2500 with depth multiplier
Fisher Gemini
Discovery TF 900
Lorenz and Pulse Star (expensive high power P.I. made by Germans or Bulgarian version)
Schonstedt (magnetic locator for finding pipes)
WhitesTM 808 (2 box unit... large targets at four or five feet)
Whites Sierra Madre with +/- 25" coil
Garrett CX with depth multiplier
Garrett GTI 2500 with depth multiplier
Fisher Gemini
Discovery TF 900
Lorenz and Pulse Star (expensive high power P.I. made by Germans or Bulgarian version)
Schonstedt (magnetic locator for finding pipes)
I may be mistaken, but I think Whites had an older model - TM 800 or something, anyway, they had one of the units that had a "Cave" mode.
On the Sierra Madre, I think the 25" coil was offered separate and was available for a limited time. May be a few still floating around.
And for some reason it seem like there is another floating around out there thats not on your list. The older I get, the more it seems
On the Sierra Madre, I think the 25" coil was offered separate and was available for a limited time. May be a few still floating around.
And for some reason it seem like there is another floating around out there thats not on your list. The older I get, the more it seems
Here are my 2 cents. I have been cache hunting for 16 yrs and have used the Gemini 3, Garrett Two box attachment, Whites TM-800 and Whites TM 808.
ranking out of the 4
1: Whites TM-800 ( the previous model to the TM-808 made by Discovery who now makes the TF-900)
2: Gemini 3
3: Whites TM-808 (new circuit by Whites, since the patent was owned by Discovery)
4: Garrett hound dog
I have not used pulse induction units like Lorenz, etc but they should do better than all two boxes if used with the 3 x 3 foot or larger coil. but they are expensive.
I currently use an 18" coil that gives me VERY good results for large targets but also run around with a TM-808 ( only because I can't get a hold of an older 800)
magnetometers are very good, BUT only for iron or magnetic targets, so they will not detect the valuable metals unless inside a ferrous container.
your best bet if you do not want to spend too much money is a Discovery TF-900. This is similar to the older Whites TM-800 only they quit making it with a Needle gauge for signal strength. I spoke to the factory and told them they need to put it back on as the needle is more sensitive than sound for variations.
You will still need to have a loop detector to give size and shape to the object since two boxes act up around mineralized soil and are useless inside buildings and around any metal structures.
PS: forgot to mention, your XLT if well tunned should pic up a large ( 12" or larger target ) at 3 feet, even better with a larger loop. I am able to pick up such targets with a DFX. Ten feet is going to be difficult for a briefcase size target for any VLF detector ( loop or two box ) a good PI unit with a large loop might pick it up.
ranking out of the 4
1: Whites TM-800 ( the previous model to the TM-808 made by Discovery who now makes the TF-900)
2: Gemini 3
3: Whites TM-808 (new circuit by Whites, since the patent was owned by Discovery)
4: Garrett hound dog
I have not used pulse induction units like Lorenz, etc but they should do better than all two boxes if used with the 3 x 3 foot or larger coil. but they are expensive.
I currently use an 18" coil that gives me VERY good results for large targets but also run around with a TM-808 ( only because I can't get a hold of an older 800)
magnetometers are very good, BUT only for iron or magnetic targets, so they will not detect the valuable metals unless inside a ferrous container.
your best bet if you do not want to spend too much money is a Discovery TF-900. This is similar to the older Whites TM-800 only they quit making it with a Needle gauge for signal strength. I spoke to the factory and told them they need to put it back on as the needle is more sensitive than sound for variations.
You will still need to have a loop detector to give size and shape to the object since two boxes act up around mineralized soil and are useless inside buildings and around any metal structures.
PS: forgot to mention, your XLT if well tunned should pic up a large ( 12" or larger target ) at 3 feet, even better with a larger loop. I am able to pick up such targets with a DFX. Ten feet is going to be difficult for a briefcase size target for any VLF detector ( loop or two box ) a good PI unit with a large loop might pick it up.