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Whites TDI SL
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Minelab XT 18000


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Minelab XT 18000
Feature comparison between Whites TDI SL and Minelab XT 18000
Options Whites TDI SL Minelab XT 18000
Detector Type Nugget Detector Nugget Detector
Price $1250 $850
Manufactured in 2011 1997
Battery Type 8 AA
Weight (Lbs.) 3.5
Operating frequency 6.4, 20, 60 kHz.
Display None
Backlight No
Target ID Audio
Tone ID
Search Modes
  • Motion Detector
  • Ground Adjust
  • Discrinination
Ability to change coils Yes
Ground balance Auto
Waterproof Coil only
Warranty 2 Years
Number of Reviews graph 2
graph 1
graph 2
Avg. User Rating 3.00 5.00
Avg. Durability Rating 4.50
Avg. Ease of Use Rating 4.00
Avg. Depth Rating
Depth value
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Most helpful review for Whites TDI SL

TDI SL, where's the beef?
Folks,

I have used all three models of the White's TDI and still have a couple of units. The SL works, but disappointingly nowhere near the depth of the other two models. Have have both the 7 and 12 dual field coils. The 7 inch was just plain sad on this detector, many of my VLF detectors are more responsive.

Do not get me wrong, I use and have many White's fine machines, but this one needs much more to be a winner in my book.
Mick from San Francisco

Thumbs up! 31
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Most helpful review for Minelab XT 18000

The xt18000's
These are simply the best Minelab gold VLF's that were made. But there are two different models of the XT18000, the early and the late, and they are vastly different units.
The 'early' 18000's have a very loud audio and a terrific sensitivity to them in both the 60khz and 20 khz frequency's. You can actually "feel" the 60khz penetrating into and feeling it's way amongst the dirt, but not very far, only an inch or so, which in this frequency ( as in all very high frequency detectors ) is about all the depth they will get you on very small pieces of gold. The 60khz will hit on larger pieces a bit deeper though, but not much deeper. The 20khz an allrounder.

The 6.4khz on these models however is a very dull frequency and only suited for the big coils and thumbnail size targets and up. The early models would blank out and shut down over very large surface targets and severe ironstone outcrops etc.

The later model XT18000's, which have a white stripe on the tone dial and had the box bracket mounted under the forearm, had a very low audio. Pathetically low. What they did have though, was a fantastic "audio supression" in them. This meant that they would not blast your ears over large targets. But the best thing with this new audio suppression was that when worked with a good signal enhancer, the threshold could be brought way up into your ears to judge slight dropout's and rises in the threshold ( meaning very deep targets could be heard quite distinctly ) but large surface targets dulled down to protect your hearing.

The 20khz and 60khz on these later models were some how not as sensitive as on the early models....But....The 6.4khz was much more sensitive on them than the earlier model. A real killer on smallish and deep targets.
On my late model unit I can run the big 14.5" WOT coil along the side of a car and drop off the other end and the detector recovers itself instantly. Amazing detector.

The automatic ground balancing on these units leaves the auto tracking on detectors like the Lobo supatrack and MXT's and GMT's for dead in hot ground. That is the truth...Whether the Whites or Tesoro dealers like it or not.
I have made many good gold finds with my 18000's and cannot recommend them highly enough to other detectorist's for gold detecting.

I hope this helps someone.
Dual Ace from Victoria, Australia

Thumbs up! 111
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