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|Options||Whites Sierra Super Trac||Whites MXT Tracker|
|Battery Type||8 AA||8 AA|
|Operating frequency||15 kHz.||14 KHz.|
|Tone ID||7 Tones||Single Tone|
|Ability to change coils||Yes||Yes|
|Waterproof||Coil only||Coil only|
|Number of Reviews|| 5
|Avg. User Rating||4.57||4.63|
|Avg. Durability Rating||4.57||5.00|
|Avg. Ease of Use Rating||4.57||4.40|
|Avg. Depth Rating|
Most helpful review for Whites Sierra Super TracSierra super trac
I've had my Sierra Super Trac for two weeks now and I'm pleased with its performance. It's very simple to operate and I've found a handful of coins and sterling silver ring at some local parks in my area. There's no discrimination except for your own eyes and ears. True, it gets a little noisy in the headphones but with tone I.D. You can almost hunt blindfolded. All I can say is so far so good and I'm glad I made the purchase.
Chris Mayer from Folsom, CA.
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Most helpful review for Whites MXT TrackerKnow the MXT Facts
The MXTs are great machines and I see someone here has spent a lot of effort putting them down.
So heres the facts according to the man who designed it, In 1998 was when the MXT hit the drawing board as true multi purpose machine.
As a result of the massive amount of work that went into the design they had enough to build another machine, and so the GMT Goldmaster was born, and as work and fine tuning went on the final product was the MXT released in mid 2000.
Most of what is in the MXT is all new not borrowed from the GMT, remember the MXT was being built first. The Tracking system and the Iron grunt are the only things they share, the V-SAT system in the MXT is all new and so is all the rest of the software.
The reason the MXT is a little noisy is because you need the high gain to find tiny nuggets and hence the +1,+2,+3 area on the gain dial, and from the preset downwards is the normal gain area and seeing as coins are bigger than tiny nuggets there is no reason to use the +1 etc area of the gain but that is your choice, and the only other place that you would need that kind of high gain is in Europe when looking for thin hammered coins if the ground allows,
but in the US this is just a matter of choice of do you want to run your machine that hot and most of us do love that power.
I have used that machine in Iron infested sites with over 3500 years of junk polluting the ground, and I have used the minelabs that you talk of and they are great machines, but they don't work very well in these iron filled sites because of their recovery speeds and their lack of sensitivity to gold.
The MXT is a machine that you can take to the four corners of the world and know you have'nt left much behined, And back to the high sensitivity thing again as another wise person said here just because its there you don't have to use it but its nice to have it in reserve, with the gain set to 7.5 using the 300 coil I saw a person find and dig a English half penny at 11 and a half to 12" and I measured it with a ruler and that is about half way on the gain knob, so believe me it is deep, and it still has the best tracking system available.
So don't worry about machines that are no longer made. You can find the truth about who, how and why the MXT was built
if you go to Whites site and click on the MXT then click on documentation and read the engineers report by the man who built it.
MR Dave Johnson who is also responsible for building over 17 of the most popular machines from at leased the last two decades, and I'd like to thank all you people who wrote reviews here because you all helped me buy my MXTs many moons ago and I wish you all the best, and thank you to the owners of this site for being so helpful.
John.W from London
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