X-TERRA 30

Treasure Talk blog posts on the X-TERRA 30

Coiltek 15-inch ALL TERRAIN coil for the X-TERRA Series – Part 1

July 21, 2011 05:31pm

Coiltek Manufacturing recently invited me to help field test a new 15-inch ALL TERRAIN 7.5 kHz coil for the X-TERRA Series. Having been involved in field testing the first series of the X-TERRA Series for Minelab, and recognizing the number of X-TERRA users who had expressed their interest in a large Double-D coil, I welcomed the opportunity. I’m familiar with Coiltek products, having used several models on various detectors. So when I opened the box and saw the large, round, 15-inch Double-D coil designed for the X-TERRA, the orange color did not surprise me. Instead...

Posted by Randy Horton on July 21, 2011 05:31pm | 0 Comments

Large X-TERRA coil - The wait is over!

July 15, 2011 01:52pm

For several years I have been receiving regular emails from X-TERRA users asking, “When will Coiltek release a coil to suit my detector?”. We have listened to these requests and I am now pleased to announce that the wait is over!

In a collaborative effort with Minelab, we have produced a 15-inch ‘All Terrain’ X-TERRA 7.5 kHz (medium frequency) Double-D coil that is fully compatible with Minelab’s VFLEX technology.

Posted by Trevor Ferraresso on July 15, 2011 01:52pm | 3 Comments

Understanding your X-TERRA eBook

June 02, 2011 09:50am

I've been metal detecting since 1972. I like to hunt for old coins at old sites, with the term "old" being relative to where I live. During that time, I've owned and used just about every land detector that hit the market. As time went by, like many of you, I found many of the "old reliable" sites that I hunted were producing fewer and fewer good coins. When Minelab included me in the original field tests for the X-TERRA, I had high hopes that this new technology called VFLEX would increase my finds. As soon as I got the X-TERRAs out in the field, I knew I had my hands on something special.

Posted by Randy Horton on June 02, 2011 09:50am | 22 Comments

X-TERRA - Which frequency coil should you use?

January 07, 2011 01:15pm

Well, it all depends on what you are looking for? There are three frequencies available: (1) Low, (2) Medium & (3) High.

The Low Frequency of 3kHz would be well suited to searching out metals of a high conductivity such as copper and silver coins. It might be considered a good cache hunting coil. Useful also in hunted out parks for deeper silver coins which are masked by trash items.

The Medium Frequency of 7.5kHz is...

Posted by Des Dunne on January 07, 2011 01:15pm | 3 Comments

X-TERRA... Controlling the search coil

January 04, 2011 10:10am

When it comes to sweep speed, the X-TERRA is a very forgiving detector. You can operate with a relatively quick sweep in wide open areas, and slow down when targets are abundant. But to gain a better understanding of how sweep technique may affect the quantity of our finds, let's first analyze the field of detection for both the X-TERRA Concentric coils and the Double-D coils.

Based on my field analysis, with the center of the coil as the "hot spot", I find the field of detection for a Concentric coil will go "straight down" until you reach approximately 55 - 60% of the maximum depth for a specific target. In other words, if you are capable of detecting a target at maximum of 10 inches, you will find the circular field of detection begins to narrow at the 5.5 to 6 inch depth level.

Posted by Randy Horton on January 04, 2011 10:10am | 2 Comments

Hunting by ear... Audio tones on the X-TERRA

December 06, 2010 10:08am

With "old" being a relative term, I hunt for old coins at old sites. The part of the world that I live in wasn't settled until the mid 1850's. So finding coins older than 1900 is considered to be a good hunt. Many of my favorite spots to detect are old homesteads and farm sites. With the houses and out buildings long gone, to the passerby, most of these places look like any other corn field in this part of the Country. Pieces of brick, stone, glass and pottery are some of the things that I look for when wandering across these corn fields. And when I start hearing the low tones produced by nails and other "farm trash", I know I'm getting close to where I want to be...

Posted by Randy Horton on December 06, 2010 10:08am | 11 Comments

Notch Discrimination on the X-TERRA - Ever wonder what you're missing? Part 2

October 06, 2010 11:34am

Part One of this blog post described how the X-TERRA categorizes targets, based on their conductive values. In Part Two, learn how to increase your opportunity to detect jewelry and old coins by modifying the preset Patterns.

Now that I've outlined how the ferrous vs. conductive properties are represented by the visual and audio TID, let’s evaluate some targets. If you turn your X-TERRA 70 or 705 to the Coin/Treasure Mode, and set it to hunt in factory preset Pattern 2, you will be rejecting notch segments -8, -6, -4, -2, +2, +4, +6, +14, +16, +18, +20, +22, +24, +26 and +48. You will be accepting notch segments 8, 10, 12, 28, 30, 32, 34, 36, 38, 40, 42, 44 and 46. Those of you who have performed target ID tests with your X-TERRA know that this setting will accept U.S. pennies, nickels, dimes, quarters, half dollars and dollar coins. A Coin hunters dream?

Posted by Randy Horton on October 06, 2010 11:34am | 5 Comments

Notch Discrimination on the X-TERRA - Ever wonder what you're missing? Part 1

September 24, 2010 03:31pm

A guide for US coin-shooters
A metal detector does exactly what the name implies. It detects metals. Set to accept everything, you will find nails, foil, pull tabs, jewelry, coins, tokens, relics etc. Anything that is metal. In order to avoid digging those targets you don't want to dig, we implement a feature known as discrimination. Metal detector discrimination is basically the same for all makes and models. Some may do it better than others, but the theory is universal. Simply put, discrimination is the ability to adjust your detector so that it accepts most of the targets you want to dig. And, rejects most of those targets you don't want to dig.

Posted by Randy Horton on September 24, 2010 03:31pm | 9 Comments

Don't forget Factory Preset!

September 20, 2010 01:50pm

I have heard from some users that have tied themselves into knots when trying to find the best settings for their detector. This can happen because there are some combinations of settings that don’t work well together and there are some lesser used settings that you may have set and then forgotten to check.

In these cases please remember to perform a Factory Preset. This will return your detector to the settings that it contained from the factory.

Posted by Phil Beck on September 20, 2010 01:50pm | 7 Comments

X-TERRA Coil Range

September 13, 2010 11:02am

Why are there so many coils available for the X-TERRA series of detectors?
Good question.

Currently, there are eight coils available to suit your X-TERRA detectors.
All of them do mostly the same, detect metal but a few of them are ‘specialist’ coils more suited to a few tasks “the Pros” or seasoned hunters indulge in!

While there is absolutely nothing wrong with the “stock 9 concentric” that comes as standard kit with a lot of X-TERRA’s, the option to customize your detector without shelling out buckets of money is offered through what’s termed as VFLEX technology available only on the X-TERRA range.

Posted by Des Dunne on September 13, 2010 11:02am | 0 Comments

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