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My 6" 3kHz "Digger" Coil Review
Posted by: Old Longhair
Date: December 16, 2012 08:30PM
FWIW......

Hallelujah!
The new 6 inch "Digger" 3kHz DD coil has finally come to fruition! For some time now Xterra users have had only one 3kHz coil to use, a Minelab made 9" concentric, but we yearned for more. I've dreamt about a small deep running coin blaster that could sort through debris strewn sites, that also has a solid bottom for hunting sites that have things to hang up on. Coiltek's new "Digger" fits that bill to a tee!

My first outing with the new 6" LF DD was to a site that is a terrible place to hunt....an acid test. The place is so littered with odd bits of trash that it is virtually un-hunt-able with many setups, and I've patiently hit it with all that I've had. I knew that there wouldn't be much there to find, but the first target dug was a 1941 Wheat penny. I continued and found a few more coins, but more to the point it wasn't near as taxing to hunt there as before. Getting ten or so hits per swing is tough enough to hunt in, so a coil that can separate well and still distinguish between good targets and bad was what I hoped for, and it's what the "Digger" delivered.

One of the things that I noticed was that the TID numbers registered pretty consistently one notch higher than I was used to...no big deal. Another was that if I got a high tone that changed to a low tone with subsequent sweeps, it was an indication to me that I was swinging too fast and needed to slow down. It's easy to lose track of how much you're asking of a little coil, and swing it too fast. The same 3-4 seconds per swing is required to keep the coil working with the machine for optimum depth, accuracy, and maintaining stability. Until you've slowed way down, do not lower your sensitivity to gain stability.

The second site that I took "Digger" was a private residence. A farmhouse built in the 1850-60's that I'd never been to before....going in blind. What could be fairer? The home had been recently re-sided, and was re-roofed a couple months ago, so I knew that trash near the house would be fierce and it was. Again, the first target dug was the best of the hunt. A catalogued Civil War Storecard Token from 1863 (fuld 525c).



As I was hunting, a neighbor came over and told me that he and several others had already hit that site, and that I likely wouldn't find much. I smiled and just said,"You never know", and continued on. The next find was a Sterling mare and foal pendant, followed soon after by a dateless Standing Liberty quarter (only minted 1916-1930) that was on edge right along side of a rusty bolt.



I went on to find a few Wheat pennies and a '37 Winged-Head Liberty dime, so in my mind the hunt was a success.

I wanted a coin killer and I got one. This coil @ 3kHz slams high conducting copper and silver like no other. And discerning iron from good targets is easy, even if it is a persistent high TID, because coins have a very clear, clean, distinct sound. If a target tone breaks, warbles, is faint, or sounds scratchy, it's trash. There is very little "iffy" about this coil.

From my point of view, the worst aspect of this coil is it's inability to reliably respond to nickels. Not that you can't find nickels with it, because I have, but I have to chalk that up to instinct or intuition rather than the TID. It either sounds like a coin or it doesn't.

The Coiltek 6in "Digger" has proven itself to me, and I thank Coiltek, Minelab, Randy Horton (A.K.A. Digger), and all involved with making this great little coil happen. It's a winner!



Ingham County, Michigan


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Re: My 6" 3kHz "Digger" Coil Review
Posted by: ramairnut
Date: December 16, 2012 10:56PM
Great review, great finds!:clapping: This will be my next coil. Just hunted a small, trash littered park today. I did okay with the 9" but that "Digger" coil would have been the ticket.

Re: My 6" 3kHz "Digger" Coil Review
Posted by: digadime69
Date: December 17, 2012 06:47AM
If i may what is the cost of the 6" coiltek? Don

Re: My 6" 3kHz "Digger" Coil Review
Posted by: digadime69
Date: December 17, 2012 06:52AM
OK will reword the Q. How much Inquiaring mind wants toknow. Don

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Re: My 6" 3kHz "Digger" Coil Review
Posted by: Old Longhair
Date: December 17, 2012 07:15AM
Quote
digadime69
If i may what is the cost of the 6" coiltek? Don
I've heard different prices from different parts of the country to this point. It may be because it's still so new and not readily available yet, so calling around to more than one site sponsor might be a good idea. In any case, you should be able to find one in the $200 neighborhood, and likely a little less. It's within the usual range of the Minelab produced coils for the Xterra.



Ingham County, Michigan

Re: My 6" 3kHz "Digger" Coil Review
Posted by: digadime69
Date: December 17, 2012 07:54AM
Thanks longhair. Don

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Re: My 6" 3kHz "Digger" Coil Review
Posted by: Mark in S.E. IA
Date: December 17, 2012 06:14PM
I think I know of a few places where that coil would come in handy.

Thanks Longhair for the review.....



HH
Mark

Etrac

X-505
10.5 DD 7.5 coil

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Re: My 6" 3kHz "Digger" Coil Review - made a sticky....
Posted by: Digger
Date: December 18, 2012 07:03PM
Thanks for the report Old Longhair. Nicely done! And thanks for helping out with the Field Tests. As we've both noted, the response on lower conductive targets is not as "HOT" as with higher conductive targets. But recognizing the differences within the X-TERRA frequencies, that was somewhat expected. I have to hand it to Coiltek for "sticking with us" through Field Testing the various prototypes, and rewriting the software in this coil. Thanks again for your time and efforts. X-TERRA users will benefit from your experiences. HH Randy



You'll never know for sure......unless you dig it! HH "Digger"




After more than 46-years of detecting, and having owned dozens of different detectors, I've come to the conclusion that maintaining success in the field is largely dependent on three things..... choice of site, acquiring a proper skill set for the detector and the detector itself..... in that order. Research, practice and persistence. There are no substitutes.

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Re: My 6" 3kHz "Digger" Coil Review - made a sticky....
Posted by: Old Longhair
Date: December 19, 2012 09:16AM
Thank YOU Randy....Master of the science!

There is one other thing that I wanted to mention about this handy dandy little coil.
I know that all of us have different hunting styles and preferred sites, so with that in mind, and knowing that some might want to hunt in totlots, I ventured into one to see how the "Digger" would react when working near the equipment. As hot as it is, I was suprised at how close I could get to metal structures. Depth in the wood chips was impressive too. Working under swings and such was no problem, and it wasn't as prone to picking up the chains and hardware above it as I feared that it might.

If it were my style to hunt these sorts of places, I'd be sure to have a small HF DD and this coil. It would be a killer combo. The HF to sniff out gold and coins in fairly iron free areas, and the LF for whacking silver jewelry and coins in heavier trashy places where digging low conductors would be too labor intensive and/or time consuming.



Ingham County, Michigan


Re: My 6" 3kHz "Digger" Coil Review
Posted by: rjsupersonic
Date: December 19, 2012 10:22PM
Thanks for the excellent review!!:minelab:

Re: My 6" 3kHz "Digger" Coil Review
Posted by: Coiltek
Date: December 20, 2012 05:33AM
Great report Longhair, we certainly appreciate the information that you and Randy provide not only to us, but to the whole XTERRA community.

We love the fact that you enjoy using our coils and also enjoy hearing how it helps the ability of the detector when hunting. If it were not for the excellent Minelab machines we would not be able to produce these products.

You know, I love using the coils I make but get real satisfaction when I see others enjoying the coils too.

Keep up the good work and from all of us at Coiltek, have a safe and Merry Christmas and a happy New Year!

Regards,Trevor

Re: My 6" 3kHz "Digger" Coil Review
Posted by: ddcarr
Date: January 05, 2013 08:29AM
Yes, Great Review! I have used my 705 for two years now with the high frequency coil and have done well finding gold nuggets in a heavily searched area. I have used it less for coins but had good success when I did. I have the Explorer II for coins but now am thinking of picking up the "Digger" for use with the 705 for a backup on long trips if the Explorer II would crap out.

Thank you for the great report!

ddcarr

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Re: My 6" 3kHz "Digger" Coil Review
Posted by: TURNMASTER
Date: January 14, 2013 09:14PM
I want one of those coils, bad. But , alas (said with heavy sigh), I have to wait for things here to settle down and the cash flow to smooth out.

Glad you are hitting with it.

Jeff



TURNMASTER
Does "Just my two cents" have the same meaning on a treasure hunters forum?
X-Terra 705 & AT Pro

Oldest coin; 1895 Indian Head Penny

Re: My 6" 3kHz "Digger" Coil Review
Posted by: jspoon
Date: February 17, 2013 07:10PM
Where can I get one? After todays hunt the trash was driving my 505 crazy.
Thanks HH

Re: My 6" 3kHz "Digger" Coil Review
Posted by: Firefighter42
Date: February 17, 2013 09:14PM
I believe Bigboyshobbies.net has them in stock now. HH



Tesoro Silver ╬╝MAX

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