Will the 3kHz X-TERRA coil see a gold ring???

[Gary in Pennsylvania]

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In other words....I like the idea of the 3kHz coil being a silver sniper.

But will the 3Khz coil still see and sound off accurately to a gold ring 6" down?
I won't be doing any gold prospecting......and my intended target isn't small grams of gold.
I want to shoot coins and jewelry.


If any of you do an airtest wave with your wedding band 6" from the 3kHz coil....does the X-Terra 70 sound off with a tone that can be distinguished from other tones?
Does gold still have a 'signature' at this low frequency?

Thanks!

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[sniffer]

most gold detectors run at a high frequency, while it's not impossible to find gold, with the low frequency, it would make it a lot more difficult

 

[vondrewvious]

It absolutely will. I have found many, many gold rings with mine. That is like saying that the 18.75KHz will not find a silver coin. Metal detectors by nature love round objects.
Yes the ring will have a sound of its own.

Also, air tests mean squat as to how a machine works in the ground.

 

[Gary in Pennsylvania]

It absolutely will. I have found many, many gold rings with mine. That is like saying that the 18.75KHz will not find a silver coin. Metal detectors by mature love round objects.
Yes the ring will have a sound of its own.

Thanks vondrew! I order my Minelab 705 next week and have been hemming & hawing over whether I wanna pick up a 3kHz coil as well.
And I will be getting one.

Also - I simply CANNOT find the thread about it - by I remember reading how a TN member set up a 'portable' test garden by taking KNOWN targets and sealing them between two strips of duck tape about 25in apart or so. He then fastened these test strips to a durable (canvass) fabric sheet. Rolls up nice and neat and it's portable.

I'll make one of these with what few targets I already have so that I can test how the two coils act according to target (7.5kHz vs. 3kHz)

I am TOTALLY excited about getting my new MD!

Also, air tests mean squat as to how a machine works in the ground.

So I've read.......but one of you fellas would be more likely to do a quick air test to confirm that the 3kHz coil will at least register a gold ring as opposed to going out and burying it for a test.


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[johnnycat]

Not only will you be excited with your new X-terra but, you will be surprised how user friendly it will be. And oh so versatile. Just wait until you hear the sweet tone it gives you on a quarter.

 

[George (MN)]

Gary, I think it works something like changing the frequency you gain or lose
an inch or so, depending on the object.

The stock 7.5 kHz coil would be a compromise for tolerable coin & gold results.

The 18.75 kHz would give the best results for gold & nickels, the 3 kHz the best results
for high conductors like silver.

So I guess 7.5 kHz best if you can only go over an area once. If you can return to the area a few times, you might want to go over it with 18.75 kHz & 3 kHz coils to get everything this detector can reach. HH, George (MN)

 

[Gary in Pennsylvania]

The 18.75 kHz would give the best results for gold & nickels, the 3 kHz the best results
for high conductors like silver.

So I guess 7.5 kHz best if you can only go over an area once. If you can return to the area a few times, you might want to go over it with 18.75 kHz & 3 kHz coils to get everything this detector can reach. HH, George (MN)

MAN!!!!! I’M GOING NUTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


I have the cash in hand to order my X-terra 705 RIGHT NOW.

I was hoping to pick up a 3kHz coil and use that as my PRIMARY coil. See the silver crystal clear. Still see gold rings & nickels....it'll just sig differently that if it were wearing a 18.75kHz coil.
I'm primarily shooting coins and jewelry. All metal with a 3kHz U was figuring will clean up.

WHAT TO DO!!!!!!!!!!!!!!!!!!!?!!!!!!!!!!!!!

 

[cosmic]

Medium mens gold wedding band 14 on the 3KHz's coil.. Does that help?

 

[vondrewvious]

Gary, Your making yourself crazy. If you concentrate on getting the coil over good areas, you will hear the objects. Just get the machine for now then try a 3KHz later if it's that big of an issue.