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Early Air Test On Nox 6 Inch Coil Compared To 11 Inch Coil


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Here is my air test on the Equinox 800 comparing the 11 inch stock coil to the 6” coil.

Did a factory reset and set sensitivity to 21, recovery speed to 6. Iron bias of 6.

Setup and methods: I set the coils on an all plastic child’s picnic table to eliminate any metal. Swept the table to determine there were no metal objects in the table.

Use a yard stick butted up against the base of the coil. My depth measurements were taken when the TID numbers for each metal object started going from a strong signal to an iffy signal. My hand sweep was done to replicate the normal sweep of a coil passing from left to right and back over the metal object.

I am a relic hunter mainly interested in Civil War items and only had three three ringers to test along with some silver coins. The results below are only for the .57 caliber. Not much difference in the slightly smaller calibers.

Below are just some preliminary tests and not the whole combinations of different items on all different hunting modes.

6” coil

.57 caliber bullet at 4 inches rang up a 19 in the park1 mode.

.57 caliber bullet at 5.5 inches rang up 16-19 in the park2 mode.

.57 caliber bullet at 6.5 inches rang up 16 in the gold2 mode.

 

11” coil

.57 caliber bullet at 8 inches rang up a 16 in the park2 mode.

.57 caliber bullet at 10 inches rang up 16 in the gold2 mode.

 

6” coil

Standing liberty quarter 4.5 inches rang up  29 in park2 mode.

Barber dime 3 inches rang up 21-22 in park1 mode

Barber dime 6 inches rang up 22 in park2 mode

 

11” coil

Standing liberty quarter 10 inches rang up 25 in gold2 mode.

Barber dime 7 inches rang up 21-22 in park2 mode.

Barber dime 8.5 inches rang up 21 in gold2 mode.

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  • 2 weeks later...

2 hours ago, BeachHunter said:

Thanks for posting this comparison. I’m surprised the 6” didn’t test deeper.

 

On 7/25/2018 at 6:05 PM, maxxkatt said:

6” coil

Standing liberty quarter 4.5 inches rang up  29 in park2 mode. 

 Barber dime 6 inches rang up 22 in park2 mode 

I don't interpret what maxxkatt posted as depth limit.  No way a silver dime can be detected deeper than a silver quarter under the same conditions.  (Now someone is going to stack a bunch of quarters, fail to turn off the discriminator, and claim you can.  ? )

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