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Garrett ATX Backpack Modification

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I determined that Garrett Infinium DD (not mono) coils work with the Garrett ATX. That opened the door for some kind of hip or chest mount. But the control box is large enough and with the handle sticking out not really working out the way I wanted in that regard.
A nice thing about the ATX is it retains all settings when switched off. So in any location it is just set and forget. The headphones have adjustable volume controls.
I went with backpack mount. I got a cheap but surprisingly nice backpack at Walmart for $20 that was the right size with extra pockets and well padded. I put the control box in nose first and punched a small hole in one lower corner pocket for the coil cable to enter the backpack. The cable comes around under my right arm. The headphones just route out top of the backpack zipper and to my left side. The headphones tuck into an exterior pocket for packing around and I could break the rod assembly down and stow it also if need be. The rods would stick out of the top of the backpack a bit but in reality I would just leave it assembled unless shipping.
The only thing I want to do now is use the headphone adapter dongle to rig an external speaker on one backpack strap near my ear like I do with my Minelab.
Kinda crazy doing this but bottom line is it is sweet. I hope to get out in a few days and give the new setup with 10" x 5" DD coil a spin prospecting. I ran the rig for two hours in a tot lot and it was great. Very sensitive to tiny targets. The coil does not false when knocked about like the stock ATX coil. Should be an excellent prospecting setup for rough terrain.


Coil and rod part numbers at https://www.detectorprospector.com/magazine/steves-reviews/garrett-atx-metal-detector-accessories/






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Nice adaptation for land use. Might be worth mentioning that a TDI has comparable performance (maybe not on the smallest gold) and is available used for well under $1000 ($600 - $700 is common). It can be mounted wherever you want.

Steve has one and - not saying that one is better than the other - it is a worthy alternative.

I look forward to further developments - maybe a water version of the TDI and a land version of the ATX.

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Guest Paul (Ca)

Looks great Steve,


You're set backpack and all ready for serious hunting.


You're right on the Infinium DD coil, It works great I've been using my infinium DD more so than the stock it's a keeper hopefully Garrett adds this coil to the ATX line.


Paul (Ca)

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Hi Keith,

Yes it does though how trustworthy the iron check is has yet to be determined. I actually got out and got some time in on real gold ground today with the backpack setup. As set up cable length is fine but a bit short if I try and do a long reach under brush. The machine ran extremely well on red ground, full gain rock solid threshold and no coil falsing. The detector once ground balanced acted like the ground was not there. May as well have been waving the coil in the air. The machine was scary stable and way, way more pleasant to use. I did not find any gold but did find a number of .177 airgun pellets. Pretty small target.

The ground was steep, 45 degrees or more in places. Lots of rocks and brush. I would not have liked the full ATX here on my arm at all and the stock coil would have been hard to maneuver. The backpack version with smaller coil was perfect for this scenario.

Looking better all the time.

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