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7" Concentric or 5x9 DD in horrible soil


New member

I hunt in old ghost towns, littered with nails, flat iron, with loads of coal and coke mixed in.

Sounds lovely doesn't it!

I was wondering which type of coil you think would work the best?

Thank you!


Well-known member
... or homesteads, pioneer and military encampments, stage stops, gold mining camps and towns, logging camps and towns, and other similar sites that abound with nails and other debris, many with an abundance of rusty tin. To best handle the densely littered sites and also deal with brush, weed growth and building rubble, I keep smaller-size search coils mounted on all my detectors for full-time use.

My Makro Racer 2 has the 7" Concentric coil mounted and ready-to-go, and it serves me well for the bulk of my needs. I do have a smaller 'OOR' DD mounted on a spare lower rod in my Accessory Coil Tote for really nasty conditions, but get along just fine with the 7" Concentric most of the time. This coil is really good at audibly and visually classifying rusty tin which is the most annoying trash out there.