Anyone use the Detech 15″ Ultimate DD Coil for gpx?

[erte]

how's it compare to minelab 11'' dd coil, depth increases?
thanks

 

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[Mach1Pilot]

It has a tremendous depth increase on relics..... rivaling the 18" DD Commander in the depth department. Some will say it even exceeds the 18" Commander's performance in the r right conditions.

If there is one downfall with it though, is that its very heavy.