Quality Built Metal Detectors Backed With A Lifetime Warranty

35 Years Of Quality Metal Detectors

Less ground effects.
Always light-weight.
Better coverage and depth/sensitivity balance.

S-11X8W-SW-E S-11X8W-SC-D

We are proud to introduce RSD, or "Responsive Signal Design". This design is incorporated in our new 11" X 8" Wide scan coil. With RSD technology you can give your detector the best advantage possible for those heavily mineralized sites. As an accessory coil you can breathe new life into an old detector.

These great new coils are available in our DELTA and EPSILON families so you can try it regardless of which Tesoro model(s) you have.



5-pin white coil.
Epsilon coils work on these Tesoro detectors:
4-pin carbon coil.
Delta coils work on these Tesoro detectors:
Available with a 3' short or 8' long cable
MSRP $149.
Available with a 3' short or 8' long cable
MSRP $159.

Click here to see videos demonstrating the improved performance of our new RSD Technology.

Not sure about ground balancing? Click Here to see a simple demonstration.

"As the Spaniards were yesterday's undisputed masters of treasure hunting, we at TESORO will always endeavor to meet our goal of making TESORO Metal Detectors today's undisputed masters of treasure hunting." -Jack Gifford (1980)

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