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Tesoro is the Spanish word for treasure. Founder Jack Gifford chose the name and the conquistador for the company logo over 20 years ago because, in Jack's own words: "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." Today, Tesoro Electronics remains a family business. Tesoro's lifetime warranty covers defects in material and workmanship for as long as the metal detector is owned by the original purchaser. Tesoro detectors are Made in the USA. Gold Rush Trading Post is not an authorized warranty center for metal detectors; products must be sent to the factory for repairs. To learn more about Tesoro's warranty and products, and to read customer testimonials and field tests, visit www.tesoro.com  Click on metal detector photos below for more details and larger image.

Metal detectors priced $350 or more ship for FREE!
    Tesoro Outlaw Metal Detector
    Reg. Price:
    $515.00
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    $437.75
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    $77.25

    FREE shipping!  Tesoro Outlaw Metal Detector

    Tesoro Outlaw Metal Detector
    Reg. Price:
    $649.00
    Sale Price:
    $551.65
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    $97.35

    Tesoro Outlaw 3 Coil Metal Detector - FREE SHIPPING!

    Tesoro Cibola Metal Detector
    Reg. Price:
    $425.00
    Sale Price:
    $361.25
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    $63.75

    Tesoro Cibola Metal Detector

    Tesoro Compadre Metal Detector
    Reg. Price:
    $189.00
    Sale Price:
    $165.50
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    $23.50

    Tesoro Compadre Metal Detector

    Tesoro Cortes Metal Detector
    Reg. Price:
    $849.00
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    $721.65
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    $127.35

    FREE shipping! Tesoro Cortes Metal Detector

    Tesoro DeLeon Metal Detector
    Reg. Price:
    $599.00
    Sale Price:
    $509.15
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    $89.85

    FREE shipping! Tesoro DeLeon Metal Detector

    Tesoro Lobo SuperTRAQ Metal Detector
    Reg. Price:
    $799.00
    Sale Price:
    $679.15
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    $119.85

    FREE SHIPPING! Tesoro Lobo SuperTRAQ metal detector

    Tesoro Sand Shark Metal Detector
    Reg. Price:
    $679.00
    Sale Price:
    $577.15
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    $101.85

    FREE SHIPPING! Tesoro Sand Shark Metal Detector with Headphones

    Tesoro Metal Detector - Silver uMax
    Reg. Price:
    $299.00
    Sale Price:
    $254.15
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    $44.85
    Tesoro Silver uMax Metal Detector
    Tesoro Tejon Metal Detector
    Reg. Price:
    $699.00
    Sale Price:
    $594.15
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    $104.85

    FREE shipping!  Tesoro Tejon Metal Detector

    Tesoro Tiger Shark Metal Detector
    Reg. Price:
    $749.00
    Sale Price:
    $636.65
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    $112.35

    FREE SHIPPING! Tesoro Tiger Shark Metal Detector with Headphones

    Tesoro Vaquero Metal Detector
    Reg. Price:
    $525.00
    Sale Price:
    $446.25
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    $78.75

    Tesoro Vaquero Metal Detector - FREE shipping!

    Tesoro Authorized Dealer

    More about Tesoro Electronics, Inc.

    Tesoro was founded in 1980 by Jack and Myrna Gifford in Phoenix, Arizona. Jack  is an electrical engineer and got his love of treasure hunting from his grandfather, Morgan Gifford, who had staked his own gold mining claim at the turn of the 19th century. When Jack and Myrna had two sons, Vince and James, the boys inherited the family love of treasure hunting and know-how about electrical engineering. Since 2004, Vince has been running Tesoro as president and owner. Under Vince's leadership, Tesoro remains a family business that continues to utilize tried and true technology that has always worked. The company takes pride in designing and manufacturing metal detectors that are light weight, reliable, and effective. Life time warranty. Made in the USA.

    Is a crystal-controlled metal detector better than one that is not crystal-controlled?
    Most metal detector manufacturers use crystal resonators in their machines because of the tight tolerances of the resonator. If the part is listed as 15.7 kHz, all parts will be exactly that frequency. The downside of these super tight tolerances is that the detectors are more likely to crosstalk with each other. In other words, the transmit and receive signals from two or more different machines will start interfering with each other.

    Tesoro metal detectors use an LC or tank circuit to generate operating frequency. A capacitor and an inductor are paired together and create a naturally occurring efficient frequency. Variation in the capacitor and inductor cause slight variations in the operating frequency, which reduces the likelihood of crosstalk with other Tesoro  metal detectors. The variation is small enough that it does not affect the performance of the detector.