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    • By Steve Herschbach
      The Tesoro Pantera is a VLF discriminating metal detector that was produced around 1990 by Tesoro Electronics. It had a cult following due to its proficiency in extracting non-ferrous targets from dense ferrous trash. Information on it is rare so I am reproducing the material from the catalog page below. Instruction Manual at tesoro.com

      GENERAL DESCRIPTION
      The Pantera is a high performance VLF metal detector which is capable of rejecting ground mineralization and buried metallic trash simultaneously. It includes Notch Discrimination so that most common pull tabs can be rejected without losing nickels and small gold rings, or so that only a particular band of desired targets will be detected. Notch Tone Target ID provides a low tone for targets below the Notch Level setting, and a higher tone for targets above the Notch Level setting. Design emphasis was placed on performance and ease of use, while minimizing or eliminating those troublesome adjustments that could cause a loss of performance if not used properly.
      The Silent Search Discriminate Mode is based on motion, which means that the search coil must be moving slightly to detect a target. The motion required is so slight that pin-pointing is possible in this mode, however a No Motion pin-point mode is included, which with the 8 inch open center search coil makes pin-pointing a very simple task.
      A Ten Turn Ground Adjust control is used, which allows the detector to be adjusted to virtually any type soil. This control allows the operator to get the absolute maximum performance from this detector.
      The unit is furnished with an 8 inch open center concentric search coil. We feel that this coil will provide excellent performance in most situations. The open center greatly simplifies pin-pointing.
      The detector can be used as a pole mounted arm rest unit, or as a body mount unit. It can be converted easily without tools.
      SPECIFICATIONS
      Operating Frequency ......................... 12 kHz
      Coil Size ............................................. 8" Diameter
      Coil Type ............................................ Concentric
      Audio Frequency      Hi Tone............. Approx. 800Hz
                                          Low Tone......... Approx. 600Hz
      Audio Output .................................... 1½" speaker and
                                                                       ¼" stereo earphone jack
      Weight .............................................. Approx. 3½ pounds
      Battery Requirements ..................... 12 volts DC
                                                                      (8 AA penlight batteries)
      Battery Life ...................................... 15-30 hours
      Optimum Temperature Range ........ 30° F to 100° F
      Optimum Humidity Range ............... 0 to 75% R.H.
      Operating Modes.............................. All Metal
                                                                      Expanded ED-120 Discriminate
                                                                      Notch Reject Discriminate
                                                                      Notch Accept Discriminate
       
      Click on catalog image below for larger view.....


    • By Dig-a-holic
      Winning bid of $200! That's got to be a deal! I paid like $448 the first time I had one.
    • By Highlands
      Hi All,
       
      I am looking to get a Tesoro very soon as I had one years ago (Laser Scout - UK version)  but I'm torn between a Tesoro Cibola and Vanquero.
      Also are these machines good on dry beaches also how about wet sand?  Is the C better than the V and if anyone can help?
      I'm hoping some members here may have some information as to help me on this subject.
    • By kac
      I read a tip on super tuning the Tesoro Tejon and didn't see any difference in depth at all. In the tip they said to do an regular gb with sensitivity @ 10, then turn the GB + 1/4 turn (approx. 8.33 on a vdi with scale of 100), then turn the sensitivity back just until the machine stabilizes. Did some quick depth tests and found id made no difference at all.
      I tried similar technique on my AT Pro and had a loss in depth of approx. 1".
      Am I missing something here? Is super tuning some sort of myth?
    • By jeff_jones_86004
      Got a used Tesoro LOBO, but with or without coil, it just screams when I turn it on. Adjusting threshold no help. Any ideas, or anyone need it for parts?
      Thanks,
      Jeff in AZ
       
        
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