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  1. Don71

    14x9 Evo On GPX - Is It Working Right?

    If you are getting 9" in the dirt on a 2.5 gram nugget with the 14x9 coil then your detector is working fine. What timing are you using? -Don
  2. Don71

    14x9 Evo On GPX - Is It Working Right?

    9 inches air test on a 2.5 gram piece is typical using the 14x9 coil. I only get 11 inches on a 4.5 gram piece using a 12" round EVO in Fine Gold. Get the same on the GPZ 7000 in Difficult. As Steve said, a PI will lose less of this depth in mineralized ground over a VLF. I can only get about 3-4 inches maximum on a VLF in my hot ground. The PI will punch much deeper, if 11" in air, I would probably get 9-10"+ in the ground. The air test is always the best case scenario for depth for all the people that think air tests are not important. They also tell you if your machine is working correctly vs other machines on the same settings. ( or for comparing depth increases on coils) -Don
  3. Don71

    GPZ 7000 Vs GPX 5000

    Thanks for the responses guys, I am going to try another GPZ 7000 and test out the Salt Mode, Semi-Auto Ground Balance, and Locate Patch. I won't know if it works here until I try it for myself. Anyway, I plan on eventually moving down to Nevada and I know the GPZ will be an advantage there. I am tired of my small area of gold detecting here in Washington State. Also, I do miss getting some of the strange specimen pieces my GPX-5000 doesn't see. It only accounts for about 5-10% of the gold here but they were fun and interesting to find. My SDC would see some of these specimens but I sold that a while back. -Don
  4. I used the GPZ 7000 in the Summer of 2016 (with yellow ferrite ring) but it had so much ground feedback in my detecting area that I sold it. I found that the ground noise on the GPZ was masking targets over the GPX-5000 running in fine or enhance gold timings. (Damp & salty highly mineralized ground.) Question: Has the latest software update with Locate Patch & Semi-Auto Ground balance helped significantly to handle this type of bad ground feedback? I am considering buying another GPZ 7000 this Summer to try again. Also, I found that the 5000 can match or beat the 7000 on larger chunky gold targets when running the larger coils. (And of course, the GPZ was superior on some specimen gold types vs the 5000.) Here is an air test on a 3 ounce wire gold & quartz nugget below. The 7000 was at maximum sensitivity of 20 with the stock 14" GPZ Coil. (I didn't own the 19" GPZ coil to try in this test.) I mostly ran in Difficult/General or Difficult/High Yield as Normal mode was impossible here, too much ground noise! 3 Ounce Wire Gold Nugget: (air test) GPZ 7000: Difficult/General: 18" Difficult/HY: 18" Difficult/X-Deep: 16" Normal/General: 21" Normal/HY: 23" Normal/X-Deep: 20" Severe: 15" GPX 5000: Fine Gold w/12" NF Round EVO coil: 17" Normal w/12" NF Round EVO coil: 21" Fine Gold w/15" NF Round EVO coil: 18" Normal w/15" NF Round EVO coil: 23" Fine Gold w/19" NF Round EVO coil: 20" Normal w/19" NF Round EVO coil: 25" Fine Gold w/25" NF Round Advantage coil: 20" Normal w/25" NF Round Advantage coil: 26" -Don
  5. Don71

    2300 Rebuild

    Are you able to put a bigger coil on it? Looks Good. -Don
  6. Don71


    Nice Nugget! Looks like the GPZ found it at almost 2 feet depth based off the photo. (And with the standard 14" Coil) -Don
  7. I just received back a repaired GPX-5000 from Detector Center/Minelab repair. The function select knob was failing. It was replaced very quickly and sent back in good working order. Good customer service! -Don
  8. Don71

    Gpz7000 Lost Audio

    I look forward to seeing that special gold in person. I will be there on Saturday. -Don
  9. Don71

    Gpz7000 Lost Audio

    Hello Dave, Did you already go over this area with your GPZ 7000 previously and it missed this gold? SDC only gold? (Looks like a big chunk that the GPZ would see.) -Don
  10. Don71

    Nugget Finder Evo 24x12 Any Results?

    I was told by an experienced detectorist that it has similar depth as the 15" Round EVO coil but a lot more ground coverage. I might try one later this year. -Don
  11. Don71

    Nugget Finder Evo 24x12 Any Results?

    Has anybody else tried this NEW 24x12 EVO coil? It seems like there are not a lot of people using it. (not much information out there) -Don
  12. Don71

    Detector Mods

    The GPZ & SDC can see types of gold the 4500 & 5000 cannot detect. It would be interesting to know if your modified 4500 can see these types of gold. I read on Woody's site that the mod allows detection of this gold on the 4500/5000 by extending the frequency range. I have gold pieces that scream on the GPZ & SDC but don't make a peep on my standard unmodified GPX-5000 no matter what timing or coil is used. -Don
  13. Don71

    Testers Needed - Hot Ground

    We have hot ground in Washington State. (Liberty Area Basalt, been detecting since 2008) Thanks, Don Newell
  14. Don71

    GPZ Target Responses

    What settings do you guys use to hear the "missed beats" or pauses in tone on the GPZ? -Don
  15. Thanks for the coil tests Steve! I have the 6" smart coil for trashy areas. I am new to the CTX but I have found that maxing out the sensitivity at 30 gains a lot of depth compared to Auto +3. Using the 6" Smart coil, I get about 6 inches in Auto +3 but 10 inches in Sens 30 on a dime. -Don