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  1. I’m sure I read somewhere that all of these common connectors (typically for headphones) such as the 8 pin style have a limited amount of mating cycles. Connector integrity cannot be assured after this. I guess there is a small amount of wear and tear on the male/female metal contact points as well as the plastic/rubber moulding that keeps water out. Any views on this? Thanks Tony
  2. The cell phone is now a common day device owned by most people. It was inevitable that a metal detector designer would mimic the look and feel of a cell phone in an attempt to modernize how metal detectors are perceived. As far as I know it was Quest (back when they were named Deteknix) that first came up with this design. Or at lest they were the first to really market something like this in 2015. Then we next got the Minelab Equinox in 2018. And now the Nokta/Makro Simplex+ in 2019. Some might call this copycat designing but form follows function to a certain degree and all items copy o
  3. Out with the Minelab Equinox yesterday and getting frustrated with the difficulty of switching to the user 'profile' (plenty of complaints on that since its release) but then wondering why we have only one memory slot. Sure, many detectors have zero.... Are there detectors on the market (or even from the past -- no longer manufacturered) that have more than one user memory slot? It's hard to believe in 2020 with gigabytes of memory in so many small packages/products that we can't have 2 or (am I asking for too much?) 4 places to put user custom set search modes.
  4. I had a guy approach me at the lake today who lost a 14K college class ring size 11. I told him I would spend time looking for it and get it back to him if I happen to recover it. I have a 10K college class ring I found this year(unable to locate owner) but, it's a 10K. On the Simplex, it reads 64-65, the Nox hits at 20-21 I'm wondering how much of a difference the 14K will read. Any help would be appreciated. Thanks.
  5. Might be a silly question, but I can't find the answer. Seems like all the lower end detectors are always around 5-8 khz. I was always under the impression that the sweet spot for the biggest target range was around 12-18 khz. Are the lower frequencies cheaper to implement, or is there another reason?
  6. Here’s a topic for all you “Rocket Scientists” out there (and anyone else who’d like to chime in). I was having a discussion with another dealer. He felt that single frequency worked better because there’s a certain amount of performance loss with Multi. I was always of the opinion that Multi-Frequency was the best for most types of Metal Detecting. It allows you to hit ALL the targets that react better to certain kHz. Here’s an example from another hobby of mine (most of us have more than one). I shoot muzzle loading guns. The “Round Ball” type projectile that was used for hund
  7. A pretty fascinating set of photos posted over at http://md-hunter.com/homemade-metal-detector-amazing-photos/
  8. Most people act like it’s all about depth. This machine versus that machine.... which is deeper? In my experience for some things max depth does matter. Like gold prospecting. Get a GPX 5000 or GPZ 7000 and dig. Or beach detecting or relic detecting with PI detectors. If depth really was all that mattered, everyone would use a PI. But we do not. Not even the gold prospectors and beach hunter. To state the obvious, not everyone can afford a GPZ 7000 or has access to ground where it will pay off. For some people, a Gold Bug 2 makes more sense. And not all of us are physically capable o
  9. I tripped over this at the Minelab website: This posting, together with the label, also provides an indication of which Minelab products are protected under the Patents Act of various other countries. Product(s) US Patent Number Australian Patent Number GPZ 7000 6636044 783737 7310586 8106770 2011200515 D686924 342365 (Design) 2009262370 2012101855
  10. Would love to get your opinions and feedback on this machine coming to market supposedly soon, and supposedly uses a BT connection from your phone or smart device to control the coil. Similar to Deus, but using a phone or iPod touch etc. as the controller. Believe it's single frequency. Here's a video demo. I've long liked the idea of a setup like this but I thought there were good reasons the major players have not created a machine utilizing a phone or iPod touch this way, so I'm skeptical.
  11. I did a quick recording of items I had going from a small nickel silver bead through a screw cap. Total of 20 items 6" away in both all metal mode and discrim mode with disc at min. It is interesting how you can actually see the different sounds and how they have unique patterns. I plan on redoing the test when I can set up outside. There is a lot of emi here and my audio setup was not tuned so I couldn't hear the threshold through the computer even though it was pretty loud on the detector. The audio was also recorded really hot which I will correct next time. Wonder if digital mach
  12. Most of the sites I hunt have very mild ground. I typically leave my GB at 0 most of the time. When I do take the time to Ground Balance, I usually get single digits with occasional numbers in the teens. Do the GB numbers reflect the levels of mineralization in the soil? Do soils with high mineralization have higher numbers? The manual says nothing about it.
  13. I hope this topic hasn't already been covered and I'm not writing it in the wrong place. Recently, based on my lack of knowledge in this sector, I have however noticed large differences in actual life, not only because of battery chemistry ... I mean something about the use of power itself in using the tool. Thinking of a mobile phone, the standby time is merely relative to the battery capacity, as is the duration in call or video call, much less long ... So every time a detector is used in an area where there are several signals and we are busy digging or at least hearing many of them
  14. Of all the different types of metal detectors, the two box is the oldest(?) but also one of the least used. Defintitely a detector for special situations, but with a couple possible exceptions, for the proper situation it's the best choice for the job. I'm aware of two standalone models still available new -- Fisher Gemini-3 and White's TM808. Garrett's Treasure Hound (see P. 43 of their latest catalog) and apparently a new kid on the block are attachments for specific standard (control unit + shaft + single coil housing) detectors. In particular what has me wondering (and confused
  15. Hi, I am new to the forum. Anyone have any experience with this brand of detectors ? https://uigdetectors.com/en/gold-and-metal-detectors I am thinking of buying a Minelab SDC 2300, but in my internet search last night, I came across this brand I have never heard of called UIG detectors. Looks like they have some interesting looking detector technology. Before I drop money on an SDC 2300, I want to make sure I consider the competition as there may be other reliable and fun technology to experiment with.
  16. First time I think I have seen this. https://patents.google.com/patent/US20190353818A1/en
  17. Just wondering if anyone has tried any 3D Ground Scanning metal Detector? Also, what's the best 3D Ground Scanning metal Detector in the market? Can anybody share their experience.
  18. Well here you go spot the Whites.
  19. Found some clubmates discussing who (and when) invented the first pinpointer. Google just found some hints. Feel free to discuss...
  20. Those impressive video results of the Fisher Impulse AQ with its 12.5” mono coil on the 10K Gold ring at 17”-18” and 14K Gold ring at 19”-20” as did a 22K Gold ring drove my curiousity to air test two Gold rings using a QED in its Beach Mode-11 operating at its pulse delay of 7.5uS with a NF 12” Advantage mono coil. For my test, the QED’s settings were Threshold-B at 5 below Null and Factory Default for Threshold-A at 30 and Gain at 1. (Threshold-A settings range from a 1 up to 90 and the Gain settings range from 1 up to 10} The results for a clear response on a 3.04-gram 9K 21
  21. Hand held backscatter xray. I want one. https://www.dael.com/assets/files/Documenten/hbi-viken-sec2.pdf HH Mike
  22. The latest issue of the ICMJ is out, and I have an article in it titled Selectable Frequency vs Multi Frequency Detectors. Those of you with a digital subscription can read it online. The ICMJ has a policy against mentioning brand names in articles so I wanted to post this as a supplement to the article. Most metal detectors process a single frequency. Low frequencies, that is single digit frequencies under 10 kHz, react well to high conductive targets, like coins, or large items, even if those items are of low conductivity. If you look at this typical metal detector target scale bel
  23. What do you make of this description on KellyCo? It seems to suggest the IPTU sensor would work with machines other than the Invenio. Does anyone know if that is true and how that would work? "One of the biggest issues that people run into when metal detecting is difficulty with accuracy. The IPTU Sensor (Invenio) is going to help increase your accuracy and help you find more items and be sure what they are and where they are better. This is an easy to install sensor and is going to make a world of difference when it comes to your overall success when metal detecting. This sensor works w
  24. The original 1985 Fisher Impulse metal detector A note on saltwater. On dry land and in freshwater pulse induction (PI) detectors can be run to max limits. Not so in saltwater. There is an inherent limiting factor in saltwater that tends to flatten top end performance on all PI detectors, or even VLF detectors for that matter. The problem is simple - saltwater is conductive and so is visible to electromagnetic devices like metal detectors. Pulse induction detectors saw their earliest use as beach detectors because of the pulse delay control. Lower pulse delays expose items with a sho
  25. I do what I can to foster competition that develops alternatives to the all too common VLF detector. There are plenty of options out there, but in my opinion they all weigh too much or cost too much. Usually both. I envision people out there with a popular VLF metal detector for beach, relic, or gold detecting. These machines all sell for around $700 and weigh 2.5 - 3.9 lbs. Perhaps they would like to add a ground balancing PI (GBPI) to what they have. I think that for "normal people" with normal budgets a machine under $2K and under four pounds just makes sense. It would be more tha
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