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Steve Herschbach

Fisher Impulse AQ Video - Zpt® Zero Pressure Technology

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Explanation of new coil mounting system on the new Fisher Impulse AQ metal detector. ZPT® "Zero Pressure Technology" 3/19/2019 Official Fisher video.

Fisher Impulse AQ Detector Data & User Reviews

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Fisher Impulse AQ ZPT® "Zero Pressure Technology"

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Fisher Impulse AQ ZPT® "Zero Pressure Technology" detail image

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Interesting while they were up. Why would be another question, but a brief glance into the what.

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    • By Steve Herschbach
      There is on-going field testing of the Fisher Impulse AQ in progress trying to improve the discrimination. This despite the machine getting ready to go to production at any moment.
      For those that do not know metal detector development never stops. It just gets to a point where it is good enough and you launch. Engineers can improve for eternity if you let them. This does raise a concern however. This machine is as far as I can tell using a new premise for what it does, and is obviously up against deadlines to get out the door. There is nothing here about internet update capability, and in fact it seems I recall somebody at FT saying there never would be such a feature on their machines. But given that nearly every serious platform released by FT sees software bugs and updates in the first year, including the recently released F-Pulse, the odds are this machine would benefit from an update once it gets into user hands and the inevitable bug is found. It really is a set up for having to mail machines back to be updated.
      I would like to be one of the first to jump on one of these but given the First Texas poor track record in this regard a lack of update facility does give me pause, especially in a detector that will likely be over $2000. I get a cheap detector having no update facility, but First Texas may end up regretting not putting the capability in this detector. Forget the unhappy customers - it costs the company money if it ends up having to physically reprocess every machine sold to perform some kind of software fix. In this day and age internet update capability is an expectation - every Nokta/Makro machine no matter the price has it, even the upcoming under $300 Simplex. I am a bit amazed that there is no mention of this capability on what appears to be the most expensive First Texas metal detector ever made. 
      Source thread at Dankowski Forum
      Fisher Impulse AQ Data & User Reviews

      Fisher Impulse AQ metal detector
    • By Steve Herschbach
      The Fisher Impulse AQ is clearly aimed at beach hunters. Specifically saltwater beach detectorists. It is a PI and as such is being billed as able to handle thick black sands. Pictures have been posted showing just that - saltwater beaches with heavy magnetic black sand content.
      Yet at the same time we are being warned this detector has a ground balance with limited range, and that it can't handle extreme ground and hot rocks i.e. gold prospecting.
      So what's the deal? Can it handle intense mineralization or not? I also wonder about the discrimination. The machine is clearly based on the Eric Poster/TDI in some regards but is also being billed as multi-channel, which TDI is not.
      I suspect just as with TDI that the discrimination is tied directly to the ground balance, and that in order to be effective as far as discrimination the ground balance is very limited. It has been mentioned that the all metal mode might be better for prospectors, which makes sense given what I am speculating. The discrimination is said to be "gold only" with high coin signals eliminated. That makes sense again as coin and nail signals are in the same GB range with the TDI. If they are going dual channel it may be employing two ground balance points as the limits on the discrimination range, something I suggested ages ago. It should be obvious that the TDI can use ground balance to establish one range limit - a second channel defining another limit seemed a no brainer to me. I always wanted to get an SD2100 to experiment with the concept since it allows the two ground balance channels to be set manually. Never got around to it though.
      Any PI can deal with relatively homogenous ground. Even the non-ground balancing White's Surf PI handles black sand beaches well, as long as the coil is kept at an even height over the bottom. I therefore think the machine will do well on relatively homogenous beaches. Given that it is said to not handle hot rocks well, how does that translate into Hawaii as a location? My main issue there with the Surf PI was basalt hot rocks embedded in blond non-magnetic sands derived from reef erosion. I have to question whether the Impulse AQ can handle those hot rocks given what has been said about it.
      What about freshwater? The is no difference between a freshwater Tahoe beach and some of the worst prospecting ground. Thick black sands plus hot rocks. Is the ground balance range tied more to saltwater operation? I would like to run this machine at Tahoe, but given what is being said I am questioning whether it can handle the hot rocks there.
      Not a bit of this speculation is a knock on the Impulse AQ. It is a machine targeting a subset of a niche market. In other words, a machine with very limited application and they are telling us that up front. I am not one to ever complain when I get a detector and it does not work when I try to make it do things it was not made to do. And there is always a catch, always limitations, always unexpected things that pop up in widespread use that can't be captured in limited prototype testing. I get all that.
      The bottom line is I am just airing the thoughts that are bouncing around in my head. I don't worry about it because I am perfectly capable of getting all the answers to these questions on my own. It's actually these types of questions that makes me want to get detectors because I love pushing detectors outside the envelope and finding the limits.... and then doing things with them others might not think of. It's kind of my detector super power. 
      They sure seem close to having a finished product. I hope so as once end of October hits I will have to wait until spring. Well, I don't have to, I just will. I may wait for the prospecting version anyway. We will see.
      Fisher Impulse AQ Detector Data & User Reviews
    • By Steve Herschbach
      I just added the upcoming Fisher Impulse AQ pulse induction metal detector to the Metal Detector Reviews & Specifications Database.

      Fisher Impulse AQ Prototype
    • By Steve Herschbach
      This detector is all but certain to appear, and probably before the end of 2019. I have been on a quest to get a high power ground balancing pulse induction metal detector that is reasonably light in weight and in a somewhat standard metal detector housing, preferably waterproof. Whatever detectors I personally use must have dealers and service support in the U.S.
      Edit 3/2019: The Manta has been officially named the Fisher Impulse AQ, a development that happened later in this very thread. You can follow along here to get the latest information later in this thread and see the history. Or quick jump to the Fisher Impulse AQ Detector Data & User Reviews page.

      The challenge I have for Fisher or anyone else is to make a dry land ground balancing PI that weighs under 4 lbs yet is more powerful than a TDI SL. The alternative is waterproof but under 5 lbs. The price must be under US$2000.00 Waterproof Pulse Induction Metal Detectors Compared
      The Fisher Aqua Manta (edit 3/2019 now known as Impulse AQ) has been rumored for some time, and confirmed by First Texas as a project nearing completion. Prior threads:
      January 2015 New Fisher Pulse Induction
      January 2018 New First Texas PI Under Development
      June 2018 Aqua Manta Pulse Induction Beach Detector
      The long story short is this is a project by Alexandre Tartar. The Manta is most likely an offshoot and improvement on the orginal Eric Foster Goldscan circuit. Alexandre has built at least three major prototype devices before the rights were acquired by First Texas. The following photos and information is derived from this thread where the V3 prototype is sold.
      Here are the basic specs as described in advertisement (the seller is French and translating):
      "I sell a "prototype" Manta v3
      There are only three copies of this detector and it is the best of three ....
      (See mantametaldetectors website)
      Pulse induction, works exclusively with mono coils to the beach, possibly for the land, but no ground control
      Calibrated for low conductors, gold and platinum, among other. Delay 7us of 17 volts more sensitive, deeper and faster than Deepstar
      Equipped with a coil, Manta, latest generation
      she has one month, the quietest and most efficient on the market, all brands included. (it will operate on TDI and Deepstar)
      Connector Type TDI, it accepts all coils (mono) of TDI / GPX
      Weight: 1.5 kg without battery that is worn at the belt
      headphone jack and on / off switch on the battery pack (lipo) supplied charger
      more than six hours of detection at full power.
      Carbon Rod Anderson + extra cane down
      braided nylon belt military style
      All the possible settings and need a good PI
      SAT speed, TX frequency, noise threshold, delay, volume, sensitivity....
      The delay was 7us , lets see gold ends
      very thin rings, earrings, jewelry hollow that other detectors can not see
      and of course, the wholesale jewelry it goes deeper
      Ferrous recognition by a double beep well marked"
      What I find interesting is this note "Pulse induction, works exclusively with mono coils to the beach, possibly for the land, but no ground control"
      Yet here is the picture that accompanies the advertisement. Now remember this is from March 2016, almost three years ago. The prototype clearly has labels for ground controls...

      Alexandre Tartar Manta V3.0 prototype
      The control markings as seen above:
      Volume Threshold Sensitivity Sat Speed. Motion. (recovery speed) Tx Frequency (transmit frequency, usually to offset for EMI mitigation) Pulse Delay. GB Type (the shorter the pulse delay, the more sensitive to tiny metal and salt water) Ground Balance (usually a ground balance control, but ad says this is lacking?) Statements by First Texas suggest version 1 of the new machine is aimed at beach use and may not be suitable for land use (gold prospecting). That in turn makes me think work on the ground balance system is lagging and may be key to the future of the machine. Will it be beach only, or have a future for gold prospecting?
      I have to assume the unit will be competitive when it comes to the horsepower, or why bother? Until now the Eric Foster Deepstar is generally acknowledged as one of the deepest beach PI detector’s ever made. And the ad says “more sensitive, deeper and faster than Deepstar”. That being the case what really has my interest is the weight and compactness being displayed. The following photo collage from the advertisement shows the size of the control box and belt mounted battery:

      Alexandre Tartar Manta V3.0 prototype
      Granted the battery is belt mounted, but that is one tiny control box. I have to think that First Texas can slim down the circuit board and use a top notch integrated rechargeable battery and get this machine into a very compact package - hopefully waterproof and with wireless headphone capability built in.
      Well, that's about all I know about this one. This thread will collect any new information as it is available. This is one of a couple detectors I am watching so fingers crossed for a 2019 release. It is encouraging that Alexandre's original website at http://www.mantametaldetectors.com/ has been taken over by First Texas and is displaying this banner:
      Fisher Research Labs - New Pulse Induction metal detector COMING SOON!

    • By Joon hawn oh
      Don't you know when it's going to be released?
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