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Tarsacci Mdt-8000 Launched 12-11-2018 - User’s Manual / Start-up Guide Listed

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NASA-Tom Wrote:
> Here it comes...…… a bit of a paradigm-shift in te
> chnology/technological-advancements. I want to giv
> e you guys a (moderate) heads-up...… for something
> that is on the horizon. It is built by a small com
> pany (medium/small) that makes military-grade unde
> rwater locating devices. One of those engineers is
> a avid detectorist. He has convinced/steered the c
> ompany into inventing/building a hobby-line detect
> or. It's been in-the-works for about 18 years. All
> of the prototyping had been completed 2 years ago.
> It has been an "unreleased" completed product for
> the past 2 years. (((We are at: "shoot the enginee
> r" time-continuum))). It is not quite a VLF..... a
> nd it's not quite a PI. Ergonomically..... it has
> been 'pushed' to be in the shape of a detector...t
> hat we would 'recognize' as a detector. It's been
> some work..... to get the unit to 'sound' like a m
> etal detector. . . . . . that we would 'understand
> ' it's language/audio. It is "quirky". You will li
> ke some of the quirks.....and can put some of them
> to good use. Some things that I can share...… at t
> his time:

> * Very specifically targets TWO INTENTS:
> 1. Wet-Salt
> 2. Bad Mineralization
> This is to say...….. it does NOT target mega-trash
> y areas...… does NOT target carpets of nails.

> * NOT for beginners/novice. Targeted for seasoned
> detectorists.

> * IP-68

> * 11" x 8" DD open coil (hydrodynamic)

> * Electronics designed TO/FOR the coil. ((( If you
> want to change coils..... you must change the elec
> tronics. This is a very specific/discrete platform
> . )))

> * Weight/Ergonomics: Very similar to F75/EQX/T2

> * One rechargeable battery. 1-1/3 length of a C-Ce
> ll. Diameter of a C-Cell. 6000mAh 3.7V. This is a
> 'off the shelf'......easy to access/buy......and Y
> OU can change it... in about 40-seconds. (Under th
> e armcup).

> * Full VDI ID ….. with a 60-point span.

> * A very real/correct All-Metal Mode. Disc Mode. I
> D Mode.

> * Iron span range is: -30 to 0.   And for a very s
> pecific/discrete electronic platform rationale/jus
> tification. You DON'T want this changed.

> * Non-Ferrous span range is: 0-30.

> * In certain modes..... very responsive to high co
> nductors.

> * Inches deeper than Excal/CZ/Sov for coins and go
> ld rings..... in a wet-salt environment. ((( Almos
> t exactly parallels the performance of my 'tuned/t
> weaked' AquaStar-II..... in the wet-salt. . . . .
> but. . . . . with FULL ID capabilities. ))) Resona
> nt (great) for tiny gold rings, small, medium and
> large gold rings. This is where the depth advancem
> ents have taken place.

> * One of the paradigm-shifts: Ground Balance the u
> nit in the dry sand FIRST. ((( And in a different
> fashion: Hold coil about 10" above the ground. Pre
> ss and hold GB button. Lower the coil to about 1"
> off of ground. Release GB button. DONE. )))  Then.
> ..…… walk down to the wet-salt. . . and manually z
> eroize your local wet-salt content/volume. Now the
> detector … no longer even sees the wet-salt. It is
> not 'canceled'. It is not phase-shifted out. It is
> not Ground Balanced out. The high conductivity of
> the wet-salt is no longer seen. This is a fairly l
> arge dramatic departure from all other detectors.
> First time in history. A paradigm-shift.

> * This unit targets beach hunters.... and relic hu
> nters in bad dirt. This unit loses depth/performan
> ce in bad dirt …but at a SLOWER rate than other un
> its. It 'holds on' to good target ID's at deeper d
> epths.... in bad dirt..... at a better depth/ID ra
> te than other units.

> * Trying to keep the cost below the CTX-3030 MSRP.
> If we don't market/advertise it..... the cost may
> be around $1600..... or slightly lower. The intent
> may be to sell the unit on this web-site (forum) o
> nly/exclusively. That way..... we can circumvent a
> dvertisement costs (which can be very expensive).

> * For the most-part: K.I.S.S. theory has been empl
> oyed.

> * Heavy gauge carbon fiber.

> More details to follow...… possibly.


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Key points:

"* Inches deeper than Excal/CZ/Sov for coins and gold rings..... in a wet-salt environment. ((( Almost exactly parallels the performance of my 'tuned/tweaked' AquaStar-II..... in the wet-salt. . . . . but. . . . . with FULL ID capabilities. ))) Resonant (great) for tiny gold rings, small, medium and large gold rings. This is where the depth advancements have taken place."


"* This unit targets beach hunters.... and relic hunters in bad dirt. This unit loses depth/performance in bad dirt …but at a SLOWER rate than other units. It 'holds on' to good target ID's at deeper depths.... in bad dirt..... at a better depth/ID rate than other units."

"This is to say...….. it does NOT target mega-trashy areas...… does NOT target carpets of nails."

Looks like good reason for beach hunters to be cautiously optimistic. And possibly the relic hunters and prospectors. This being a new player there will be lots of details to sort out.

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Sounds like maybe issues with adjacent target separation  - not for trashy areas.

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3 hours ago, Steve Herschbach said:

"This is to say...….. it does NOT target mega-trashy areas...… does NOT target carpets of nails."

Looks like good reason for beach hunters to be cautiously optimistic. And possibly the relic hunters and prospectors. This being a new player there will be lots of details to sort out.

If it gets below the plow line - 12"+ It will be a boon to relic and old coin hunters.  Tired of fighting the iron/nails? Let's spread out and go for the deep one boys.

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10 hours ago, Tnsharpshooter said:

Now the
> detector … no longer even sees the wet-salt. It is
> not 'canceled'. It is not phase-shifted out. It is
> not Ground Balanced out. The high conductivity of
> the wet-salt is no longer seen.

Sounds like a PI hole.....does small Gold go byebye?

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1 hour ago, LowTide said:

Sounds like a PI hole.....does small Gold go byebye?

I know what you know about the unit.  See above.

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Apparently latest from Tom D.....small Gold go byebye.  Ye olde liquid metal still is a factor.🙂

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Link above updated with info.

NASA-Tom Wrote:
> * Right now...….. at minimum...…. a one-year warra
> nty. (Possibly more).

> * No...…. I'm not talking about the Manta.

> * One battery is too much? I'm not sure I understa
> nd.    ---- Average Batt life is about 30-hours.

> * Not good for tiny gold.

> * Unit will come with a pigtail headphone jack ada
> pter...… for 1/8" stereo jack..... so you can use
> whatever headphones you have in your inventory. Bu
> t..... you can also purchase a custom-built headph
> one that is specific to this detector......and is
> waterproof. It is not going to be included in the
> package...… so as to keep costs down.,.,.,.,.,.,.,
> and most people are exceptionally 'choice selectiv
> e' when it comes to headphones.

> * You will need a custom built unit for Culpepper
> dirt. (This might change).

> Has anyone ever looked up IP-68 spec's? It's kind
> of interesting. 1.5 Meters deep ….for 30-Minutes.
> That's all!

NASA-Tom Wrote:

> A few more data-points to share:

> * Another one of the quirks is: Coil sweep speed.
> This unit is more sensitive to horizontal velocity
> . Too slow.....and you lose depth. Too fast.....an
> d you lose depth. And this is one of the reasons '
> why' this unit is targeting 'seasoned' detectorist
> s. On a subconscious level...….a seasoned detector
> ist will automatically/subconsciously 'find the sw
> eet-spot' without any effort. This usually happens
> on the first (fairly deep) target. You will find t
> hat a medium/medium-slow sweep-speed is pinnacle.
> Then your brain will be subconsciously auto-calibr
> ated to this speed. No effort required.
> Remember; this unit is 'different'.
> Medium sweep-speed is a very 'vague' term. Differe
> ntly interpretive. But...… once again; I have zero
> concern for seasoned detectorists.

> * (audio) Mixed Mode. This mode is iron content an
> d non-ferrous content melded/merged together...…..
> audibly...….. in stereo.

> * Mfr claims "not waterproof". (I beg to differ).

> * A separate "Black Sand" selectable Mode.

> * Yes. Battery is Li-ion 26650 (Pimento.... you ea
> sily passed my test with A+!  ,,, I tested......an
> d wanted to know...… if the public can 'easily' fi
> gure things out. Next test: Can seasoned detectori
> sts figure things out...… with little effort).

> * I hope to see the owners manual pdf uploaded/pos
> ted. Before or after product rollout. More targeti
> ng: "before".

> * ((( I have to be careful with this one: ))). Sel
> ectable Freq's: 6.4-Khz, 9-Khz, 12-Khz and 18-Khz.
> But. Be careful. Do not assume VLF. Do not assume
> Single Freq.   ,,,   It's a bit different.

> I think I can share this now. I have head-to-head
> tested this unit in the wet-salt. Compared to Exca
> l/CZ/Sov…(first-hand)…… this unit is deeper on rin
> gs & coins...… including Nickels. No...… it is not
> a tiny gold jewelry hunter. Yes.,.,.,.,.,., we're
> working on that; but/yet..... that may be 1 or 2 y
> ears down the pike.

> * Lower carbon fiber shaft can be extended to a fa
> irly good length...… for tall folks.

> * Yes...… 'should' be able to ship internationally
> .

NASA-Tom Wrote:
> Elbert = Correct.
> GreenMeanie = No. Started 18 years ago...… and pro
> totyped/mod'ed/upgraded/improved in those 18 years
> . Electronics are modern......and ready for produc
> tion.
> Tom = The closer you get it to wet-salt 'zero'....
> the higher you can run the Sens. It does need to b
> e fairly close.
> Brian = Shooting for release in 3-weeks.


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Shooting for release in 3 weeks?  Well, we should know more soon, then.  Someone (ont he thread linked to above) speculated this detector uses the Hall Effect.  Possible, I suppose, as Hall sensors (used mainly in contactless motion and speed sensor devices) are very susceptible to outside magnetic fields.  But, if true, this could be the beginning of an entirely new detector technology--move over, VLF and PI...

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Some stuff on the web a while back made me wonder if Dimitar Gargov was the designer of this new thing. Of course I don’t know if it is him.

He worked at Fisher in Los Banos and designed a series of innovative but commercially unsuccessful detectors like the Coinstrike, Goldstrike, Edge and Excel.

He went to El Paso after FT acquired Fisher.  After that he went into industrial electronics in CA.

Post #7 in this thread. It links it back to the 2nd thread below



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