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Fisher F-75


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Teknetics T2 Ltd
Fisher F-75
Feature comparison between Teknetics T2 Ltd and Fisher F-75
Options Teknetics T2 Ltd Fisher F-75
Detector Type Coin and Relic Detector Coin and Relic Detector
Price $1250 $1000
Manufactured in 2009 2008
Battery Type 4 AA 4 AA
Weight (Lbs.) 3.5 3.5
Operating frequency 13 kHz. 13 kHz.
Display Yes Yes
Backlight No Yes
Target ID Audio+Numeric Numeric
Tone ID 4 Tones 4 Tones
Search Modes
  • Disc.
  • All Metal
  • Pinpoint
  • Discriminate
  • All Metal Motion
  • All Metal Non Motion
  • Pinpoint
Ability to change coils Yes Yes
Ground balance Auto, Manual Auto, Custom
Waterproof Coil only Coil only
Warranty 5 Years 5 Years
Number of Reviews graph 4
graph 1
graph 2
graph 62
graph 5
graph 5
graph 4
graph 17
Avg. User Rating 4.29 3.98
Avg. Durability Rating 4.43 4.92
Avg. Ease of Use Rating 4.29 4.46
Avg. Depth Rating
Depth value
Depth value

Most helpful review for Teknetics T2 Ltd

Fair review of a great detector
Okay, I am surprised there are not more reviews on this machine. The one review I just read was way out of touch and a unfair approach to this wonderful detector.

First things first, the chatter. Everyone has heard about the T2 chatter. YES, it does talk to you and I will admit that I was very frustrated when I first used this machine, but I stuck with it and I am glad I did. I've been metal detecting for 15 years and have three detectors in my arsenal and they are the Minelab E-trac, Teknetics T2SE (LTD) and the Tesoro Tejon. I would NEVER sell my E-Trac or my T2SE NEVER!

The T2 is my blitz machine and it is so light you can swing it for hours and hours and never tire. Cheaply built? Please, I have mine through swamps, ravines, muddy fields, pastures, sloppy wet grass, etc. This machine can stand up to it all and it has, don't believe me then visit my Youtube page (wes-n-va) ans see for yourself. The recovery speed of this machine is awesome, the depth is hard to beat on any VLF machine you will ever purchase right now on the market. I have found targets as deep as 12".

My soil is very loamy with some heavy clay pockets and it has performs great. I have hunted heavy red soil with high minerals and it did suffer some in the depth category, I'd say by half easy but that is expected with a VLF machine so I will not punish this machine for that.

If you hunt around a Minelab you will get tons of feedback and chatter. If you hunt around power lines and other forms of EMI you will get chatter. If you crank it up to 99 sensitivity you will get chatter. So, be smart with it and hunt around 94-96 sens and you will be just fine and not suffer any lose of depth.

Super trashy areas? No problem just switch over to the 5" coil and glide right through it with ease. Does well in iron infested spots also. Set up is a breeze. Turn it on, set the sens to 96, +2 tones, pump the coil up and down a few times to ground balance and start hunting. YES, it is that easy. I usually set my discriminate to around 41 to block out the hot rocks and iron nails. If I am hunting a fairly clean area I will hunt in all metal mode.

Is the T2 a little noisy at times, yes it is. Will the T2 reward you in relics and coins? YES it will!! It is a winner and you will love it with time and regular use.
Wes-n-va from Virginia

Thumbs up! 23
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Most helpful review for Fisher F-75

Working with perfection
Hi there,
For any one new to the F75, it may help if I just give you a few tips on using your F75 and if I can just describe the proceedures a bit it may help you gain a bit of the working insight to the Fisher F75.
I would never wish to advocate I am an expert with any detector, but I have used this Fantastic detector since they were first introduced, and if I can possibly help point people in the right direction, then I feel you can then expand on this info I'm setting out.
First, Ground balancing. This procedure is a very important issue to be taken seriously. You are advised to do it although the Auto "Fast Grab" procedure is adequate in most soils.
Rather than waste space in describing the fast Grab, please follow the manual steps on this. But can I just mention, that I Fast grab about every 20 minutes. Keep an eye on your "ground mineralization graph" on the right hand side of your meter console watch for any fluctuation in your Graph when GB` ing. Make a note at first what the readings tell you, what state the soil is when your GB`ing..
Once you have fast grabbed (GB).................Select your working s.
Assuming your wanting to search in the DISCRIM mode (on the left of the control panel)......
Set your sensitivity on say 75 to start. No particular reason just set 75 for now.
Then push the menu button again and select DISC LEVEL with the settings knob.. Set this at 4 .
Then push the Menu again and select notch with the settings knob.. Make sure this is ALWAYS on 1 .
(unless you want to delb into Notch procedure)
Press menu again & turn Settings knob again to," # of Tones."
This is all down to a matter of choice on this setting. When I first got the F75 used 3 and even 4 tone, but I soon found that although these modes give you the higher squeal on Silver, they can also give out ghost signals which can waste a lot of time looking for when really they are not there. So my advice is to use Primarily TWO TONE ,(2)or if you want to go into Zero discrim then Single tone is the better, but thats a whole different ball game strategy.

DP (delta pitch) is not advised
Now press menu once more, and turn the setting knob till your in Process #.
Here you have 4 different search modes.
dE (default process)
JE (Jewelry process)
bc (bottle cap)
and finally, PF (plowed field)
Again these are modes which you personally will decide what YOU want and feel confident in.
Can I just say that it in general for UK soils, its better to Ignore bc mode, but again, thats just mine, and a few others opinion.
( De mode) is a General purpose mode basically.
(PF mode) is a very good and versatile mode for uneven ground and pasture.
(JE mode) is the Turbo of the F75. This is a VERY sensitive mode and is perfect for searching for the tiny stuff in. This detector eats Cut quarters and Tiny Gold nuggets for breakfast in this mode (if they are there ) Watch your sensitivity though in this mode . But, have it too high sometimes and you will have an adverse affect on this detector.` 50 `is average, in the JE mode, but you can always up it higher till it ceases to become stable, then, back it off a few turns till you can get a pretty good stability in the noises to be able you to recognize the "good signal " when you hear one.
Just a quick mention on the search swing on THIS detector. On most detectors it is always advised you search slowly. Now, not so with the F75. A quicker than the average swing is advised for this detector. This doesn't mean to say you should up your Step pace. Just your swing pace. 1 second per sweep is about right, from left to right.
Now going back to Sensitivity!
I always start as high as I can without Erratic gurgling and hurdy gurdying playing in my ears. Try to set the sensitivity so that you do not hear excessive noise. Tune the Sensitivity so that there's an even sounding or, just a tiny bit of noise in the back ground of your Ear phones.. SILENT running is NOT advised.

You may wish to go for maximum depth and start hunting in (motion)ALL METAL Mode.
This is an excellent mode to hunt in, as you get NO GROUND AFFECTS to contend with as you do in the Discrim modes.
Firstly switch over from the Discrim mode to the All metal mode on the right of your Screen.
Adjust the threshold to just audible. Then adjust the Audio pitch of your detector. I think mines at 5.
Drop down to SENSITIVITY now and start off at about 75.
Now Manually Ground balance the detector. If your not sure on this Follow the steps in your User manual to do it. You will soon get the hang of it and not have to use your Manual..
Then start Digging. If your not comfortable with Manually GB`ing then Fast grab procedure will be OK. Keep your ears open for the good target each way sounds and Dig nothing under 18. It will be rubbish. Coins etc will be up in the 40`s figures or roundabouts. OK I know cut quarters may be missed by ignoring anything under 23. But if Cut quarters and halves don't float your boat, there no problem. But if you want to detect cut quarters and halves, just dig from 18 and above, then you will almost certainly catch them in the 18 - 20 bracket. You'll soon get the hang of what figure not to dig under after a few digs. A lot of high squeals will be Iron up in the late 80's to 90, but as I said watch out for the figures in the Medium /High end bracket to be good targets.

I have added this paragraph on to my paragraphs also, as I think its a very important addition from a leading figure in the detecting world. I have included it because its another excellent way of working the F75.

"Put your Discrim mode on. Use PF mode, and sensitivity at around 80. Also stick your Discrimination on " 6 " and (Very important) stick your tones on MONO TONE (single tone).
When this set up is on it allows an excellent Iron see thru capability to be introduced on a site where it is littered with iron bits of junk and it masking the non ferrous targets.
Many detectors will shut down on these circumstances.
The F75 and the T2 are the only detectors available that will readily tackle this (pretty common) scenario with a good unmasking success rate. Now heres the gist of this.
With the F75 discrimination on 6, and Monotone,...... The moment you invoke a different tone, such as 2 tone or three tone or four tone, the Discrimination even though its on "6"....
Will BECOME instantly a discrimination of FIFTEEN by you switching the tones out from mono tone to any other.
The reason for this is any target that is between "6" and "15" will now audibly report as a LOW TONE(iron tone)
This is a Big problem for many reasons.
Any target that is ABOVE 15 might read a Higher tone(tone frequency depending on what tone option invoked)
Most people do not want to dig Iron, and most people will miss masked non ferrous targets when "monotone" IS NOT SELECTED So, mono tone is very very useful.
Do not dismiss it.
The T2 with a disc setting of "21" and mono tone will be a similar thing."

Anyway I hope this bit of info will help you to wards running your F75 in a pleasant and rewarding way.
There is much much more to the working of this F75 & I'm sure In fact I obviously know there are lots of things I have omitted to convey to this post but I can't discuss everything in one go, but this is just a few hints to help you get you up and started pretty quickly.

So that'll give you my best tips on how to use this Fabulous detector.
Ok, its Not built like a Minelab. But on sayiing that, its no where near as heavy as a Minelab. So you can't have your cake and eat it.
There has to be a compromise. If you want light well balanced detector, this IS IT ! If you want Depth, and Max Sensitivity, this detector has it all. Just treat it with respect, and don't sling it about or drop it if you can. It should repay your respect.
Its todays stealth bomber of the Detecting world.
The moaners! Well there's always a few in life.

Jeb from North Wales, in the UK

Thumbs up! 133
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