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New Gold Prospecting book by Fisher’s Dave Johnson
Posted on February 23rd, 2010 2 commentsFisher and Teknetics Chief Designer Dave Johnson has written an AWESOME book on gold prospecting with a VLF metal detector! Tons of great information for prospectors and potential prospectors…as well as folks who just want to “learn more” about metal detectors! Special thanks to Dave Johnson and Mike Scott for allowing me to reprint the book in it’s entirety here on www.detectorstuff.com !
VISIT the brand new Teknetics website HERE! http://www.tekneticst2.com/
*reprinted with permission of First Texas Products*
www.fisherlab.comGold Prospecting
with a
VLF Metal DetectorDave Johnson, Chief Designer
First Texas Products & Fisher Research LabsThis book explains how to use a VLF induction balance metal detector for gold prospecting. The author has nearly 30 years’ metal detector design engineering experience and has designed machines in every major metal detection technology category.
david johnson, f5, F70, f75, f75 ltd, first texas, fisher, Teknetics -
Fisher F5 Long Review (features breakdown)
Posted on May 20th, 2009 No commentsI’ve had a lot of questions about the innovative F5 over the past few months. This is a feature break down I did that was posted on Kellyco’s site. Hopefully you’ll find it useful
Fisher F5 Field Test
Mark Ellington
I was given the wonderful opportunity to do some field testing with Fisher’s amazing new F5. The F5 is one of the most unique detectors I’ve put my hands on in a very long time! The perfect blend of cutting edge, software driven power meshed with the feel of good old fashioned knobs. I find it very interesting that the “oldest name in metal detecting” is utilizing the newest technology! The F5 is the result of Fisher’s self proclaimed “war on bad user interfaces”. The lead Engineer on the F5 was Jorge A. Saad.
Since Fisher Laboratories came under new management, the Company has not been resting on their laurels! First out of the gate came the incredible F75, followed by the mid-range F4. Next up was the affordable F2, then recently the incredibly deep F70. That leads us up to the innovative F5!
The F5 is situated in the familiar F2/F4 housing, but the electronics are entirely different. This platform was designed by Engineers Jorge Saad and Dave Johnson (with John Gardiner and Mark Krieger additionally lending their talents) to offer outstanding discrimination, depth and ID capabilities. You’ll find the F5 mounted on the familiar gold and black “S” rod which has proven its ergonomics and durability throughout the years.
*Click below to see the rest of the review*
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Official! "Hot off the press"
Posted on April 13th, 2009 1 commentFisher’s World Treasure News 2009!

Fisher was kind enough to send it our way for distribution…if our servers can take the downloads! By the way, overlook the mediocre writer in there named “mark”
*Update* WTN is now posted for download on Fisher Labs Website…get it HERE!
david johnson, f5, F70, f75, fisher, mark, mark ellington, old coins, relics, sensitivity -
Information on the new Teknetics Omega- Engineer Dave Johnson
Posted on March 13th, 2009 3 comments*Reprinted by permission of First Texas*
Posted originally on American Relic Hunters Official Teknetics Forum
Hello! and, Omega
Posted By: dave johnson
Date: Friday, 13 February 2009, at 1:10 p.m.Hello, this is my first forum post on this website. Some of y’all I recognize from other venues.
Since the Teknetics Omega is in the process of being released to production, there will be a lot of curiosity about it. Most of the questions will relate to features and performance in the field. There’s no need for me to go into those matters, since other people will quickly fill in the details. What follows here is a bit of information which is probably better coming direct from engineering department.
Once the Omega gets into people’s hands, it’ll become obvious that there is some sort of relationship between the Tek Omega, and several earlier Fisher and Bounty Hunter products. Here’s what that relationship is.
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F75/F5 "Head to Head"
Posted on March 4th, 2009 No commentsTook the F75 and F5 out for a relic hunt the last two Saturdays…I live in the Gold Country where the ground can be down right nasty. The reason I got the F5 was for a back to the F75. I know most of you if not all of you are saying how can the F5 back up one of the best detectors made in recent years. I mean the F70 should be number 2? Well I don’t want a detector that is almost the same as the F75 I wanted something that worked a bit different and ran at a different Freq! I have hunted places where the F75 seems to get stuck and I needed a different detector that would be able to step in and do the job and I trusted Fisher to create a nice mid priced unit that works for relics and turf. I love to have the control of tones. Sometimes I will just look for coins at a high tone even no I am running my disc from 0-6. So I am cherry picking for high tones which are where a lot of old coins and silver come in. Nickels and Indian heads and silver hit at a high tone Then I will start to dig mid tones and so on and then switch to maybe a mono tone and run 0 disc.The F5 offers me tones and depth and is a fast machine with the standard coil and really holds its own in iron and trash. Give it a DD and man you may have a mini F75. On most of the targets I dug I checked them out after the F75 found them with the F5 and the F5 hit on all of the targets. Near iron or on one target under a horseshoe I found a leather belt buckle both were old and the F5 hit the same way the F75 did. Good info so dug it! The F5 is also more quite even in 0 disc and that can be a plus. I have felt that the F75 reads so much info that is in the ground that sometimes it can mask targets because so much info is flooding the machine. But if you slow down and have an ear for what the F75 is telling you then you can pick out the masked targets a lot of the time.
The F5 has a sweet spot being the coil is not a DD it has a different smaller footprint so you have to investigate the target over the sweet spot. The small 4″ BH coil was a waste of time and it would be nice to have a small coil and a DD. That would make me really happy and show me Fisher really is backing their machines for the long run. I really can not say anything for depth as of yet the places I have hunted are not places where targets sink much into the ground. But I am making a Video for youtube that will show the F75 and F5 in action. I know that Bill Ladd is making a video for the F5 so I am going to let him have first run so I can also see how a pro hunts with the F5.
I will post my finds as photos for you I did really well with the F5 even no I will hunt 99% of the time with the F75 it is nice to know the F5 is in the back seat of my SUV waiting if I need a back up…Fisher give the F5 a DD Christmas is coming??????
lcpm· Posted by lcpm on August 20 2008 19:09:46
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Fisher F5 Review
Posted on March 2nd, 2009 1 commentOkay…are you ready for this? I’m going to open this F5 review with a very bold statement. The new Fisher F5 has the BEST user interface of ANY metal detector I’ve ever used!..and I’ve used a bunch!
f5, fisher, mark, mark ellington, review



