Minelab Metal / Gold detector modifications SD2000 SD2100 SD2100E SD2200 SD2200V2 GP Extreme GP3000 GP3500 GPX4000 GPX4500 Detectormods is part of Link Technologies. 

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Contact Details & Prices

For Overseas customers

You only need to send the control box, If you insure the box you must write for repair and return on the documents. If you do not write for repair and return Australian customs will charge import duty on the detector.It is way better not to insure it as registered items never go missing. Also you can write Duty Exempt under section 21a of the Australian Customs act. Do not send using UPS... They are a rip off and charge customs clearance, none of the others do this and it is a in house scam. Use EMS mail like USPS , it is far cheaper.

SD2000   Low Frequency super Deep modification that allows you to use large coils for the most depth possible. Testing shows a depth of 5ft of 1KG targets in mineralized ground using 30 inch coils. Price is $750

SD2100D   We add 3 timing positions to allow the detector to be optimized for various sized Gold. We add audio frequency boosting to give a sharper response for the detection of Gold.    Price $750

SD2200D   This detector is an all round high performance machine when it is extensively upgraded. The detector gets a 3 pulse length timing switch, a 3 pulse timing switch, and upgraded circuitry to make a very powerful and versatile detector that will cover any type of Gold Nugget hunting.    Price $850
We can now add the variable gain mod to this detector making the full works
at $1000

GP Series, Extreme, 3000, 3500 This series of detector are one of the most favorite types used by prospectors. 3position timings for deep, medium and small gold, a timing boost switch for a huge increase in sensitivity to hard to detect Gold Nuggets.
Extensive electronic component upgrades make these detectors one of the best performance machines for Gold Nugget hunting.  Price $750  option 2 add $250
We can now include the variable gain mod for a complete package of $1250

GP Option 2   The latest series of upgrades for the GP series incorporates updated filters that makes the detector ultra quiet and stable. The extra cost of this is $250 when being incorporated into the detector at the same time as a standard upgrade. To do this upgrade on previously upgraded detectors is $300 due to the extra time needed to strip the detector down to add and change components.

GPX Series 4000 and 4500  Changes to the input circuitry make these detectors far more stable and increase the sensitivity and depth capability of these cutting edge detectors.
The price for upgrades is $1000 and is inclusive of our standard 5 year fully transferable warranty on all our work. The Variable gain Anti Saturation mod is now available for the GPX series and also included is the audio clarity mod.
For the complete works is $1500

If you are using an older detector and have a lot of problems with Ghost signals and hot rocks, we have an upgrade that can fix these problems. Ask us

We can tailor your detector to the type of prospecting that you do.

 

All work is covered by a 5 year warranty.

Discounts for 2 or more detectors done at the same time.


Repairs to Detectors?, Yes We can repair Minelab detectors. If you need specific advice on a Minelab detector email me. I have lots of tips on getting the most out of your detector.
detectormods at gmail dot com

at=@  dot=.  Done like this to stop robotic email harvesting.

Address all detectors and correspondence to our new address.

Link Technologies
P.O Box 5165
Frankston Sth 3199
Victoria
Australia

Here are some tips on getting the most out of your detector.

1: Check the connectors on your coils and control box, it is very important that the metal contacts are not full of dust, have the plating worn off or are corroded. If you find that they are in a bad way you will be suffering loss of depth and noise problems. It is just about impossible to get the Gold plated connectors for Minelab detectors but I have some for sale in my Ebay shop.

2: The selection of the right type of headphones can make the difference of finding a couple of items or many items. Too many detectorists use headphones that are made for HiFi use. This is bad news as these headphones pass a lot of low frequency noise and high frequency hiss that makes your hearing fatigue. You really want a response of between 800 Hz and 3Khz .

3: Before travelling thousands of miles to far and remote places have a spare detector in case one fails. Also take a screwdriver and a 12 volt soldering iron as a lot of simple faults can be fixed on site. Common ones are the internal wires falling off the circuitboard due to vibration, dry or bad solder connection due to vibration. On the GPX-4500 the Mylar connections to the switches can break away and become bad connections. If this happens just trace the connection to where it goes and solder a jumper wire from the switch to the board.  The white paint can be removed by scraping with a small flat jewellers screwdriver.
I now have back in stock the best coil building wire that is available, It is the best that you can use for making coils for the Minelab Gold detectors that need specific coil properties. The Wire has a very good low loss dielectric that is as good as Teflon but you can glue it to make stable coils. I can ship this wire overseas, I have a couple of customers in the U.S that make Minelab coils .
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