Nokta Makro Simplex Coils & Shafts
The right Nokta Makro Simplex coils change how deep and how clean your detector hunts: the stock coil suits most sites, a larger coil adds depth in open ground, and a smaller coil improves separation in trash. Add a carbon-fiber shaft and protective covers and you have the full upgrade path. Here is how to choose.
Coil options
- Stock coil - the coil most Simplex units ship with (owners commonly reference the SP24) is a good all-rounder for coins and relics.
- Larger coil (e.g. SP35) - more ground coverage and depth for open fields and pastures, at the cost of a little separation and weight.
- Smaller / sniper coil - better target separation in iron-infested and trashy ground, and lighter on the arm.
Match the coil to the site rather than buying the biggest one by default - depth is only useful if you can still separate the good targets from the junk.
Shafts and protection
A carbon-fiber shaft is a popular upgrade: it is durable, light and, on the newer Simplex generation, retracts down to 25 inches for transport and diving. Two cheap but worthwhile protective accessories round things out - a coil cover to shield the bottom of the coil from abrasion, and a screen protector to keep the display scratch-free. Both cost little and extend the life of the parts that take the most wear.
Fitment and compatibility
Stick to coils made for the Simplex and keep your firmware current. Third-party coils can cause issues: one owner reported that after fitting a non-stock 9.5 x 5.5 inch coil, "it freezes the screen" during use. If that happens, revert to a compatible coil, update firmware, and confirm the connector is fully seated. For wider setup help, see the Simplex manual and Simplex settings pages, and keep firmware fresh via Simplex firmware updates.
What owners say
Here is what detectorists say about this on public forums:
I bought a Nokta Macro Simplex Plus detector and bought a Nel 9.5 X 5.5 coil. I hooked it up to my detector and it freezes the screen while ... treasurenet.com
Frequently Asked Questions
What coil does the Nokta Simplex come with?
It ships with a stock coil suited to general coin and relic hunting; owners commonly refer to it as the SP24. Larger and smaller coils are available as upgrades.
Can I use a third-party coil on the Simplex?
You can, but some owners have reported screen-freezing with certain non-Nokta coils. Using coils designed for the Simplex and keeping firmware updated avoids most compatibility problems.
Is the carbon-fiber shaft worth it?
For many users, yes - it is light, durable and collapses short for travel and diving. It is a comfort and portability upgrade rather than a performance one.
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