Nokta SP35 13.5" x 12.5" DD Searchcoil for Simplex+

The Nokta SP35 is a 13.5" x 12.5" elliptical Double D searchcoil built exclusively for the Nokta Makro Simplex+ metal detector, delivering significantly more ground coverage per swing than smaller coils while maintaining tight target separation in iron-contaminated sites. Simplex+ owners hunting large open fields, parks, and beaches reach for the SP35 when speed matters. The elliptical geometry covers more area without the weight penalty of a full round coil, and the DD configuration cuts through mineralized soil that would mask targets with a concentric design. The fully waterproof construction preserves the Simplex+ detector's submersible rating for surf hunting and stream wading.

What's Included with the Nokta SP35 Coil

• Nokta SP35 13.5" x 12.5" DD searchcoil with integrated cable
• Coil mounting hardware for Simplex+ lower shaft attachment

Why Simplex+ Owners Reach for the SP35

• Increased ground coverage over smaller coils, reducing sweep count in open areas and letting you cover large sites more efficiently
• Target separation holds in trashy parks because the DD field pattern rejects adjacent iron while locking onto coin-sized targets
• Waterproof rating matches the Simplex+ detector's submersible spec, so you can hunt knee-deep surf and shallow creeks without worrying about seal failure
• Weight stays manageable at under 1 pound, preventing the arm fatigue that plagues detectorists swinging oversized round coils for three-hour sessions
• The elliptical shape fits between playground equipment, park benches, and fencelines where a larger round coil would snag or force awkward angles

Wider Sweep Efficiency in Open Fields and Beaches

The SP35's 13.5" x 12.5" footprint shines in environments where target density is low and you need to cover ground fast. We've run this coil on dry sand beaches where coins and rings are scattered across wide beach faces. The larger coil width means each pass overlaps less, and you can walk a straight grid pattern without worrying about gaps. The DD transmit-receive geometry provides enhanced depth on larger targets like silver dollars and jewelry in dry sand.

In open fields and pastures, the SP35 lets you walk wider transect lines, reducing total detecting time in open areas. The coil's elliptical shape also maneuvers around fence posts and through tall grass more easily than a round coil of equivalent area.

DD Configuration Performance in Mineralized Ground

The SP35's Double D coil design transmits a blade-shaped electromagnetic field instead of the cone pattern a concentric coil produces. This blade pattern penetrates mineralized soil with less ground noise, which matters on Midwest red clay sites and volcanic black sand beaches where iron mineralization would cause a concentric coil to chatter. We've used the SP35 on iron-rich Civil War camp sites where smaller coils required constant ground balance adjustments. The DD field stayed stable, and target separation held even with rusty nails near valuable targets.

The SP35 pairs well with the Simplex+ detector's automatic ground tracking, and you can run higher sensitivity settings without false signals. Understanding metal detector technologies like DD versus concentric field patterns helps you pick the right coil for your soil type.

Specifications

• Compatibility: Nokta Simplex+ only
• Coil Size: 13.5in x 12.5in (34cm x 32cm)
• Coil Type: Double D (DD)
• Shape: Elliptical
• Waterproof Rating: Fully submersible
• Cable: Integrated, coiled design
• Weight: Under 1 lb (454g)
• In the Box: Coil, mounting hardware

Why Buy from Serious Detecting

Serious Detecting is an authorized Nokta dealer, which means every SP35 coil ships with the full manufacturer warranty and our team has field-tested this coil on Simplex+ detectors in beach, park, and relic hunting scenarios. We offer free shipping on all orders, a 30-day return window if the coil doesn't fit your hunting style, and price-match guarantee if you find a lower advertised price. Our team runs Nokta metal detectors in the field and can answer setup questions about coil swaps, ground balance adjustments, and sensitivity tuning for the SP35 on mineralized ground.