Minelab GPZ 7000 Gold Metal Detector

Minelab GPZ 7000 Gold Metal Detector with Zero Voltage Transmission (ZVT)

At a glance

The Minelab GPZ 7000 uses ZVT (Zero Voltage Transmission) technology for extreme depth on gold in mineralized ground. It remains the reference metal detector for gold at depth, the GPZ 7000 metal detector being the gold detector prospectors grade newer machines against. 3.32 kg (7.32 lb) with the standard GPZ 14 14x13 in (36x33 cm) Super-D coil and battery, coil waterproof to 1 m (3.3 ft, control box not submersible), integrated GPS with XChange 2 mapping, and a removable 7.2 V / 72 Wh Li-ion pack. 3 year Minelab warranty. History Seekers Metal Detectors is an authorized Minelab dealer; every GPZ 7000 we sell is new, ships from Minelab's authorized US distributor, and carries the full 3-year Minelab warranty.

ZVT: Depth Built for Difficult Ground

The GPZ 7000 runs Minelab's Zero Voltage Transmission technology, engineered specifically for gold prospecting in mineralized, iron-stained, and salt-affected ground where conventional VLF and PI detectors lose signal to ground noise. The 14x13 in (36x33 cm) Super-D coil pairs a central transmit winding with two outer receive windings to cut mineral interference and hold a stable threshold, so faint deep signals on fine and large nuggets alike stay readable instead of drowning in ground chatter. Minelab's own figure for the platform is up to 40 per cent more depth than its previous GPX Series detectors.

Wi-Stream wireless audio pairs with the included WM 12 wireless module and Koss UR-30 headphones, and the built-in GPS logs WayPoints, FindPoints and full GeoHunt paths that the included XChange 2 PC software puts on Google Maps, so a season of ground you have covered is never a guess.

Why the GPZ 7000

Minelab builds four dedicated gold machines, and the GPZ 7000 is the one you buy when the gold you are after is deep and the ground is bad. Its three Gold Modes (High Yield, General, Extra Deep) and three Ground Type settings (Normal, Difficult, Severe) let you match the detector to the size of gold you expect and the mineralization under the coil, rather than living with one compromise setting. The Minelab GPZ 8000 is the next-generation GeoZVT platform with a lighter body and the Z-Set coil range; the Minelab GPX 6000 is the lighter GeoSense-PI machine most working prospectors swing all day; the Minelab SDC 2300 runs an 8 in (20 cm) round Monoloop coil and takes a Li-ion pack or four C cells, for the prospector who wants a smaller Minelab gold machine. The GPZ 7000 sits between them on weight, and its built-in GPS and XChange 2 mapping log every find and every pass you make.

Other dealers frame the GPZ 7000 as the machine that "puts gold under the coil a GPX leaves in the ground," and one of them lists its operating principle as pulse induction, which it is not. ZVT is Minelab's own transmit technology, distinct from PI, and Minelab publishes no fixed depth figure for it because depth depends on nugget size and ground. What we can tell you is what the settings do, how the 3.32 kg (7.32 lb) weight is carried, and where the limits are, so you buy the right Minelab gold detector the first time.

Feature	GPZ 7000	GPZ 8000	GPX 6000
Technology	ZVT (Zero Voltage Transmission)	GeoZVT	GeoSense-PI
Weight	3.32 kg (7.32 lb) with GPZ 14 coil and battery	2.78 kg (6.1 lb) with Z18 coil	2.1 kg (4.6 lb) with GPX 11 coil
Standard coil(s)	GPZ 14 14x13 in (36x33 cm) Super-D	Z18 18 in (46 cm); 3 Coil Pack adds Z17 and Z13	GPX 11 11 in (28 cm) and GPX 14 14 in (36 cm) in the US box
Ground settings	3 Ground Types (Normal, Difficult, Severe) plus 3 Gold Modes	4 Ground Types	2 Ground Types (Difficult, Normal)
Waterproofing	Coil to 1 m (3.3 ft); control box not submersible	Detector and coil IP67 to 1 m (3.3 ft) for 30 minutes	Coils to 1 m (3.3 ft); detector splash and rain resistant
Battery	Removable 7.2 V / 72 Wh Li-ion pack	Removable Li-ion, two in the box	Removable Li-ion

Choose the GPZ 7000 for deep gold in severe ground with GPS logging of every find. Everything that fits it is on our What Fits the Minelab GPZ 7000 page.

Technical Specifications

Spec (Minelab)	Value	What It Does in the Field
Technology	ZVT (Zero Voltage Transmission); key technologies ZVT, Super-D, GPSi, Wi-Stream	Ultra-constant high-power transmit fields for depth on gold of all sizes in mineralized ground.
Gold Modes	High Yield, General, Extra Deep	Pick by the gold you expect: fine and shallow, mixed, or large and deep.
Ground Type	Normal, Difficult, Severe	Match the compensation to the mineralization instead of running one setting everywhere.
Ground balance	Automatic and manual, Quick-Trak trigger	Re-balance on the trigger as the ground changes without stopping the hunt.
Standard coil	GPZ 14 14x13 in (36x33 cm) Super-D, waterproof to 1 m (3.3 ft)	Central transmit winding with two outer receive windings cuts ground noise.
Sensitivity	1 to 20	Run it up in quiet ground, back it off where EMI or hot rocks chatter.
Noise cancel	Automatic and manual, 256 channels	Steps around power lines and other detectors on a busy patch.
Threshold	50 levels, 100 pitch options	Set the hum where your ears hear the faintest break in it.
Audio	100 audio tone levels, volume 1 to 20, continuous target tones, fixed ferrous volume	Tailor the sound to your hearing and let the tone carry the target size.
Audio outputs	Built-in loudspeaker, wired 6.35 mm (1/4 in) headphones, CTX 3030 waterproof headphones, Wi-Stream wireless via the included WM 12 module	Wireless in the desert, wired at the creek, speaker when you want to hear the ground and your partner.
Included headphones	Koss UR-30, 100 ohm, wired	Plug into the WM 12 for wireless audio or straight into the detector.
GPS and mapping	Built-in GPSi; WayPoints, FindPoints, GeoHunts; XChange 2 PC software (USB) on Google Maps	Log every nugget and every pass so you can grid a patch and come back to the producers.
Display	Full color LCD; white display and keypad backlight, 1 to 10	Readable at first light and after dark.
Weight	3.32 kg (7.32 lb) with standard coil and battery	Carried on the included Pro-Swing 45 harness and GA 10 guide arm for full days.
Length	Collapsed 117 cm (46.1 in); extended 152.6 cm (60.1 in)	Fits tall and short swingers; collapses for the truck.
Waterproof	Coil only, to 1 m (3.3 ft); control box, WM 12 and headphones are not submersible	Creek crossings and wet washes with the coil under water, body kept dry.
Operating temperature	0 to +50 C (+32 to +122 F)	Rated for desert summer heat and cold-morning starts.
Battery	Removable 7.2 V / 72 Wh Li-ion pack; BC 10 charger, car battery charging cable and universal charging cable kit included	Charge at camp from the truck or the wall.
Discrimination	All Metal	A gold machine: it hears everything and leaves the sorting to you.
Warranty	3 year Minelab warranty, control box and coil	Full factory coverage on every unit we sell.
Part number	3301-0003	Minelab's part number for the GPZ 7000 with the GPZ 14 coil.
Condition	New	Never demo, never open box.

What's Included

• Minelab GPZ 7000 detector with GPZ 14 14x13 in (36x33 cm) Super-D coil, waterproof to 1 m (3.3 ft)
• Rechargeable 7.2 V / 72 Wh Li-ion battery pack
• Pro-Swing 45 harness
• Koss UR-30 wired headphones
• WM 12 wireless audio module
• Universal charging cable kit
• Car battery charging cable
• BC 10 battery charger
• GA 10 guide arm (swing arm)

Who it is for

The GPZ 7000 is a serious gold prospecting metal detector for detectorists working mineralized ground where depth on fine and deep nuggets matters more than speed or weight. If you want the widest coil selection and the most recent Minelab gold platform, see the GPZ 8000. For a lighter, PI-based option on modern gold ground, see the GPX 6000.

Honest limits: at 3.32 kg (7.32 lb) it is the heaviest of Minelab's current gold machines, which is why the harness and guide arm ship in the box and why we tell buyers to use them from day one. Only the coil is waterproof; the control box, the WM 12 module and the headphones stay dry. It is an all-metal gold nugget detector with no discrimination, so it is the wrong tool for coins and relics in trashy parks. It is an advanced machine, and a first gold detector for most people is not this one.

Minelab Military Discount

Minelab offers a military discount program on Minelab detectors, and the GPZ 7000 qualifies. Contact us directly at 256-284-2247 for details and to order with the discount. Not combinable with other promotions or discounts.

Frequently Asked Questions

Is the GPZ 7000 waterproof?

The 14x13 in (36x33 cm) Super-D coil is waterproof to 1 m (3.3 ft). The control box, the WM 12 wireless module and the headphones are not submersible.

How much does the GPZ 7000 weigh?

3.32 kg (7.32 lb) with the standard coil and battery attached, per Minelab's published specifications. The Pro-Swing 45 harness and GA 10 guide arm in the box carry that weight for you.

What is ZVT technology?

Zero Voltage Transmission is Minelab's transmit technology built for gold prospecting in mineralized ground. It generates ultra-constant high-power magnetic fields and, with the Super-D coil, holds a stable threshold so faint deep signals stay readable in ground noise that would mask them on conventional VLF and PI detectors.

How deep can the GPZ 7000 detect gold?

Minelab publishes no fixed depth figure, because depth depends on nugget size and ground mineralization. Minelab's stated claim is up to 40 per cent more depth than its previous GPX Series detectors. Extra Deep mode with the Ground Type set to Severe is the combination for large gold at depth in the worst ground; High Yield is the setting for fine and shallow gold.

How does the GPZ 7000 compare to the GPZ 8000?

The GPZ 8000 runs GeoZVT, weighs 2.78 kg (6.1 lb) with its Z18 coil, is IP67 rated as a whole detector to 1 m (3.3 ft), and uses the Z-Set coil range (Z18, Z17, Z13). The GPZ 7000 runs ZVT, weighs 3.32 kg (7.32 lb) with the GPZ 14 coil, and has a waterproof coil only. Both are all-metal gold machines with a 3-year Minelab warranty.

GPZ 7000 vs GPX 6000: which one do I need?

Choose the GPZ 7000 for ZVT depth in severe, mineralized ground and for GPS logging of your finds. Choose the GPX 6000 if all-day swing weight matters more: it is a 2.1 kg (4.6 lb) GeoSense-PI machine with two Ground Types (Difficult and Normal) and two coils in the US box. Many serious prospectors own both and pick by the patch.

Is History Seekers an authorized Minelab dealer, and what warranty comes with the GPZ 7000?

History Seekers Metal Detectors is an authorized Minelab dealer; every GPZ 7000 we sell is new, ships from Minelab's authorized US distributor, and carries the full 3-year Minelab warranty on the control box and coil. Minelab's military discount program applies to the GPZ 7000; contact us directly to order with it.

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Who you are buying from

History Seekers is a small American business and a working detecting channel: over 1.1 million people follow our hunts on Facebook and YouTube. Everyone here detects, from the top down: gold, relics, coins, jewelry, even float copper. We hunt with the gear we sell, and the person who answers your call has real dirt time. Every purchase keeps everyday Americans working.

History Seekers Metal Detectors is an authorized Minelab dealer. Every GPZ 7000 we sell is new, ships from Minelab's authorized US distributor, and carries the full 3-year Minelab warranty, and your setup questions get answered by detectorists who have run Minelab gold machines on real ground. We will help you pick your Gold Mode and Ground Type for your patch, set up the harness, and get the WM 12 paired before your first swing.

The story is more important than the artifact.