Gold Cube 4 Stack Deluxe Complete Kit with Pump and Stand

The Gold Cube 4 Stack is the concentrator you move to when panning stops keeping up with your dig. A day of shoveling produces buckets of material, and hand-panning that volume takes longer than gathering it did. This kit runs up to 1,000 lbs. an hour and returns a coffee cup of super concentrates, which turns an evening of panning into a few minutes of finish work.

How the Vortex Stack Separates Gold

Material enters over the slick plate and drops through three separator trays in sequence. Each tray creates an active vortex zone where water motion holds lighter sand in suspension while gravity pulls dense particles down into the trap. Gold is roughly nineteen times the density of water and several times that of the black sand it travels with, so it settles while the rest keeps moving. Because each tray is a fresh separation stage, anything that escapes the first gets two more chances below it.

The fourth level is what separates this kit from the three-tray version. More stages means you can run material faster without pushing fine gold out the back, which is the trade-off that limits most sluices. The system is self-cleaning in normal operation, so you are not stopping to dig out packed riffles mid-session.

Choosing Between the 4 Stack, the 3 Stack, and the Separator

Buy the 4 Stack if you are processing high volumes of material, working black-sand-heavy ground, or chasing fine gold where a single missed stage costs you real weight. The extra tray earns its price on difficult material, not on easy material.

If you are running smaller volumes, hiking your setup to the water, or working cleaner gravels, the Gold Cube 3 Stack Deluxe does the same job in a lighter, cheaper package and is the honest recommendation for most weekend prospectors.

If you already own a pump you like, look at the 4 Stack Fast Recovery Separator instead. It is the same stack without the pump, stand, and adapters, so you are not paying twice for equipment sitting in your truck.

Running the Cube in the Field

Processing a Day of Dig Material

The workflow that suits this kit is classify first, then run. Screening your material before it reaches the slick plate keeps oversize rock out of the trays and lets you feed at a steady rate rather than in surges. Feed rate is the variable that most affects recovery. Pushing material through faster than the vortex zones can work it is how fine gold leaves the system, and it is the most common reason a prospector concludes a concentrator "isn't catching."

Black Sand and Beach Material

Heavy magnetite loads are where multi-stage separation pays off. Black sand is dense enough to behave somewhat like gold in a single-stage sluice, which is why panning it by hand is slow and unforgiving. Running it through four levels lets each stage shed a portion of the magnetite while holding the gold, so what reaches your cleanup pan is a fraction of the original volume. Prospectors working beach and creek deposits often pair the Cube with a final-stage machine such as the Camel Mining Desert Fox to finish concentrates without hand panning at all.

Getting More From the Same Stack

The trays accept aftermarket matting. A Dream Mat Turbocharge Kit replaces the factory matting and is designed to let you increase feed and flow rates, which matters if you are volume-limited rather than recovery-limited. This is an upgrade to consider after you have run the Cube as supplied and know where your bottleneck actually is.

What's Included

• One slick plate
• Three separator trays
• Stand
• Pump
• Hose
• Hose adapters

Specifications

Why Buy from Serious Detecting

We stock the full Gold Cube range, from the bare separator through to the GOLDBANKER and trommel configurations, so we can tell you which one suits the material you are actually working rather than selling you up by default. Our team answers questions about feed rates, classification, and matching a Cube to your dig volume. Every order ships free, you have 30 days to return it, and we price-match any lower advertised price.

New to concentrate recovery? Our gold panning guide covers the fundamentals of separating gold from black sand, and the rest of our prospecting equipment is here.