Mazzer Kold S Automatic Coffee Grinder - On Demand - 71mm Burrs

Features

Advanced Thermal Protection: Features a double fan system with electronic control alongside a belt-driven transmission designed to keep motor heat away from the grinding chamber. This keeps grounds cooler to preserve delicate coffee flavour and taste compounds.

High-Precision Burrs: Equipped with conical burrs 71mm for single phase that are 100% Made in Italy by Mazzer.

Performance for High Volume: Engineered for high-volume coffee shops with an average grinding speed of 1.4 seconds per 7g dose.

Optimal Grind Quality: Combines high grinding speed with low RPM (420–500 rpm) to ensure uniform grounds and consistent dosing while reducing heat.

Precision Adjustment: Includes a micrometrical grinding adjustment and a high-precision knob with a lap counter to easily track and identify the current grind setting.

Maintenance Without Loss of Settings: The grinding chamber is designed to be easy to clean without losing your established grind settings.

Barista Ergonomics: Features a Soft Motion dosing lever for handier use and better ergonomics , complemented by an integrated aluminium tamper.

Automatic Operation: Utilises an automatic grinding cycle that starts every 12 doses and stops automatically when the coffee doser is full.

Durable Build: The body is constructed from aluminium die casting for long-term reliability in busy environments.

• Use: doser
• Version: AUTOMATIC: functioning with start every 12 doses and stop when the doser is full.
• Power: 800 watt
• Electric version: Available in single and three phase versions.
• Grinding adjustment: Micrometric grind adjustment
• Burrs: conical
• Diameter standard burrs: 186C single phase | 187C three phase, Ø 71 mm - 2¾ inches
• Weight: 30 kg (66 lbs)
• RPM: 420 rpm @50Hz | 500 rpm @60Hz
• Body: aluminum die casting
• Hopper capacity: 1.5 kg (3 | 3 lbs)
• Cooling system: Belt-driven transmission and Split chassis
• Output: high
• Extraction method: espresso

Mazzer Kold S Electronic vs. Automatic – Which is Right for Your UK Café?

If you’re running a high-volume speciality coffee shop in the UK, you’ll know that the Mazzer Kold S is the undisputed heavyweight champion of the grinding world. Engineered to handle the morning rush without breaking a sweat (or overheating your beans), it’s a masterclass in Italian engineering.

But when it’s time to invest in the best high-volume commercial coffee grinder UK available, you’re faced with a choice: Electronic or Automatic? While they share the same DNA, the workflow on your bar will feel completely different. Here is the breakdown for the UK market.

	Kold S Electronic	Kold S Automatic
Dosing Method	On-Demand (Direct to portafilter)	Doser Chamber (Manual lever)
Operation	Grinds only when triggered	Grinds to keep the chamber full
Interface	Digital touch display	Simple power switch/doser lever
Customization	3 programmable timed doses	Manual portioning via lever
Retention	Very Low (Grinds fresh for every shot)	Higher (Grounds sit in the chamber)

 

The Kold S Electronic: Precision for the Modern UK Brew

The Kold S Electronic is the "on-demand" version of this formidable grinder. It’s designed for the barista who treats every gram with respect, making it a strong contender in any Mazzer Kold S review for busy cafés focused on quality.

• Freshness First: It grinds directly into the portafilter only when you need it. This ensures the volatile aromatics stay in the cup, not in a storage chamber, leading to superior espresso flavour. This is key for shops prioritising freshness and minimising waste.

• Tech-Forward: It features a sleek digital display, allowing you to program three different doses to a hundredth of a second. This on-demand vs doser coffee grinder debate often swings in favour of the Electronic for precision.

• Connectivity: With built-in IoT features, you can track your dose counts and burr life via an app—perfect for multi-site owners looking for consistency across the board.

Best for: Speciality coffee shops, boutique eateries, and high-end hotels in the UK where quality, precision, and minimizing waste are the top priorities.

The Kold S Automatic: Speed for the High-Street Rush

The Kold S Automatic is a bit of a traditionalist. It uses a robust doser chamber on the front, which stays primed with pre-ground coffee.

• The "Thwack" Factor: Baristas pull a manual lever to dispense coffee. In an ultra-busy environment, this "dose-and-go" motion is often faster than waiting for a fresh grind cycle, making it ideal for rapid service.

• Self-Refilling: Sensors in the chamber tell the grinder to kick in and top itself up after every 12 doses, ensuring it's always ready.

• Mechanical Simplicity: There are fewer digital components to worry about, making it a rugged "workhorse" for environments where the pace is relentless, such as bustling high-street cafés or train station kiosks.

Best for: High-turnover Italian-style espresso bars or very busy takeaway spots in the UK where speed and continuous throughput are the primary metrics of success.

Key Similarities: Why Both Mazzer Kold S Models Excel

Regardless of which model you choose, the Kold S range is built for thermal stability, a critical factor in preserving coffee flavour. Both models feature:

• Belt-Driven Motors: The motor is offset from the 71mm conical burrs, preventing heat transfer that can "cook" your beans before they hit the water. This belt-driven transmission enhances performance.

• Massive 71mm Conical Burrs: These huge burrs offer a consistent, cool grind even under heavy load.

• Dual Cooling Fans: Keeping the internal temperature stable even during the 8:00 AM commuter surge.

• GFC (Grind Flow Control) System: Utilises wire dampers to eliminate clumps and static, ensuring a fluffy, consistent dose every time.

• Micrometric Grind Adjustment: Allowing for precise, stepless adjustments for ultimate grind size control.

Frequently Asked Questions (FAQs)

What does "on-demand" mean for a coffee grinder? 

"On-demand" means the grinder only grinds coffee when you press a button or activate a sensor with your portafilter. It grinds the exact amount needed for a single or double shot directly into your basket, ensuring maximum freshness for every order.

Is the Mazzer Kold S suitable for a small coffee shop?

The Mazzer Kold S is primarily designed for high-volume commercial use. While it offers incredible quality, its size and capacity might be overkill for a very small shop. Consider your daily shot count to determine if it's the right investment.

How often do the burrs need replacing in a Mazzer Kold S?

The lifespan of the 71mm conical burrs depends heavily on usage. For a busy commercial setting, they typically last for thousands of kilograms of coffee. The Electronic model's IoT features can help track burr usage, providing more accurate replacement guidance.

Can I switch between different coffee beans easily with the Kold S?

Both models allow for quick grind adjustment, but the Electronic (on-demand) version is better for frequently switching beans as there's no doser chamber to clear out. The Automatic model would require emptying the chamber before switching beans to avoid mixing.

What's the main benefit of the belt-driven motor in the Kold S?

The belt-driven motor separates the motor's heat from the grinding chamber and burrs. This prevents the coffee beans from getting overheated during grinding, which can degrade flavour and aroma. It's a key feature for maintaining coffee quality during peak hours.

What is the "GFC system" and why is it important?

The GFC (Grind Flow Control) system uses wire dampers to prevent static and clumping of the ground coffee. This ensures the coffee falls into the portafilter more evenly and fluffily, leading to better distribution and a more consistent espresso extraction.

About the Brand - Mazzer

Mazzer specializes in making high-quality coffee grinders. Their mission is to produce reliable and innovative equipment for the professional coffee sector. Their products are made in Italy with respect for the environment and community. They design and produce all components for durability and use the latest technology. 12% of their annual turnover is invested in R&D.