Mahlkönig E65W GbS – The Smart Espresso Grinder for the Connected Foodservice Industry

Note – Display Model:
This product is a display model. The packaging has already been opened, but the device is in perfect working order and comes in its original packaging. It may show slight signs of use.

You receive the full 2-year manufacturer’s warranty.
Please note: Exchanges are not permitted. Of course, your statutory warranty rights apply in the event of a defect upon receipt.

If you have any questions about the condition of this one-of-a-kind item, please feel free to email us—we’ll be happy to assist you transparently.

The Mahlkönig E65W GbS sets new standards in the professional coffee sector. It combines the highest precision, speed, and durability with state-of-the-art digital technology. Whether in cafés, roasteries, bakeries, or hotel bars—this grinder is designed for continuous daily use and, thanks to its Cloud Connect and Sync capabilities, lays the foundation for a new generation of connected coffee preparation.

Perfection at the touch of a button

The E65W GbS utilizes Grind-by-Weight technology and a high-precision load cell that measures the ground coffee up to 6,000 times per second during the grinding process. This ensures that every portion is precisely dosed—regardless of bean type, humidity, or operator. The result: consistent espresso quality in every cup.

Automation & Precision for Professional Environments

With Automatic Grind Size Adjustment (AGSA), the grinder automatically adapts to saved grind recipes. Two sensors—one on the conical shaft, one on the motor—enable micrometer-precise adjustments of 0.001 mm. This ensures consistent extraction times, even with high throughput and changing staff. The integrated portafilter detection and illuminated spout ensure a smooth workflow in the hectic daily routine of a barista.

Cloud Connect & The Sync System

The E65W GbS’s cloud-enabled electronics are compatible with the Mahlkönig Sync System. Settings, statistics, and maintenance data can be centrally managed via the cloud. When paired with a compatible espresso machine, the grinder communicates wirelessly to automatically adjust grind parameters based on extraction data. This ensures that every cup of espresso delivers the same quality—regardless of location or operator.

Compatible La Marzocco Models (AV / ABR)

  • La Marzocco Strada S
  • La Marzocco KB90
  • La Marzocco Linea PB / Linea PB X
  • La Marzocco Linea Classic S
  • La Marzocco GB5 S / GB5 X

Additional cloud-enabled machines such as Synesso or Modbar will be gradually integrated into the Sync system. This makes the E65W GbS a future-proof investment for modern coffee shops.

Technical Specifications

  • Voltage / Power: 220–240 V // 50/60 Hz // 440 W | 110–127 V // 580 W | 100 V // 550–700 W
  • Idle speed: 1,400 rpm (50 Hz) – 1,700 rpm (60 Hz)
  • Grinding discs: 65 mm special steel, service life approx. 800 kg
  • Average grinding capacity: 4–6 g/s @ 250 µm
  • Bean hopper: 1,200 g (optional 250 g or 1,800 g)
  • Dimensions (W × H × D): 19.5 × 62 × 28.3 cm
  • Weight: net 12.2 kg / gross 14.0 kg
  • Certifications: CE, CB, ETL Safety, ETL Sanitation, UL 763, CSA C22.2 No. 195, NSF/ANSI 8
  • Colors: Matte black or matte black-white (polished aluminum)

Product Highlights

  • Grind-by-Weight technology for precise, real-time weight-based dosing
  • Disc Distance Detection (DDD) for micrometer-precise grind setting
  • Active cooling system for constant grinding temperature and maximum aroma retention
  • Zero calibration in 10 seconds – tool-free, simple, and fast
  • High-resolution 88.3 mm display with real-time feedback
  • Cloud Connect for centralized management of multiple grinders and digital maintenance
  • Sync App for easy setup, analysis, and optimization of daily grinding processes

Accessories & Options

Accessories Item code Description
250 g bean container MK-700995 Compact container for specialty beans
Bean container 1,800 g MK-703071 Extended container for high volumes
Grinding disc tool MK-700974 For quick replacement of grinding discs
Calibration weight 1 kg weight for precise GbW calibration
CB-certified aluminum adapter For can compatibility and bar integration


Benefits for restaurants and roasteries

  • Maximum operational reliability: For 16-hour days with consistent performance
  • Higher ROI: Consistent quality reduces waste and readjustments
  • Quick training of new employees: Thanks to Grind-by-Sync, virtually no prior barista experience required
  • Cross-location control: Parameters can be stored and shared centrally
  • Quiet operation: Ideal for open-concept cafés with direct customer contact

Conclusion

The Mahlkönig E65W GbS is the espresso grinder for anyone seeking the highest precision, efficiency, and future-proofing. With Grind-by-Weight, automatic grind adjustment, and Cloud Connect, it takes coffee preparation to a new level—precise, reproducible, and digitally controlled. For businesses that value quality, consistency, and smart process control.

Información sobre el fabricante

Hemro Manufacturing Germany GmbH, Tilsiter Strasse 144, 22047 Hamburg, www.mahlkoenig.com, info@hemrogroup.com

* Bonität vorausgesetzt. Ratenbeispiel für PayPal Ratenzahlung: effektiver Jahreszins 12,49 % p.a., fester Sollzinssatz 11,80 % p.a., Laufzeit 24 Monate. Genaue Konditionen und Gesamtkosten werden im nächsten Schritt von PayPal angezeigt. Angebot gültig nur für Kunden mit Wohnsitz in Deutschland. Weitere Infos zur Bonitätsprüfung.

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Compatible accessories for your Mahlkönig

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Frequently Asked Questions

I bought a new coffee grinder from Naturbohne and there are coffee residues in it.

Please note: Some manufacturers test their coffee grinders before shipping, which means that small coffee residues or bean residues can occasionally be found in the grinder. This procedure is used to test functionality and is considered a quality feature. Of course, we only sell new products - unless expressly stated otherwise.

Static charge – coffee grounds spray out from the side

With some coffee grinders, the ground coffee can become statically charged and spray out of the portafilter at the side. This means that not all of the ground coffee gets into the portafilter, which can lead to uneven extraction. Our recommendation: Use a dosing funnel to ensure that all of the ground coffee is precisely fed into the portafilter - for optimal espresso enjoyment.

What is dead space in coffee grinders?

Conventional coffee grinders often leave a so-called dead space in which coffee residues accumulate. These residues can not only affect the freshness, but also lead to old and fresh coffee grounds being mixed, which negatively affects the taste. In contrast, single dose grinders have a well-thought-out design that eliminates the dead space. Each portion is ground individually and precisely so that no residues are left behind - for a consistently pure and full-bodied coffee experience.

Which portafilter fits my espresso machine?

When choosing the right portafilter for your portafilter machine, it is important to know that each manufacturer develops its own brewing group - the most well-known is the Faema E61. However, this does not mean that any portafilter will fit without any problems. An incompatible portafilter can leak, which will have a direct negative impact on the quality of your espresso. We therefore recommend using either the portafilter originally supplied or one that is explicitly stated to be compatible with your machine. This will ensure that the pressure is optimally built up and the espresso is perfectly extracted.

Can I visit you or pick up the goods personally?

Yes, of course, you are welcome to come by and look at our products by appointment. We would be happy to advise you personally. The best thing to do is to send us an email with a few suggested appointment times.

We are located 5 minutes from the motorway between Stuttgart and Lake Constance on the edge of the Black Forest.

Important note, first use coffee grinders

Another little tip for the perfect start with your new mill:

You will get the best grinding result after you have ground about 1-2 kg of beans. It is best to use a few cheap beans so that the grinder can work optimally. And if you are wondering what you can do with the bean flour - it is perfect plant fertilizer! 🌿

It contains nitrogen, potassium, sulfur and phosphorus and is a real nutrient bomb for your plants.

¿Pueden realizar una calibración de offset en mi máquina de portafiltro?

Existen varios argumentos en contra de una calibración de compensación en las máquinas de portafiltro Lelit, especialmente en modelos como la Lelit Bianca. Estos se refieren principalmente a la complejidad y las limitaciones de la compensación como única solución para problemas de temperatura:

  1. Fluctuaciones de temperatura e inestabilidad. La compensación considera una diferencia constante entre la temperatura de la caldera y la temperatura de preparación. Sin embargo, en la práctica pueden ocurrir fluctuaciones de temperatura, por ejemplo, debido a tiempos de espera prolongados o preparación continua. Esto hace que la temperatura de preparación real no siempre sea predecible con precisión.
  2. Dependencia de las condiciones ambientales. Factores como la temperatura ambiente, la humedad y el estado de la máquina (por ejemplo, el tiempo de calentamiento) afectan significativamente la temperatura de preparación. Una compensación fija no puede equilibrar dinámicamente estas variables, lo que puede llevar a resultados inexactos.
  3. Pérdida de calor durante los tiempos de espera. Después de pausas prolongadas, el grupo de preparación se enfría y la máquina necesita tiempo para volver a la temperatura deseada. Una compensación correctamente ajustada no puede compensar esto, por lo que son necesarias medidas adicionales como un "Cooling Flush".
  4. Desajustes de fábrica. En algunos modelos de Lelit se ha encontrado que la compensación de fábrica a menudo está configurada de manera inexacta (por ejemplo, de 4 a 8 grados demasiado baja en la Lelit Bianca). Esto requiere una recalibración manual por parte de personal especializado, lo cual puede ser complicado para los usuarios finales.
  5. Malentendidos en la aplicación. Muchos usuarios están confundidos por la información contradictoria sobre la configuración de la compensación, lo que puede llevar a ajustes incorrectos. Por ejemplo, a menudo se espera que la compensación por sí sola resuelva todos los problemas de temperatura, aunque solo es parte de un sistema más complejo.

Conclusión
La calibración de compensación es una herramienta útil, pero no debe considerarse de forma aislada. Una combinación de control PID preciso, mantenimiento regular y técnicas adaptadas (por ejemplo, "spülshots") es necesaria para lograr resultados óptimos de preparación.

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