Wednesday, 8 January 2025

Mahlkönig X54 grinder

 The Mahlkönig X54 is a versatile home coffee grinder designed for all brewing methods, from espresso to French press, featuring German-made 54mm flat steel burrs and stepless grind adjustment.

 It offers timed dosing presets, manual control, and a digital display with Wi-Fi connectivity for data and settings. The grinder is known for producing a consistent, static-free grind with good particle distribution and includes interchangeable magnetic front plates for either a portafilter rest or a grounds catch container. 

Key Features
All-Purpose Grinding:
The German-engineered 54mm flat steel burrs, combined with lower RPMs, provide a uniform and consistent grind for a wide range of brewing methods. 

Stepless Grind Adjustment:
A stepless dial allows for fine-tuning the grind size, offering precision from fine espresso to coarse French press. 

Approximate values for the grinding degree
setting are:
• Espresso   01-05
• Café crème 05-15
• Filter coffee 15-25
• FrenchPress > 25



There are four programmable timer presets, along with a manual mode, enable you to easily save and recall your preferred grind times for consistent dosing. 

The X54 features a removable grind chute and an interchangeable magnetic front plate. You can switch between a universal portafilter holder for espresso and a grounds catch container for filter brewing. 
I've got rid of this and added a blind shaker.


The biggest issue I’ve found is the grinders ability to move between the grind settings. On every occasion where I have moved the grinder to filter, upon moving back down to espresso the grinder takes a few shots to settle. 
I think you need to have the grinder running when making these changes. Possibly, there may have been 1/2 a bean stuck between the burrs which was preventing grind adjustment. So running the machine while making the adjustment should free things.

This is a pic of the grinder adjustment mechanism . I'm not a big fan. Making small adjustments esp at espresso settings is a pain.

Quiet Operation:
The grinder operates at a relatively quiet ~70 decibels. 
Speed is quite slow : 1050 RPM

High-Quality Build:
It boasts a robust construction with a durable black anodized aluminum housing and a thick, airtight hopper that holds up to 500g of beans. 

Wi-Fi Connectivity:
A built-in Wi-Fi module connects to a mobile app, allowing you to access usage statistics, settings, and other data. 







It's not designed as a Single-Doser. 
The X54 is designed for use with a full hopper, not for single dosing. 
However I've added a bellows and slow feeder & it works great
You may experience some grind retention in the grind chamber and static esp at coarser settings.
I find that making a purge after changing grind settings is beneficial. Usually I run the grinder while pumping the bellows. This seems to remove 99% of retained coffee.


This is the burr the grinder uses

Material: hardened special steel (uncoated)
Diameter: 54mm
Finish: glass bead blasted for optimal deburring and prevention of burr settling behavior
Hardness: 64-66 HRC (Rockwell)
Medium Setting Grind Life: ca. 500kg







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