FAQ

The E61 group head was introduced by Faema in 1961 and has since been adopted by many companies for their espresso machines. It was designed primarily for temperature stability and manual pre-infusion.

 

However, the E61 has its drawbacks, including a lengthy 25-minute heat-up time and significant energy consumption.

 

Now, in 2024, it’s time for a revolution.

 

Our S61M addresses these issues with a heat-up time of just 5 minutes and features true pre-infusion on our Raphael machine, thanks to our Step Profile Patent. Additionally, it offers substantial energy savings.

The perfect temperature to brew the best espresso is typically between 90°C and 96°C (194°F and 205°F). This range allows for optimal extraction of the coffee’s flavors, balancing acidity, sweetness, and bitterness. Most experts recommend starting around 93°C (199°F) and adjusting slightly based on the specific coffee beans and personal taste preferences. We also recommend to have a conversation with your roaster

Absolutely, you can use any type of milk you prefer. Our machines are equipped with powerful steam systems capable of creating perfect latte art with any milk variety.

Heat Exchangers (HX)

– Single Boiler System: Heat exchanger machines use a single boiler with a separate heat exchanger tube inside. It will make it hard for you to have different temperatures for the different sort of coffees. Especially for the 90 degree brews.

 

– Simultaneous Brewing and Steaming: They allow for simultaneous brewing and steaming, as the heat exchanger provides steam while maintaining a brewing temperature. But the problem you have is that the brewing temperature is not stable from shot to shot if you not control your cool flash

 

– Temperature Control: Temperature stability can be less precise compared to dual boilers, as the brewing temperature is influenced by the steam temperature.

 

– Efficiency: Generally more energy-efficient than dual boilers. Except our new S61M Boilers where we are  more energy-efficient even more than heat exchangers.

 

 

 

Dual Boilers:

– Two Boiler System: Dual boiler machines have two separate boilers – one for brewing and one for steaming. Which allows you to set the temperature you need, while you want to taste the many kinds of coffee.

 

– Precise Temperature Control: Each boiler can be individually controlled, allowing for precise and consistent brewing and steaming temperatures.

 

 

– Simultaneous Operation: They offer excellent performance for simultaneous brewing and steaming without temperature fluctuations.

 

– Heating Time: 5 Minutes – against 25 mins of the heat exchangers.

 

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