Core parts is very important.
Make sure the coffee great in 3 point.
1. Temperature Automatic
Only the best coffee temperature for us. We can chose temperature high or low. But in a right range. If not coffee will be over brew.
2. Pressure Automatic
15 bar is a magic number, it is the link between the accuracy of the machine and the deliciousness of the coffee. Very good to keep the tastes.
3. Brewing time Automatic
Pressure of 15 bar, with appropriate brewing time can make beautiful coffee.