Pressure Profile Machines
These are the new kids on the block and as well as having temperature control for the extraction it is also possible to alter the pressure profile of the coffee, the pre infusion can be controlled and also the range of the pressure it is possible to mimic the pressure profile of a lever machine without the effort of pulling the lever. It is possible in some for the machine to memories different profiles so these can be replicated. They often have far more sophisticated software.
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