La Marzocco Linea PB X AV Espresso Machine5 years after the launch of the Linea PB, which has become a trusted industry workhorse, La Marzocco introduced a version of the machine equipped with the most advanced La Marzocco technologies. These include pre heating system, independent boilers, hot water mixing valve accessible from the side panel and Pro Touch steam wands. The Linea PB X features refreshed aesthetics based on the presence of barista lights as standard and white details such as