The Vostok is a ground-breaking spring leva machine produced by ACS in Naples, Italy and released at HOST Milan 2015.
Like the best spring lever machines, this machine employs the highly regarded San Marco leva group to deliver outstanding espresso-pull after pull.
Where things get special is in the technology.
This machine employs dual boilers and PID control to each group. In addition, each group is actively heated to allow for a 15 minute warm up time from cold to full operating mode. The PID allows for 0.1 deg. C