811A Parallel single ended amp

This 811A tube amp DIY project designed by George Filippou and Giannis Spathopoulos. It is the first attempt to work with 811A direct heated triode audiophile tube in parallel single ended topology .
It is based on Shishido 811A tube amp,and the whole project is still in progress.Power output stage uses 2 X 811A tubes in a parallel single ended connection. Plate voltage is 450 Volts. The driver stage uses the 6L6GC tube and the voltage stage the EF86 tube.