Details：

Preamp board pcb size：210 x 175mm

Preamp tube model： 6922 x 4

PSU board pcb size:250 x 120mm

PSU tube model:5881 x 2 +12AT7 x1

Power supply board input voltage:
AC195V-0-AC195V @100ma
0-AC12.6V
0-AC6.3V
0-AC15V
0-AC15V

HiFi audio resistors components.

Package included:

ARC SP-10 preamp board kit x 1 （PCB+Resistance+Tube Seat）

Power supply board kit x 1 （PCB+Resistance+Tube Seat）

Not included other parts !