Driver circuit designed by Rickard Berglund of Europe.

Tube complement - 845 x2, 5881 x2, 12AU7, 12AX7.
Class-A零回輸單端後級，採用nos美國管座，軍級或可靠性高級零件，高低電壓分體火牛，4,8,16 ohm喇叭輸出。