Input tube : 12HG7
Driver tube : Input tube
Input to driver: n/a
Driver to output: RC
B+: Output stage 850-900 VDC
Rectification: Solid state
Output Iron: Tango XE-20S
Total stages: 2
Power: Don't know
Single Ended
Biasing method: Fixed Bias
http://www.pmillett.com/813_se_triode_amps.htm
