Preamps
Ua--------------------------------1250V
-Ug--------------------------------200V
Ia--------------------------------80mA
Gm----------------------------------3mA/V
1.7K
You-------------------------------------------------5
RL----------------------------------3.4K
Ug(pk)--------------------------------69V
Output power-------------------------------15W

A1 level. Single tube:
Ua--------------------- 1000 1000 1250 V
-Ug----- -- 145 155 209 V
RL----------- 6 9 16 K
Current value------------ --- 90 65 52 mA
Transconductance-------- -- 3.1 -- - mA/V
Ug (peak to peak value)--------- - 110 148 V
Li------------ 1.7 1.9 2.1 K
Pout------- - 24 21 24 W