A. F. BEAM PENTODE
Base: OCTAL
Uf 6,3 V
If ca 0,5 A

Typical characteristic:
Class A1
Singl tube / Push-Pull
Ua 250 V / 250 V
Ug2 250 V / 250 V
Ug1 -12,5 V / -15 V
Ia 45 mA / 70 mA
Ig2 5 mA / 13 mA
Ra 50 kΩ / -
Ra-a - / 10 kΩ
N 4,5 W / 10W