Triple Diode-Triode
The UABC80 Vacuum tube is a common type European valve.
It was first developed by Tetefunken in 1952 and uses a Noval
9 pin socket.
Electrical Data:
Heater Voltage ................................ 28 V
Heater Current ................................ 0.1 A
Preferred Substitutes ........... 10LD12, 28AK8, DH109