Very rare original TUNGSRAM AS4125 used tube
Direct replacement for TELEFUNKEN RENS 1274
from 1930's
Vacuum Pentode RF/IF-Stage
The tube is probably unused, looks great, tested with the great results:
Ia = 4,5mA
where 100% for the new tube is 3mA
the tube has Europe 5-Pin (O5A, B5) base, top contact screw type
you will get the tube you can see at the pictures
I always send the tubes by priority registered mail with tracking number within hours after receiving payment