Beskrivelse
Russisk version af 12AX7
bemærk glød skal re-wires, hvs den skal bruges i stedet for 12ax7
Made in RUSSIA
E – for long – lived (up to 5000 hours and more) tubes.
V – for mechanically improved tubes.
Russian inscription is ” EB ” “E” designator means ~ extended life “B” designator means ~ improved mechanical constriction).
English inscription is ” EV ” E – for long – lived (up to 5000 hours and more) tubes.
V – for mechanically improved tubes.
