Original TELEFUNKEN REN1104 tubes
PERFECTLY MATCHED PAIR 150% GERMANY 1930's
      Vacuum TRIODE Power/Output
Vf 4 Volts / If 1 Ampere
made by TELEFUNKEN Germany in 1930's
 tested with the great 150% results, perfectly matched:
tube 1 Ia = 18mA
tube 2 Ia = 18mA
where 100% for the new tube is 12mA
  the tubes have Europe 5-pins base B5 O5A
you will get the tubes you can see at the pictures
Price is for the matched pair (2 tubes)
I always send the tubes by priority registered mail with tracking number within hours after receiving payment