130 bucks shipped for both pairs. I will only split if I can get 2 buyers.1 pair of TFK labeled, but Siemens or Valvo construction.
Measured by previous owners ( I never used the tubes as my ELL-80 Grundig amp is still in the clinic)
Tube 1, 1st section;
Ia = 22mA
Gm = 6.0 mA/v
Tube 1, 2nd section;
Ia = 22mA
Gm = 5.6mA/v
.Tube 2, 1st section;
Ia = 20mA
Gm = 5.5mA/v
Tube 2, 2nd section;
Ia = 20mA
Gm = 5.5mA/v
1 pair of RCA labeled, but made in the Deutschland by Siemens or Valvo.
1300/1250 1225/1226
