TUBE 13FM7 Search Results

13GB5

Abstract: Tube 13fm7 13GF7 13FM7 6FM7 Scans-0017294
Contextual Info: 13FM7 Dual Triode W ith H ig h -M u Unit a n d Low -M u Unit DUODECAR TYPE T h e 13FM7 i s t h e same a s t h e 6FM7 e x c e p t f o r t h e f o l l o w i n g i t e m s : H e a t e r C h a r a c t e r i s t i c s and R a t i n g s C u r r e n t .