6CA7EL34XF4MullardBranded GePinched TipBaseBlackBrand ExtendedGeneral ElectricCode On TubeXf4 B7C3CountryGreat BritainFactory CodeB - Mullard, Blackburn, B - Mullard, BlackburnGetterO-Getter PlateGlass ColorClear GlassPermanentidia9k044mPlate ColorMatte GrayPlate LookWeldTip ShapePinched TipMore 6CA7 type tubesEL34, 6CA7RFTBranded Trigon6CA7, EL34Branded Giant Electronics Brand6CA7, EL34, XF2MullardBranded AmperexEL34, 6CA7Branded International6CA7, SYOBranded Rogers6CA7, EL34MatsushitaBranded Raytheon6CA7Branded ArcturusEL34, 6CA7, XF2MullardBranded Siemens6CA7, XF4Branded Marconi6CA7, EL34RFTBranded El-MencoMore EL34 type tubesEL34, SYOPhilipsBranded TekadeEL34, XF2MullardBranded SylvaniaEL34RFTBranded ValvoEL34HitachiBranded UltronEL34, 6CA7RFTBranded Trigon6CA7, EL34Branded Giant Electronics Brand6CA7, EL34, XF2MullardBranded AmperexEL34, XF2MullardBranded PhilipsEL34, 6CA7Branded InternationalEL34Branded RFTMore XF4 type tubesEL34, XF4PhilipsBranded Valvo6CA7, XF4Branded MarconiEL34, XF4Branded MullardEL34, XF4MullardBranded TungsramEL34, 6CA7, XF4Branded Svetlana6CA7, EL34, XF4MullardBranded General ElectricEL34, XF4MullardBranded PhilipsEL34, XF4MullardBranded Philips6CA7, EL34, XF4Branded Quality BrandEL34, 6CA7, XF4Branded MullardMore tubes manufactured by MullardEL34, XF2MullardBranded SylvaniaCV491Mullard6CA7, EL34, XF2MullardBranded AmperexEL34, XF2MullardBranded PhilipsEL37MullardBranded AmperexECC33, FX1MullardBranded ValvoEL34, XF2MullardBranded PhilipsECC82, I61MullardBranded ValvoEL34, 6CA7, XF2MullardBranded Siemens12AU7, K61MullardBranded TungsramMore tubes branded Ge6SN7GT, VT-231Branded Ge5670WBranded Ge5751Branded Ge12AX7Branded Ge7591ASylvaniaBranded GeGL-5670Branded Ge6FQ7, 6CG7Branded Ge12AX7WABranded Ge12AX7Branded Ge6SN7GTBBranded Ge
