EL34XF2MullardBranded PhilipsMiniwattRound TipBaseBlackCountryGreat BritainGetterO-O Double GetterGetter SupportDoubleGlass ColorClear GlassMicaDoubleOther MarksHole on the bottom of pin guide.Permanentid8a4364v0Pin ColorSilver PinsPlate LookWeldTip ShapeRound TipMore EL34 type tubesEL34, SYOPhilipsBranded TekadeEL34, XF2MullardBranded SylvaniaEL34RFTBranded ValvoEL34HitachiBranded UltronEL34, 6CA7RFTBranded Trigon6CA7, EL34Branded Giant Electronics Brand6CA7, EL34, XF2MullardBranded AmperexEL34, XF2MullardBranded PhilipsEL34, 6CA7Branded InternationalEL34Branded RFTMore XF2 type tubes6CA7, EL34, XF2MullardBranded RCA6CA7, EL34, XF2MullardBranded BrimarEL34, XF2MullardBranded Philips6CA7, EL34, XF2MullardBranded GeEL34, 6CA7, XF2MullardBranded Dynaco6CA7, EL34, XF2MullardBranded AmperexEL34, 6CA7, XF2MullardBranded SonotoneMore 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 PhilipsEL84Branded PhilipsEL34, XF2MullardBranded Philips6SN7GTABranded PhilipsGZ32Branded Philips7693, E90F, 8F6Branded PhilipsEL34, XF2MullardBranded PhilipsECC83, MC1ValvoBranded PhilipsMiniwattECC40Branded PhilipsMiniwattEL34RFTBranded Philips6SN7GT, R93MazdaBranded PhilipsMiniwattMore tubes branded MiniwattECC83, MC1ValvoBranded PhilipsMiniwattECC83Branded MiniwattDarioE90FBranded MiniwattECC40Branded PhilipsMiniwatt6SN7GT, R93MazdaBranded PhilipsMiniwattECC83 12AX7Branded Miniwatt6189Branded MiniwattDario12AX7SBranded RTCMiniwattDario4654, 4654KBranded MiniwattDarioPhilipsEL34Branded MiniwattDario