6SN7GTBranded PhilipsMiniwattRound TipBaseBlackBottle HeightHalfBottle ShapeSkinny BottleCountryHollandGlass ColorClear GlassMicaDoublePermanentid3if3g3t3Pin ColorSilver PinsPlate ColorMatte GrayPlate LookRibbed / ScaleTip ShapeRound TipMore 6SN7GT type tubes6SN7GTBranded Cossor6SN7GT, VT-231RCABranded Crc6SN7GT, VT-231Branded Ge6SN7GTBranded CbsHytron6SN7GT, R92Branded Mullard6SN7GT, R93MazdaBranded PhilipsMiniwatt6SN7GTBranded Brimar6SN7GTBranded Sylvania6SN7GT, VT-231Branded Tung-Sol6SN7GTBranded 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