12BZ7RaytheonBranded CEIPinched TipBottle HeightTall BottleCode On TubeEEBACountryUSAGlass ColorClear GlassMicaDouble MicaOther MarksEEBA Raytheon CodePermanentid1320cd3mzsPin ColorSilver PinsPlate ColorMatte GrayPlate Size17mmTip ShapePinched TipMore 12BZ7 type tubes12BZ7Branded Tung-Sol12BZ7Branded Sylvania12BZ7Branded Cbs12BZ7Branded RCA12BZ7Branded Marconi Radiotron12BZ7Branded Westinghouse12BZ7Branded Gold AeroSci-Fi12BZ7Branded CbsHytron12BZ7Branded RCAMore tubes manufactured by RaytheonEL84RaytheonBranded Grommes5670RaytheonBranded RaytheonCK5670RaytheonBranded Raytheon12AX7ARaytheonBranded Lowrey12AX7RaytheonBranded CornellMore tubes branded CEI12AX7ABranded CEI12AX7A, ECC83MatsushitaBranded CEI6CA7, EL34MatsushitaBranded CEIECC83, 12AX7BrimarBranded CEIEL34, 6CA7RFTBranded CEI12AX7RFTBranded CEI6SN7GTBBranded CEIECC82Branded CEI