12AU7AECC82Branded El MencoPinched TipCountryUSAGlass ColorClear GlassMicaDouble MicaPermanentid11eb2oiy9mPin ColorSilver PinsPlate ColorMatte GrayPlate LookRibbed / ScalePlate Size14mmTip ShapePinched TipMore 12AU7A type tubes12AU7AHitachiBranded Marconi Radiotron12AU7ABranded Toshiba12AU7ABranded General Electric12AU7A, ECC82MatsushitaBranded Lindal12AU7ABranded Heintz & Kaufman12AU7ARCABranded Superior12AU7ABranded Arcturus12AU7ABranded Raytheon12AU7AMullardBranded Rogers12AU7A, ECC82Branded RCAMore ECC82 type tubesECC82Branded Brimar12AU7, ECC82SiemensBranded ATESECC82, F3Branded MullardECC82, I61MullardBranded ValvoECC82, 12AU7, K61Branded Mullard12AU7A, ECC82MatsushitaBranded LindalECC82, 12AU7Branded PinnacleECC82, B329, K61MullardBranded MarconiECC82Branded TungsramECC82Branded ATESMore tubes branded El Menco12AX7, ECC83MullardBranded El Menco