12AU7HitachiBranded Hit-RayPinched TipCountryJapanGetterSquare GetterGlass ColorClear GlassMicaDoublePermanentid72aavh1iPin ColorSilver PinsPlate ColorMatte GrayPlate LookRibbed / ScalePlate Size14mmTip ShapePinched TipMore 12AU7 type tubes12AU7, ECC82SiemensBranded ATES12AU7, K61SiemensBranded Telefunken12AU7, GF1SiemensBranded ArtisanECC82, 12AU7, K61Branded Mullard12AU7, K61MullardBranded Tungsram12AU7Branded LansdaleECC82, 12AU7Branded Pinnacle12AU7Branded MazdaECC82, 12AU7FivreBranded Geloso12AU7Branded TungsramMore tubes manufactured by HitachiEL34HitachiBranded Ultron12AU7AHitachiBranded Marconi Radiotron6L6GCHitachiBranded Hit-Ray12AX7AHitachiBranded Baldwin12AU7AHitachiBranded Channel Master6CA7, EL34HitachiBranded Raytheon12AU7HitachiBranded B&KGZ34HitachiBranded ZaerixMore tubes branded Hit-Ray12AX7ABranded Hit-RayHitachi6SN7GTBBranded Hit-RayItt6L6GCHitachiBranded Hit-Ray
