Home/ELECTRON TUBES/Electron tubes/Electron tube 6CC31 TESLA = ECC91 = 6J6 = 6N15PElectron tube 6CC31 TESLA = ECC91 = 6J6 = 6N15P(images are for illustrative purposes only)product ID1000247ManufacturerTesla2.60 $Priceout of stock(recycling fee is counted in the price)