Description
6BL7 2 RCA 6BX7-GT Vacuum Tubes 1960’s Vintage Black Plate Twin Triodes Hickok TV-7D/U tests read 55/54 and 57/55. A reading of 38/38 is the minimum recommended. One tube stands slightly taller than the other. They feature black plates, copper grid pins, two black grid pin radiator clips at the top and a round getter on the side. The 6BX7-GT is a medium-mu twin triode. The 6BX7 has an amplification factor of 10 and is rated at 7600 umhos. Single plate dissipation is 10 watts. Your purchase will be carefully packed and shipped quickly via the USPS. Shipping discount when purchasing other items using the same ebay buyer ID.