Matched Pair General Electric GE 6K6 6K6GT Vacuum Tubes Black Glass North Carolina Press black T plates

black T plates

tall bases

The title says it all

12AT7s are notorious for their unmatched triodes and their deviation from nominal parameters

Picture Three) and 2500 for Tube Two (Cracked base

Matched Pair General Electric GE 6K6 6K6GT Vacuum Tubes Black Glass North Carolina Press black T platesThis matched pair of GE 6K6 6K6GT tubes was tested on our Maxi Matcher 2 with 325 volts on the plates and a bias of 36 volts for shorts, gas, plate current and transconductance. There were no shorts or gas. Tube One measured 1570 micromhos, 19. 6 milliamps' plate current. Tube Two measured 1650 20. 2. New nominal is within one standard deviation of 1900. These tubes have copper support rods; rectangular mica spacers; black and silver bottles and 2 04