The 6Q7G is a double diode triode and was designed for receiver audio use.The diodes would be for signal and AGC rectification and the triode would act as AGC amplifier or first audio amplifier.
The diodes are formed from vertical rods inserted into the lower screening box. The triode is at the top with the control grid taken to the top cap.
Side view with a slight bend in the centre.The classic envelope is 37 mm in diameter and, excluding the IO base pins, is 96 mm tall.References: Data-sheet, 1040 & 1043. Type 6Q7G was first introduced in 1936. See also 1936 adverts. |
