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.![](../pics/act0030a.jpg)
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.![](../pics/act0030b.jpg)
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, Data, 1040 & 1043. Type 6Q7G was first introduced in 1936. See also 1936 adverts. |