The 6Y7G is a twin triode class B audio amplifier capable of generating up to eight Watts of output.
Thanks to Mark Mallison for sending the images.
The classic envelope is mm in diameter and, excluding the IO base pins, is mm tall.
Reference: Datasheet. Type 6Y7G was first introduced in 1937.
Absolute Maximum Operating Conditions¶
PDF scanned from an original document held by the museum
Updated March 04, 2020. shape:classic construction:pinch type:double.triode age:1930.1940 base:io heater:6.3v pins:8 pin:1.- pin:2.h pin:3.a(1) pin:4.g1(1) pin:5.g1(2) pin:6.a(2) pin:7.h pin:8.k