Vacuum tube type 6SN7GT
||Printed in white ink around the phenolic base.
||Written vertivally in silver ink on the glass envelope.
||Written in silver ink near the bottom of the glass envelope.
overall: 3 1/8 in x 1 1/8 in x 1 1/8 in
This is a medium-mu twin triode in a glass envelope with an eight-pin octal base. This is a spare tube for 306-307 Multiply Control Register S/N 1.
Gift of the Digital Equipment Corporation