6SN7GTB

Branded Relco

Base

Black

Bottle Height

Half

Bottle Shape

Skinny Bottle

Glass Color

Clear Glass

Mica

Double

Other Marks

Marked made in England, but suspected as Soviet

Permanentid

tzofgvre

Pin Color

Silver Pins

Plate Color

Matte Gray

Plate Look

T Plate

Tip Shape

Round Tip