12AY7 / 6072 tubes

This early 1950s GE is among the earliest 12AY7 tubes. It was made at the Owensboro, Kentucky plant shortly after GE bought it from Ken-Rad. It has black plates and a windmill getter. Tube tests as new with balanced sections.

This 1952 GE 12AY7 tube has a windmill getter and gray plates shaped like the early Ken-Rad 12AY7s. Tube tests as new with balanced sections.

This GE 12AY7 tube has gray plates and a halo getter. The white print on the glass has the GE logo and "12AY7" is etched in the glass with the dot pattern typical of GE tubes. Tube tests as new with very low noise.