12AY7 / 6072 types

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. Click "more info" for current availability.

This 1950s GE 12AY7 tube has a windmill getter and gray plates shaped like the early Ken-Rad 12AY7s. The tubes in this lot also have a yellow stamp indicating they were selected for Lear Electronics. Click "more info" for current availability.

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 balanced sections and very low noise.

This 1968 Sylvania 6072A is a military spec 12AY7 type tube. It has long gray plates and a halo getter. The green print on the glass has the Sylvania logo. Tube tests as new with balanced sections and low noise.

The 1968 Sylvania 6072A tubes in this precisely matched pair are military spec 12AY7 type tubes. They have long gray plates and halo getters. Both tubes test as new with balanced sections. They are discounted for being slightly microphonic.