Ge 6072 black plate. GL-6072 tube hand selected for IBM.

Ge 6072 black plate. 5/3. Angled "D" getter. 2 days ago · Outstanding date matched pair of GE JG-6072 "12ay7" black plate military spec preamp tubes. These are highly regarded by audiophiles and musicians for their tone and build integrity. 6ma) (AKG, Tele 251, Peluso, Rode) (similar sound to 5-Star GE) Jul 31, 2025 · General Electric 6072 GL-6072 5 Star 3 Mica Black Plate 12AY7 Vintage Preamp Vacuum Tube Excellent condition, 3 mica construction with support rods. 1/3. This is the rare early 1960s vintage GE black plate JG 6072A military vacuum tube. The printing is in very nice condition as seen in the photos. Wonderful date matched "April 1960" pair of made in the USA tubes. These were made for military use, and therefore were screened for mil spec with regards to impact and vibration resitance, as well as low noise and uniform output. 2jrglqr xloma i6dt10 ovss j0c yqjrsms mpia5 9jzq qfmoxoi vpmv