Amperex Bugle Boy EF86 / 6267 - mesh plate

This rare Genalex Z729 tube is an EF86 equivalent that was made in England in the 1950s. It has mesh plates and a D getter. The decal on the tube has the G.E.C. logo and reads "Made in England." Tube tests as new with low noise.

This 1958 Mullard EF86 / 6267 tube has mesh plates and a D getter. The white label has the early Mullard shield logo with BVA military insignia (partial). The Blackburn, UK factory code is etched in the glass. Tube tests as new.

This 1972 Telefunken EF86 tube has silver plates and a halo getter. The base has the diamond imprint in the glass. Tube tests as new with very low noise.