Tung-Sol 5687 - halo getter, RCA label

This 1964 Tung-Sol 5687 tube has a large halo getter and black plates with the bronzing characteristic of tubes of this type. The white print on the glass has the Tung-Sol logo. Tube tests as new with balanced sections and low noise.

This 1960 military spec Tung-Sol 5687 tube has a halo getter and black plates with the bronzing characteristic of tubes of this type. The silver print has the Tung-Sol logo and reads "JTL-5687WA." Tube tests as new with balanced sections and low noise.