This 1960s GE 5687WB is a military spec 5687 tube. It has black plates with copper grid posts and a halo getter. The white print has the GE logo with the broadcast quality 5-star label. Tube tests as new with balanced sections and low noise
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The 1950s GE 5687 tubes in this precisely matched pair have black plates and halo getters. The white print on the glass has the GE logo with the 5-star label. Both tubes test as new with low noise.
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This 1963 military spec Raytheon 5687 tube has a halo getter and black plates. The red print on the glass has the Raytheon logo and reads "JRP-5687WA." Tube tests as new with low noise.
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This 1973 RCA 5687 tube has a halo getter and black plates with the bronzing characteristic of tubes of this type. Tube tests as new with low noise.
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This 1960s Sylvania 5687WA is a military spec 5687 tube. It has black plates with copper grid posts and a halo getter. The green print on the glass has the Sylvania logo and reads "JHS 5687WA." Tube tests as new with low noise.
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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.
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This 1959 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 RCA logo (partial). Tube tests as new with low noise.
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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.
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This GE 7044 tube has gray plates with copper grid posts and a halo getter. The green print on the glass has the GE logo. Tube tests as new.
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The GE 7044 tubes in this precisely matched pair have halo getters and gray plates with copper grid posts. The green print on the glass has the GE logo. Both tubes test as new and are matched for both current draw (mA) and Gm.
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This 1977 Amperex 7119 preamp tube was made in Holland (ID6 series). It has gray plates and a halo getter. The red label on the glass has the Amperex logo and the Heerlen factory code is etched in the glass. Tube tests as new with balanced sections.
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This 1970 Amperex E182CC / 7119 has gray plates and a large halo getter (ID6 series). The orange print on the glass has the PQ label and the Heerlen, Holland factory code is etched in the glass. Tube tests as new with very low noise.
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