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5751 tubes
This 1960s GE 5751 tube is a lower gain 12AX7 equivalent. It has short gray plates and a halo getter. The white label has the GE logo and the glass is etched with a triangle to indicate special quality. Tube tests as new with low noise.
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This 1956 military spec GE 5751 tube is a lower gain 12AX7 equivalent. It has gray plates, triple micas, and a halo getter. The white print on the tube has the GE logo and reads "JG-5751." Tube tests as new with balanced sections.
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This 1960 GE 5751 tube is lower gain 12AX7 equivalent. It has gray plates and a triple mica. The white print on the glass has the GE logo with the broadcast quality five stars label (partial). Tube tests as new with very low noise.
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This 1960s RCA 5751 tube is a lower gain 12AX7 equivalent. It has black plates and a halo getter. The red print on the glass has the RCA logo (may be partial/missing). Tube tests as new with balanced sections and very low noise.
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This 1963 Sylvania 5751 is a military spec, lower gain 12AX7 equivalent. It has gray plates, triple micas, extra support rods, and a halo getter. The green print on the glass has the Sylvania logo. Tube tests as new with balanced sections and low noise.
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This military spec Sylvania 5751 tube is a lower gain equivalent for the 12AX7. It has gray plates with copper grid posts and a halo or disc getter. The green or blue print on the glass reads "Philips ECG JAN 5751." Tube tests as new with low noise.
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This 1961 mil spec Sylvania 5751 tube is a lower gain 12AX7 equivalent. It has black plates, triple micas, and a windmill getter. The gold print on the glass reads "JHS 5751WA." Tube tests as new with balanced section and low noise.
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.
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