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5751 tubes

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GE 5751 / 12AX7 - gray plates
GE 5751 / 12AX7 - gray plates
Price: $49.00
GE 5751 / 12AX7 - gray plates
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.
GE JAN 5751 / 12AX7 - gray plates, triple mica, support rods
GE 5751 / 12AX7 - gray plates, triple mica
Price: $69.00
GE 5751 / 12AX7 - gray plates, triple mica
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.
GE 5-star 5751 / 12AX7 - gray plates, triple mica, support rods
GE 5-star 5751 / 12AX7 - gray plates, triple mica
Price: $69.00
GE 5-star 5751 / 12AX7 - gray plates, triple mica
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.
Raytheon 5751 / 12AX7 - black plates
Raytheon 5751 / 12AX7 - black plates
Price: $94.00
Raytheon 5751 / 12AX7 - black plates
This rare 1963 mil spec Raytheon 5751 tube is a lower gain 12AX7 type tube. It has black plates and a distinctive dual post getter shaped like a plus sign. The red print has the Raytheon logo and reads "JAN-CRP-5751." Tube tests as new with very low noise
RCA 5751 / 12AX7 - black plates, halo getter
RCA 5751 / 12AX7 - black plates, halo getter
Price: $59.00
RCA 5751 / 12AX7 - black plates, halo getter
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.
RCA 5751 / 12AX7 - black plates, triple mica
RCA 5751 / 12AX7 - black plates, triple mica
Price: $82.00
RCA 5751 / 12AX7 - black plates, triple mica
This late 1950s mil spec RCA 5751 tube is a lower gain 12AX7 equivalent. It has black plates, a windmill getter, extra support rods, and triple micas. Tube tests as new with balanced sections and very low noise.
Sylvania 5751 / 12AX7 - black plates, triple mica, matched pair
Sylvania 5751 / 12AX7 - black plates, triple mica, matched pair
Price: $169.00
Sylvania 5751 / 12AX7 - black plates, triple mica, matched pair
The 1960s mil spec Sylvania 5751 tubes in this precisely matched pair are lower gain 12AX7 tube types. They have black plates and triple micas. The white label on the glass reads "JHS 5751" (partial/missing). Both tubes test as new with very low noise.
Sylvania JAN 5751 / 12AX7 - gray plates
Sylvania JAN 5751 / 12AX7 - gray plates, halo getter
Price: $49.00
Sylvania JAN 5751 / 12AX7 - gray plates, halo getter
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.
Sylvania 5751 / 12AX7 - black plates, triple mica
Sylvania JHS-5751WA - black plates, triple mica
Price: $84.00
Sylvania JHS-5751WA - black plates, triple mica
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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