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5751 tubes

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GE 5751 / 12AX7 - black plates, triple mica
GE 5751 / 12AX7 - black plates, triple mica
Price: $69.00
GE 5751 / 12AX7 - black plates, triple mica
This 19545 military spec GE 5751 tube is a lower gain 12AX7 equivalent. It has black plates, triple micas, and a windmill getter. The white print on the glass has the GE logo and reads "JG-5751" (partial). Tube tests as new with balanced sections.
GE 5751 / 12AX7 - black plates, triple mica, matched pair
GE 5751 / 12AX7 - black plates, triple mica, matched pair
Price: $164.00
GE 5751 / 12AX7 - black plates, triple mica, matched pair
The 1954-56 military spec GE 5751 tubes in this precisely matched pair are lower gain 12AX7 tube types. They have black plates, triple micas, and extra support rods. The white label has the GE logo and reads "JG-5751." Both tubes test as new.
GE 5751 / 12AX7 - gray plates
GE 5751 / 12AX7 - gray plates
Price: $44.00
GE 5751 / 12AX7 - gray plates
This military spec GE 5751 tube has gray plates and a halo getter. The green label has the GE logo and reads "JAN-5751." The glass is etched with the part number and a triangle to indicate special quality. Tube tests as new with low noise.
GE 5751 / 12AX7 - gray plates, matched pair
GE 5751 / 12AX7 - gray plates, matched pair
Price: $94.00
GE 5751 / 12AX7 - gray plates, matched pair
The military spec GE 5751 tubes in this precisely matched pair have gray plates and halo getters. The green label has the GE logo and reads "JAN-5751." The glass is etched with a triangle to indicate special quality. Both tubes test as new with 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 1962 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 1959 RCA 5751 tube is a lower gain 12AX7 equivalent. It has black plates, a windmill getter, extra support rods, and triple micas. The red print on the glass has the RCA logo. Tube tests as new with balanced sections and low noise.
RCA 5751 / 12AX7 - black plates, triple mica, matched pair
RCA 5751 / 12AX7 - black plates, triple mica, matched pair
Price: $179.00
RCA 5751 / 12AX7 - black plates, triple mica, matched pair
The 1955 RCA 5751 tubes in this precisely matched pair are a lower gain 12AX7 tube type. They have black plates and triple micas. The white labels on the glass have the RCA logo. Both tubes test as new with balanced sections and low noise.
Sylvania JAN 5751 / 12AX7 - gray plates
Sylvania JAN 5751 / 12AX7 - gray plates, halo getter
Price: $44.00
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 JAN 5751 / 12AX7 - matched pair
Sylvania JAN 5751 / 12AX7 - matched pair
Price: $89.00
Sylvania JAN 5751 / 12AX7 - matched pair
The military spec Sylvania 5751 tubes in this precisely matched pair have gray plates with copper grid posts and halo or disc getters. The green or blue labels read "PhilipsECG JAN 5751." Tubes test as new with low noise.
Tung-Sol 5751 / 12AX7 - gray plates, halo getter
Tung-Sol 5751 / 12AX7 - long gray plates
Price: $64.00
Tung-Sol 5751 / 12AX7 - long gray plates
This 1962-64 military spec Tung-Sol 5751 tube is a lower gain 12AX7 equivalent. It has long gray plates and a halo getter. The white print on the glass has the Tung-Sol logo (partial) and reads "JTL-5751WA." Tube tests as new with balanced sections.
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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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