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RCA 5751 / 12AX7 - black plates, triple mica

RCA 5751 / 12AX7 - black plates, triple mica
Price: $82.00
1 in stock
Item Number: 785
Manufacturer: RCA
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. The white print on the glass has the RCA logo and reads "JRC-5751WA" (partial).

Tube tests as new with balanced sections and very low noise. It ships in a new white box with test results for current draw (mA) and transconductance (Gm).
 
This tube is sold individually. Photo is of a sample from the lot. Matched pairs, when available, are listed as Item 956.

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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.
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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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