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RCA 5751 / 12AX7 - black plates, triple mica

RCA 5751 / 12AX7 - black plates, triple mica
Price: $82.00
2 in stock
Item Number: 785
Manufacturer: RCA
This late 1950s RCA 5751 tube is a lower gain 12AX7 equivalent. It has black plates, a windmill getter, extra support rods, and triple micas. The label is missing.

Tube tests as new with 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.
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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