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RCA 5751 / 12AX7 - black plates, triple mica, matched pair

RCA 5751 / 12AX7 - black plates, triple mica, matched pair
Price: $179.00
1 matched pair in stock
Item Number: 956
Manufacturer: RCA
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 and matching date codes (“5-30” = 1955, 30th week).
 
Both tubes test as new with low noise. They are matched for both transconductance (Gm) and current draw (mA). Tubes ship in their original boxes with test results for each triode section.
 
These tubes are sold as a matched pair. Photo is a sample pair from the lot. Singles, when available, are listed as Item 785.

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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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