This is a strong testing single RCA 50C5 tube that was made in the USA. This tube has plates that test identical to each other. This tube was manufactured to rigorous specifications and you can expect low noise and great performance. This tube has long black plates, faded or red or white lettering, and a top getter. These are highly sought after RCA 50C5 tubes, act quickly before they sell out!! More available upon request.
Be careful buying tubes from other sellers who list "matched pairs" but do not provide test results or specify the equipment that they use to test their tubes.
I personally hand tested these tubes on my recently calibrated Hickok 600a and TV7D/U tube testers.
The test results are as follows:
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| Listed | a year ago |
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| Condition | Excellent (Used) Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more |
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Product safety information may be available here.

