Sylvania Made For Philco 12AU7A Long Gray Plate Perfectly Balanced Single NOS 12AU7 ECC82
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This is a perfectly balanced single Sylvania 12AU7A tube that was made in the USA by Sylvania for Philco. This tube was manufactured to rigorous industrial standards, which means it was screened for low noise and microphonics. Each of the plates tests identical to the other. This tube has long gray plates, yellow lettering, and a square top getter. These are highly sought after Sylvania 12AU7A 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:
3,000/3,000
| Listed | 2 years ago |
|---|---|
| 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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