** If you find an electro well above its marked capacitance value - what do you conclude ??
... Phil
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5 years ago
This has me puzzled (resistor change)
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5 years ago
That the oxide layer has degraded, and might be about to fail?
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5 years ago
Back when I used to carry a big box of tubes (valves) for on site repair, I could spot any tube out of hundreds in seconds. After a long time using them, we don't "read" the tube number as much as just flat out recognize it - just like when reading words.
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5 years ago
** How do you check for this?
..... Phil