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Here is a vintage RCA 5814WA tube
This is the 3 mica version
black plate -support rods
In the original box but this is a slightly used tube
and some of the printing is marginal as shown

I tested this at tube data sheet specs
250v plate
-8.5v bias
controlled filament voltage
NOS micromhos spec for that is
2200 /2200
This tested at
2331 /2162

also verified on my Hickok which tested it at
2200 /2275

I played this in V1 of one of my custom stereos and it sounded excellent
Contact me with any questions

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Listed9 years ago
ConditionExcellent (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
Brand
Model
  • 5814a (12au7)
Categories
Year
  • 1957
Made In
  • United States

Product safety information may be available here.

ToneTime

Palm Harbor, FL, United States
Joined Reverb:2016

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