This GE 5 star tube tested NOS with a reading of 1325/1400 where minimum is 675/675 on a Hickok 752A.
The tube is a ruggedized and computer-rated 12AU7 with 3 mica spacers.
GE 5814A 12AU7 Vacuum Tube
- Product Code: GE 5814A 12AU7 Vacuum Tube
- Availability: 1
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$22.99 USD
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Tags: 5814A, 12AU7 Vacuum Tube