Sylvania JAN 5814A triode tube aka industrial 12AU7A tests strong.
Item Tag: 5814A
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NOS GE 5814A 12AU7 Industral twin Triode vacuum tube tested Excellent Great Tube
The 5814A tube is a military-spec version of the 12AU7 double triode tube, known for its ruggedness and low noise. The 5814A has a 12AU7 equivalent with enhanced durability, separate cathode connections, and often features like triple micas or gray/black plates for increased structural support and reliability.
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5814A Westinghouse NOS radio audio amplifier vacuum tube valve made USA 12AU7A
Tube has grey ribbed plates, top O getter, tube tests: 86, 86 %.
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2 x 5814A (12AU7) RCA Tubes*Super Strong Matched*Black-O*MEATBALL*NOS_NIB* #R3
2 x 5814A (12AU7) RCA Tubes. Tested on Enhanced Triplet E3444 Laboratory Tester. NIB = boxes may be tattered. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable.
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Matching Quad Sylvania JAN 5814A Audio Tubes NOS NIB TV7 Tested Very Strong
See pictures for test values and condition.
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2 General Electric 5814A 12AU7 Black Plate Triple Mica TV7 Tested Strong Tubes
These tubes have been tested on a TV7 tube tester with all shorts tested. Part Number: 5814 (12AU7). Tested values.
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New NOS Qty 1 SYLVANIA JHS 5814A Grey Plates D Getter 1959 NOS Vintage Tube USA
Tube will be in the Original JHS SYLVANIA box as shown in the pictures. Passed all tests on our EICO 666 Tube Tester – Tests New – Very Strong.
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Sylvania Vintage Electronic Vacuum Tube Model JAN 5814A Used Made in USA
ITEM : Electron Tube JAN 5814A. MANUFACTURER : Sylvania.
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NOS NIB Matched Quad Amperex Sylvania 5814A Audio Tubes 1976
These are getting scarce and are a high end tube used by most of the professionals. Great for any high end a udio amplifier. These tubes are what audiophile enthusiasts are looking for. Th ese tubes were tested in my Military Hickok Cardmatic to make sure these were perfect.