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Manufactured in the United States by General Electric, this 5814A is a medium-mu dual triode from a tube family developed for military and industrial applications. Closely related to the 12AU7, the 5814A was designed to withstand shock, vibration, and prolonged operation under cutoff conditions, reflecting the reliability requirements of mid-century electronic equipment.
All Archive tubes are thoroughly tested, inspected, photographed, and inventoried, guaranteeing the quality of each tube that's shipped to customers. All tubes carry an Apos 12-month warranty against manufacturing defects.
Because these are genuine New Old Stock tubes, small cosmetic irregularities may be present. These aren't defects but artifacts of vintage manufacturing and decades of storage. They have no impact on reliability or sonic performance.
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