Vacuum Tube - 5814A, Triode, Dual, Medium MU
New-Old-Stock (NOS) tube.
The 5814A is a medium-mu twin triode 9-pin miniature type, intended for applications where dependable performance under shock and vibration is paramount. The 5814A is a "premium" version of the 12AU7.
Note: brands may vary. Photo is for reference only and may not exactly represent final product received.
Packaging Dimensions | 1 in. × 1 in. × 3 in. | ||
Weight (Packaging) | 0.0287 lbs. |
NOS Tube Specification Sheet | All Models |
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Product Reviews
Purchased a lot of 10 tubes. 8 were Phillips, 1 was RCA and the last was GE. They all tested about 1100 um's All the Phillips were very "quiet". The RCA was the best. The one GE was so microphonic it was not good in any audio application. I was able to use it as a control tube in a High voltage DC regulator circuit so.... not all was lost. Overall markings and pin quality was very good. Would recommend these as an acceptable buy for most all audio applications.