JAN 5814A 1967 Date Matched NOS Pair Sylvania Military 12AU7 Tubes Audio Preamp
USD 50.06 USD
Specifications
| Brand | SYLVANIA |
| Type | 12Au7 |
| Model | 12AU7 |
This is a matched pair of NOS 5814A Sylvania green label military spec 12AU7 tubes. This tube type is rated for a bogey reading of 3000 µ mhos. These tubes are testing just a touch under 2800 µ mhos on both lines each and they are VERY tightly matched within 20 µ mhos of each other on both lines making them an exceptionally tight match at less than one percent difference between the two tubes.
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