NOS NIB SYLVANIA JAN 6189W / 12AU7 Preamp Tubes, Closely Matched, #2
USD 24.00 USD
Specifications
| Brand | SYLVANIA |
| Type | Preamp Tubes |
| Model | 12AU7 / 6189W |
| MPN | 6189W |
| Unit Quantity | 2 Tubes |
| Country Of Origin | United States |
Power tubes like the 6L6 are tested only with the 686 which includes plate current (Ip), shorts and gas tests. Want details?. Mil Spec JAN W Series. Vacuum Tube Testing. See photos for Gm results. Rp is 1150 and new/design is 1800.
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