1959 Sylvania 12AU7 PLATINUM GRADE “D” Getter Preamp Tubes Matched Pair 100% NOS
Specifications
| Return Shipping Will Be Paid By | Buyer |
| All Returns Accepted | Returns Accepted |
| Item Must Be Returned Within | 30 Days |
| Refund Will Be Given As | Money Back |
| Country Of Manufacture | United States |
| Type | Vacuum Tube |
| Brand | Sylvania |
***** EVERYTHING WE SELL IS GUARANTEED 100% AUTHENTIC *****All tubes come with a full 30 day, unconditional, no questions asked, money back satisfaction guarantee!Test scores normally average between 85% and 95% of NOS values. These particular tubes measure between 100% and 110% of minimum NOS values !Individual test scores will be written on the boxes that you receive with your tubes. These tubes were carefully screened by the manufacturers (Baldwin, Conn, Hammond, Wurlitzer etc.) and specially selected for their low noise and microphonic characteristics.You are purchasing a "Platinum Grade" matched pair of tubes. This means that the plates are very tightly matched on a calibrated Hickok TV-7 or Hickok 799 within 5%. Please see our other listings for "Silver, Gold and Platinum Plus" tubes. Silver Grade tubes are matched within 15%, Gold Grade tubes within 10% and Platinum Plus Grade 1%. The Gold and Platinum Grade tubes are recommended for more critical applications such as your preamp and phono stage.The price listed is for one pair of tubes. To purchase more than one pair, when available, simply change the number in the quantity box which is located just above the advertised price. Please email with any questions and/or concerns.Thank you for viewing my listings.
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