Add to Cart Quick view Svetlana 811A Vacuum Tubes, Matched Pair NOS 9412 Date Code, Tested Full Output, in Original Boxes Svetlana MSRP: Now: $149.99 Was: Svetlana 811A Vacuum Tubes, Matched Pair (2) NOS 9412 Date Code, Tested Full Output, in Original Boxes These tubes were purchased new and were never used. I tested them in an Ameritron 811 Amplifier and they are full emission. These rugged... MSRP: Now: $149.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $149.99 Was: Subtotal: Add to Cart