Quad NOS NIB RCA 7581A (6L6 5881) Vacuum Tubes w/ Boxes - Hickok TV7 Tested

For sale is a rare quad of NOS NIB RCA 7581A vacuum tubes that come in their original boxes. 

Cosmetically, these tubes look exceptional. Please refer to the pictures for finer details.

They were tested on my calibrated Hickok TV-7 tube tester as a 6L6. They tested NOS and close to each other, where the minimum for a good tube is 25 (triode one / triode two).

RESULTS (triode one / triode two)

- 40.0 (tube one)

- 39.7 (tube two)

- 38.8 (tube three)

- 38.6 (tube four)

As these are vintage items, these tubes are being sold "as is." No returns are accepted.

If you have any questions, please send me a message and I'll do my best respond quickly.

The buyer pays for all shipping costs including packing, handling, shipping, and insurance. I know how to treat vintage electronics with the care and protection they need during transit. I pack everything I sell with extra protection so whatever you buy reaches you safely. 

I ship internationally but the international shipping quote on eBay is not accurate. If you want to know how much it will cost to ship to your country, please email me before purchasing. Thank you.