Tested Pair of 6AD7 CBS NOS NIB Audio Receiver Vacuum Tubes 

Manufactured in the USA

Black plate, dual spacers, alignment tabs, grid radiator,  support rods,  rectangle wire getter frame and base getter flash

Please review the photos for more detail.

   Excellent strong NOS test results for Gm: 2.2 / .38 and 2.5 / .37

   For Gm, 1.3 / .21 is the suggested minimum value

   No shorts

   For reference we used a calibrated Triplett 3444A tester

Estimated delivery within the USA is from 3 to 7 business days.

Our standard service is US Postal Ground Advantage

We combine shipping when applicable.

Please contact us with any questions