Two Sylvania 6SA7GT NOS NIB Audio Receiver Rectifier Vacuum Tubes 

Made in the USA

Round silver plates, shaded glass, two spacers and base getter flashes.

See the photos for more detail.

       Excellent strong balanced test results for Gm: 1.15 and 1.3 

       For Gm, .8 is the ~60% reject point

No shorts.

For reference we use a Triplett 3444A Tube Set.

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

Our standard shipping is US Postal 1^st class.

We combine shipping when applicable.