From my personal audio collection,

"Best sounding 805 tube."

The 805 VT-143 National Union tubes, "Large" Getter Made in USA

JAN-CNU-1940-1945 U.S.NAVY Grade  

Qty 1 Match Pair (2Pcs)

This pair of vacuum tubes was tested in my Ketch Audio MDI 3805A amp and sounded great, no noise at all.

"Large" Getter

Black Plate

Clear Glass, Metal Base

And please take a look my other

Thanks, 

Wayne 

Wayne's Audio